R version 4.2.3 (2023-03-15 ucrt) -- "Shortstop Beagle"
Copyright (C) 2023 The R Foundation for Statistical Computing
Platform: x86_64-w64-mingw32/x64 (64-bit)

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> help.start()
starting httpd help server ... done
If nothing happens, you should open
‘http://127.0.0.1:24922/doc/html/index.html’ yourself
> help.search(plot)
Error in help.search(plot) : 
  argument ‘pattern’ must be a single character string
> help.search("plot")
> ?plot
> 2+3
[1] 5
> a <- 2+3
> a
[1] 5
> 2^3 -> b
> b
[1] 8
> c <- b
> b <- 6
> b
[1] 6
> c
[1] 8
> 3.14 -> d
> d
[1] 3.14
> Inf
[1] Inf
> NaN
[1] NaN
> 5/0
[1] Inf
> Inf-Inf
[1] NaN
> 2+3i
[1] 2+3i
> "ABC"
[1] "ABC"
> TRUE
[1] TRUE
> T
[1] TRUE
> FALSE
[1] FALSE
> F
[1] FALSE
> t
function (x) 
UseMethod("t")
<bytecode: 0x000001a92ebc0858>
<environment: namespace:base>
> TRUE & FALSE
[1] FALSE
> TRUE | FALSE
[1] TRUE
> all(T,T,F)
[1] FALSE
> any(T,T,F)
[1] TRUE
> a == b
[1] FALSE
> a > 2
[1] TRUE
> a >= 2
[1] TRUE
> a
[1] 5
> a %% 2
[1] 1
> a %/% 2
[1] 2
> a
[1] 5
> mode(a)
[1] "numeric"
> s <- "abc"
> mode(s)
[1] "character"
> L <- T
> mode(L)
[1] "logical"
> NAĹą
Error: object 'NAĹą' not found
> NA
[1] NA
> NULL
NULL
> is.numeric(a)
[1] TRUE
> is.numeric(s)
[1] FALSE
> as.numeric("123")
[1] 123
> as.character(3.14)
[1] "3.14"
> f <- c(3,0,-2.5)
> f
[1]  3.0  0.0 -2.5
> g <- c(2, "abc")
> g
[1] "2"   "abc"
> 1:5
[1] 1 2 3 4 5
> 5:1
[1] 5 4 3 2 1
> seq(1,5)
[1] 1 2 3 4 5
> seq(1,5,2)
[1] 1 3 5
> seq(1,5,length=10)
 [1] 1.000000 1.444444 1.888889 2.333333 2.777778
 [6] 3.222222 3.666667 4.111111 4.555556 5.000000
> seq(1,by=2,length=10)
 [1]  1  3  5  7  9 11 13 15 17 19
> seq(by=2,length=10,to=4)
 [1] -14 -12 -10  -8  -6  -4  -2   0   2   4
> ?seq
> ?distributions
> rnorm(10)
 [1]  1.0450519  1.1096217  1.6411432 -1.1841482
 [5]  0.9457732 -1.1974559  2.7096923  2.3471129
 [9]  0.1451879  0.9871264
> v <- 2:4
> w <- c(3,0,-2)
> v; w
[1] 2 3 4
[1]  3  0 -2
> v + w
[1] 5 3 2
> 2 * v
[1] 4 6 8
> v * w
[1]  6  0 -8
> v ^w
[1] 8.0000 1.0000 0.0625
> x <- c(2,-2)
> v
[1] 2 3 4
> x + v
[1] 4 1 6
Warning message:
In x + v : longer object length is not a multiple of shorter object length
> y <- 1:6
> y + x
[1] 3 0 5 2 7 4
> y
[1] 1 2 3 4 5 6
> x
[1]  2 -2
> x[1]
[1] 2
> x[0]
numeric(0)
> y[-1]
[1] 2 3 4 5 6
> y
[1] 1 2 3 4 5 6
> y[8]
[1] NA
> y[c(1,3,4)]
[1] 1 3 4
> y
[1] 1 2 3 4 5 6
> y[c(1,3,4]
Error: unexpected ']' in "y[c(1,3,4]"
> 
> y[2:4]
[1] 2 3 4
> y[-2:4]
Error in y[-2:4] : only 0's may be mixed with negative subscripts
> y[-(2:4)]
[1] 1 5 6
> 2:4*2
[1] 4 6 8
> y[c(1,3,1,3)]
[1] 1 3 1 3
> y[c(1,3,1,3,1,3,1,3,1,3)]
 [1] 1 3 1 3 1 3 1 3 1 3
> x
[1]  2 -2
> y
[1] 1 2 3 4 5 6
> L <- c(T,T,F,F,F,T)
> y[L]
[1] 1 2 6
> y[c(T,F)]
[1] 1 3 5
> y > 2
[1] FALSE FALSE  TRUE  TRUE  TRUE  TRUE
> y[y>2]
[1] 3 4 5 6
> y[(y>2)&(y %% 2 == 1)]
[1] 3 5
> A <- y
> A
[1] 1 2 3 4 5 6
> dim(A)
NULL
> dim(A) <- c(2,3)
> A
     [,1] [,2] [,3]
[1,]    1    3    5
[2,]    2    4    6
> B <- matrix(-3:2,2,3)
> B
     [,1] [,2] [,3]
[1,]   -3   -1    1
[2,]   -2    0    2
> C <- matrix(-3:2,2,3,byrow=TRUE)
> C
     [,1] [,2] [,3]
[1,]   -3   -2   -1
[2,]    0    1    2
> C[1,2]
[1] -2
> C[1,]
[1] -3 -2 -1
> C[,2]
[1] -2  1
> C[1,1:2]
[1] -3 -2
> C[-1,-2]
[1] 0 2
> C[2]
[1] 0
> C
     [,1] [,2] [,3]
[1,]   -3   -2   -1
[2,]    0    1    2
> C[6]
[1] 2
> C[2,]
[1] 0 1 2
> D <- matrix(1:4,2,2)
> D
     [,1] [,2]
[1,]    1    3
[2,]    2    4
> t(A)
     [,1] [,2]
[1,]    1    2
[2,]    3    4
[3,]    5    6
> A
     [,1] [,2] [,3]
[1,]    1    3    5
[2,]    2    4    6
> t(A) %*% D
     [,1] [,2]
[1,]    5   11
[2,]   11   25
[3,]   17   39
> v
[1] 2 3 4
> A %*% v
     [,1]
[1,]   31
[2,]   40
> v %*% t(A)
     [,1] [,2]
[1,]   31   40
> w
[1]  3  0 -2
> v %*% w
     [,1]
[1,]   -2
> crossprod(v,w)
     [,1]
[1,]   -2
> outer(v,w)
     [,1] [,2] [,3]
[1,]    6    0   -4
[2,]    9    0   -6
[3,]   12    0   -8
> det(D)
[1] -2
> x
[1]  2 -2
> solve(D,x)
[1] -7  3
> solve(D)
     [,1] [,2]
[1,]   -2  1.5
[2,]    1 -0.5
> solve(D) %*% D
     [,1] [,2]
[1,]    1    0
[2,]    0    1
> F <- matrix(c(1,2,1,2),2,2)
> F
     [,1] [,2]
[1,]    1    1
[2,]    2    2
> det(F)
[1] 0
> solve(F)
Error in solve.default(F) : 
  Lapack routine dgesv: system is exactly singular: U[2,2] = 0
> A
     [,1] [,2] [,3]
[1,]    1    3    5
[2,]    2    4    6
> lista <- list("abc", 23, TRUE)
> lista
[[1]]
[1] "abc"

[[2]]
[1] 23

[[3]]
[1] TRUE

> lista[4] <- x
Warning message:
In lista[4] <- x :
  number of items to replace is not a multiple of replacement length
> lista[[4]] <- x
> lista
[[1]]
[1] "abc"

[[2]]
[1] 23

[[3]]
[1] TRUE

[[4]]
[1]  2 -2

> names(lista)
NULL
> names(lista) <- c(str,num,logical,vekt)
Error: object 'num' not found
> names(lista) <- c("str","num","logical","vekt")
> lista
$str
[1] "abc"

$num
[1] 23

$logical
[1] TRUE

$vekt
[1]  2 -2

> names(lista)[3] <- NA
> lista
$str
[1] "abc"

$num
[1] 23

$<NA>
[1] TRUE

$vekt
[1]  2 -2

> names(lista)[3] <- NULL
Error in names(lista)[3] <- NULL : replacement has length zero
> lista
$str
[1] "abc"

$num
[1] 23

$<NA>
[1] TRUE

$vekt
[1]  2 -2

> lista[2]
$num
[1] 23

> lista[[2]]
[1] 23
> lista$num
[1] 23
> lista$vekt[2]
[1] -2
> lista$vekt
[1]  2 -2
> lista[4]
$vekt
[1]  2 -2

> lista[4][2]
$<NA>
NULL

> lista[[4]][2]
[1] -2
> data()
> iris
    Sepal.Length Sepal.Width Petal.Length
1            5.1         3.5          1.4
2            4.9         3.0          1.4
3            4.7         3.2          1.3
4            4.6         3.1          1.5
5            5.0         3.6          1.4
6            5.4         3.9          1.7
7            4.6         3.4          1.4
8            5.0         3.4          1.5
9            4.4         2.9          1.4
10           4.9         3.1          1.5
11           5.4         3.7          1.5
12           4.8         3.4          1.6
13           4.8         3.0          1.4
14           4.3         3.0          1.1
15           5.8         4.0          1.2
16           5.7         4.4          1.5
17           5.4         3.9          1.3
18           5.1         3.5          1.4
19           5.7         3.8          1.7
20           5.1         3.8          1.5
21           5.4         3.4          1.7
22           5.1         3.7          1.5
23           4.6         3.6          1.0
24           5.1         3.3          1.7
25           4.8         3.4          1.9
26           5.0         3.0          1.6
27           5.0         3.4          1.6
28           5.2         3.5          1.5
29           5.2         3.4          1.4
30           4.7         3.2          1.6
31           4.8         3.1          1.6
32           5.4         3.4          1.5
33           5.2         4.1          1.5
34           5.5         4.2          1.4
35           4.9         3.1          1.5
36           5.0         3.2          1.2
37           5.5         3.5          1.3
38           4.9         3.6          1.4
39           4.4         3.0          1.3
40           5.1         3.4          1.5
41           5.0         3.5          1.3
42           4.5         2.3          1.3
43           4.4         3.2          1.3
44           5.0         3.5          1.6
45           5.1         3.8          1.9
46           4.8         3.0          1.4
47           5.1         3.8          1.6
48           4.6         3.2          1.4
49           5.3         3.7          1.5
50           5.0         3.3          1.4
51           7.0         3.2          4.7
52           6.4         3.2          4.5
53           6.9         3.1          4.9
54           5.5         2.3          4.0
55           6.5         2.8          4.6
56           5.7         2.8          4.5
57           6.3         3.3          4.7
58           4.9         2.4          3.3
59           6.6         2.9          4.6
60           5.2         2.7          3.9
61           5.0         2.0          3.5
62           5.9         3.0          4.2
63           6.0         2.2          4.0
64           6.1         2.9          4.7
65           5.6         2.9          3.6
66           6.7         3.1          4.4
67           5.6         3.0          4.5
68           5.8         2.7          4.1
69           6.2         2.2          4.5
70           5.6         2.5          3.9
71           5.9         3.2          4.8
72           6.1         2.8          4.0
73           6.3         2.5          4.9
74           6.1         2.8          4.7
75           6.4         2.9          4.3
76           6.6         3.0          4.4
77           6.8         2.8          4.8
78           6.7         3.0          5.0
79           6.0         2.9          4.5
80           5.7         2.6          3.5
81           5.5         2.4          3.8
82           5.5         2.4          3.7
83           5.8         2.7          3.9
84           6.0         2.7          5.1
85           5.4         3.0          4.5
86           6.0         3.4          4.5
87           6.7         3.1          4.7
88           6.3         2.3          4.4
89           5.6         3.0          4.1
90           5.5         2.5          4.0
91           5.5         2.6          4.4
92           6.1         3.0          4.6
93           5.8         2.6          4.0
94           5.0         2.3          3.3
95           5.6         2.7          4.2
96           5.7         3.0          4.2
97           5.7         2.9          4.2
98           6.2         2.9          4.3
99           5.1         2.5          3.0
100          5.7         2.8          4.1
101          6.3         3.3          6.0
102          5.8         2.7          5.1
103          7.1         3.0          5.9
104          6.3         2.9          5.6
105          6.5         3.0          5.8
106          7.6         3.0          6.6
107          4.9         2.5          4.5
108          7.3         2.9          6.3
109          6.7         2.5          5.8
110          7.2         3.6          6.1
111          6.5         3.2          5.1
112          6.4         2.7          5.3
113          6.8         3.0          5.5
114          5.7         2.5          5.0
115          5.8         2.8          5.1
116          6.4         3.2          5.3
117          6.5         3.0          5.5
118          7.7         3.8          6.7
119          7.7         2.6          6.9
120          6.0         2.2          5.0
121          6.9         3.2          5.7
122          5.6         2.8          4.9
123          7.7         2.8          6.7
124          6.3         2.7          4.9
125          6.7         3.3          5.7
126          7.2         3.2          6.0
127          6.2         2.8          4.8
128          6.1         3.0          4.9
129          6.4         2.8          5.6
130          7.2         3.0          5.8
131          7.4         2.8          6.1
132          7.9         3.8          6.4
133          6.4         2.8          5.6
134          6.3         2.8          5.1
135          6.1         2.6          5.6
136          7.7         3.0          6.1
137          6.3         3.4          5.6
138          6.4         3.1          5.5
139          6.0         3.0          4.8
140          6.9         3.1          5.4
141          6.7         3.1          5.6
142          6.9         3.1          5.1
143          5.8         2.7          5.1
144          6.8         3.2          5.9
145          6.7         3.3          5.7
146          6.7         3.0          5.2
147          6.3         2.5          5.0
148          6.5         3.0          5.2
149          6.2         3.4          5.4
150          5.9         3.0          5.1
    Petal.Width    Species
1           0.2     setosa
2           0.2     setosa
3           0.2     setosa
4           0.2     setosa
5           0.2     setosa
6           0.4     setosa
7           0.3     setosa
8           0.2     setosa
9           0.2     setosa
10          0.1     setosa
11          0.2     setosa
12          0.2     setosa
13          0.1     setosa
14          0.1     setosa
15          0.2     setosa
16          0.4     setosa
17          0.4     setosa
18          0.3     setosa
19          0.3     setosa
20          0.3     setosa
21          0.2     setosa
22          0.4     setosa
23          0.2     setosa
24          0.5     setosa
25          0.2     setosa
26          0.2     setosa
27          0.4     setosa
28          0.2     setosa
29          0.2     setosa
30          0.2     setosa
31          0.2     setosa
32          0.4     setosa
33          0.1     setosa
34          0.2     setosa
35          0.2     setosa
36          0.2     setosa
37          0.2     setosa
38          0.1     setosa
39          0.2     setosa
40          0.2     setosa
41          0.3     setosa
42          0.3     setosa
43          0.2     setosa
44          0.6     setosa
45          0.4     setosa
46          0.3     setosa
47          0.2     setosa
48          0.2     setosa
49          0.2     setosa
50          0.2     setosa
51          1.4 versicolor
52          1.5 versicolor
53          1.5 versicolor
54          1.3 versicolor
55          1.5 versicolor
56          1.3 versicolor
57          1.6 versicolor
58          1.0 versicolor
59          1.3 versicolor
60          1.4 versicolor
61          1.0 versicolor
62          1.5 versicolor
63          1.0 versicolor
64          1.4 versicolor
65          1.3 versicolor
66          1.4 versicolor
67          1.5 versicolor
68          1.0 versicolor
69          1.5 versicolor
70          1.1 versicolor
71          1.8 versicolor
72          1.3 versicolor
73          1.5 versicolor
74          1.2 versicolor
75          1.3 versicolor
76          1.4 versicolor
77          1.4 versicolor
78          1.7 versicolor
79          1.5 versicolor
80          1.0 versicolor
81          1.1 versicolor
82          1.0 versicolor
83          1.2 versicolor
84          1.6 versicolor
85          1.5 versicolor
86          1.6 versicolor
87          1.5 versicolor
88          1.3 versicolor
89          1.3 versicolor
90          1.3 versicolor
91          1.2 versicolor
92          1.4 versicolor
93          1.2 versicolor
94          1.0 versicolor
95          1.3 versicolor
96          1.2 versicolor
97          1.3 versicolor
98          1.3 versicolor
99          1.1 versicolor
100         1.3 versicolor
101         2.5  virginica
102         1.9  virginica
103         2.1  virginica
104         1.8  virginica
105         2.2  virginica
106         2.1  virginica
107         1.7  virginica
108         1.8  virginica
109         1.8  virginica
110         2.5  virginica
111         2.0  virginica
112         1.9  virginica
113         2.1  virginica
114         2.0  virginica
115         2.4  virginica
116         2.3  virginica
117         1.8  virginica
118         2.2  virginica
119         2.3  virginica
120         1.5  virginica
121         2.3  virginica
122         2.0  virginica
123         2.0  virginica
124         1.8  virginica
125         2.1  virginica
126         1.8  virginica
127         1.8  virginica
128         1.8  virginica
129         2.1  virginica
130         1.6  virginica
131         1.9  virginica
132         2.0  virginica
133         2.2  virginica
134         1.5  virginica
135         1.4  virginica
136         2.3  virginica
137         2.4  virginica
138         1.8  virginica
139         1.8  virginica
140         2.1  virginica
141         2.4  virginica
142         2.3  virginica
143         1.9  virginica
144         2.3  virginica
145         2.5  virginica
146         2.3  virginica
147         1.9  virginica
148         2.0  virginica
149         2.3  virginica
150         1.8  virginica
> ?iris
> head(iris)
  Sepal.Length Sepal.Width Petal.Length Petal.Width
1          5.1         3.5          1.4         0.2
2          4.9         3.0          1.4         0.2
3          4.7         3.2          1.3         0.2
4          4.6         3.1          1.5         0.2
5          5.0         3.6          1.4         0.2
6          5.4         3.9          1.7         0.4
  Species
1  setosa
2  setosa
3  setosa
4  setosa
5  setosa
6  setosa
> edit(iris)
    Sepal.Length Sepal.Width Petal.Length Petal.Width
1            5.1         3.5          1.4         0.2
2            4.9         3.0          1.4         0.2
3            4.7         3.2          1.3         0.2
4            4.6         3.1          1.5         0.2
5            5.0         3.6          1.4         0.2
6            5.4         3.9          1.7         0.4
7            4.6         3.4          1.4         0.3
8            5.0         3.4          1.5         0.2
9            4.4         2.9          1.4         0.2
10           4.9         3.1          1.5         0.1
11           5.4         3.7          1.5         0.2
12           4.8         3.4          1.6         0.2
13           4.8         3.0          1.4         0.1
14           4.3         3.0          1.1         0.1
15           5.8         4.0          1.2         0.2
16           5.7         4.4          1.5         0.4
17           5.4         3.9          1.3         0.4
18           5.1         3.5          1.4         0.3
19           5.7         3.8          1.7         0.3
20           5.1         3.8          1.5         0.3
21           5.4         3.4          1.7         0.2
22           5.1         3.7          1.5         0.4
23           4.6         3.6          1.0         0.2
24           5.1         3.3          1.7         0.5
25           4.8         3.4          1.9         0.2
26           5.0         3.0          1.6         0.2
27           5.0         3.4          1.6         0.4
28           5.2         3.5          1.5         0.2
29           5.2         3.4          1.4         0.2
30           4.7         3.2          1.6         0.2
31           4.8         3.1          1.6         0.2
32           5.4         3.4          1.5         0.4
33           5.2         4.1          1.5         0.1
34           5.5         4.2          1.4         0.2
35           4.9         3.1          1.5         0.2
36           5.0         3.2          1.2         0.2
37           5.5         3.5          1.3         0.2
38           4.9         3.6          1.4         0.1
39           4.4         3.0          1.3         0.2
40           5.1         3.4          1.5         0.2
41           5.0         3.5          1.3         0.3
42           4.5         2.3          1.3         0.3
43           4.4         3.2          1.3         0.2
44           5.0         3.5          1.6         0.6
45           5.1         3.8          1.9         0.4
46           4.8         3.0          1.4         0.3
47           5.1         3.8          1.6         0.2
48           4.6         3.2          1.4         0.2
49           5.3         3.7          1.5         0.2
50           5.0         3.3          1.4         0.2
51           7.0         3.2          4.7         1.4
52           6.4         3.2          4.5         1.5
53           6.9         3.1          4.9         1.5
54           5.5         2.3          4.0         1.3
55           6.5         2.8          4.6         1.5
56           5.7         2.8          4.5         1.3
57           6.3         3.3          4.7         1.6
58           4.9         2.4          3.3         1.0
59           6.6         2.9          4.6         1.3
60           5.2         2.7          3.9         1.4
61           5.0         2.0          3.5         1.0
62           5.9         3.0          4.2         1.5
63           6.0         2.2          4.0         1.0
64           6.1         2.9          4.7         1.4
65           5.6         2.9          3.6         1.3
66           6.7         3.1          4.4         1.4
67           5.6         3.0          4.5         1.5
68           5.8         2.7          4.1         1.0
69           6.2         2.2          4.5         1.5
70           5.6         2.5          3.9         1.1
71           5.9         3.2          4.8         1.8
72           6.1         2.8          4.0         1.3
73           6.3         2.5          4.9         1.5
74           6.1         2.8          4.7         1.2
75           6.4         2.9          4.3         1.3
76           6.6         3.0          4.4         1.4
77           6.8         2.8          4.8         1.4
78           6.7         3.0          5.0         1.7
79           6.0         2.9          4.5         1.5
80           5.7         2.6          3.5         1.0
81           5.5         2.4          3.8         1.1
82           5.5         2.4          3.7         1.0
83           5.8         2.7          3.9         1.2
84           6.0         2.7          5.1         1.6
85           5.4         3.0          4.5         1.5
86           6.0         3.4          4.5         1.6
87           6.7         3.1          4.7         1.5
88           6.3         2.3          4.4         1.3
89           5.6         3.0          4.1         1.3
90           5.5         2.5          4.0         1.3
91           5.5         2.6          4.4         1.2
92           6.1         3.0          4.6         1.4
93           5.8         2.6          4.0         1.2
94           5.0         2.3          3.3         1.0
95           5.6         2.7          4.2         1.3
96           5.7         3.0          4.2         1.2
97           5.7         2.9          4.2         1.3
98           6.2         2.9          4.3         1.3
99           5.1         2.5          3.0         1.1
100          5.7         2.8          4.1         1.3
101          6.3         3.3          6.0         2.5
102          5.8         2.7          5.1         1.9
103          7.1         3.0          5.9         2.1
104          6.3         2.9          5.6         1.8
105          6.5         3.0          5.8         2.2
106          7.6         3.0          6.6         2.1
107          4.9         2.5          4.5         1.7
108          7.3         2.9          6.3         1.8
109          6.7         2.5          5.8         1.8
110          7.2         3.6          6.1         2.5
111          6.5         3.2          5.1         2.0
112          6.4         2.7          5.3         1.9
113          6.8         3.0          5.5         2.1
114          5.7         2.5          5.0         2.0
115          5.8         2.8          5.1         2.4
116          6.4         3.2          5.3         2.3
117          6.5         3.0          5.5         1.8
118          7.7         3.8          6.7         2.2
119          7.7         2.6          6.9         2.3
120          6.0         2.2          5.0         1.5
121          6.9         3.2          5.7         2.3
122          5.6         2.8          4.9         2.0
123          7.7         2.8          6.7         2.0
124          6.3         2.7          4.9         1.8
125          6.7         3.3          5.7         2.1
126          7.2         3.2          6.0         1.8
127          6.2         2.8          4.8         1.8
128          6.1         3.0          4.9         1.8
129          6.4         2.8          5.6         2.1
130          7.2         3.0          5.8         1.6
131          7.4         2.8          6.1         1.9
132          7.9         3.8          6.4         2.0
133          6.4         2.8          5.6         2.2
134          6.3         2.8          5.1         1.5
135          6.1         2.6          5.6         1.4
136          7.7         3.0          6.1         2.3
137          6.3         3.4          5.6         2.4
138          6.4         3.1          5.5         1.8
139          6.0         3.0          4.8         1.8
140          6.9         3.1          5.4         2.1
141          6.7         3.1          5.6         2.4
142          6.9         3.1          5.1         2.3
143          5.8         2.7          5.1         1.9
144          6.8         3.2          5.9         2.3
145          6.7         3.3          5.7         2.5
146          6.7         3.0          5.2         2.3
147          6.3         2.5          5.0         1.9
148          6.5         3.0          5.2         2.0
149          6.2         3.4          5.4         2.3
150          5.9         3.0          5.1         1.8
       Species
1       setosa
2       setosa
3       setosa
4       setosa
5       setosa
6       setosa
7       setosa
8       setosa
9       setosa
10      setosa
11      setosa
12      setosa
13      setosa
14      setosa
15      setosa
16      setosa
17      setosa
18      setosa
19      setosa
20      setosa
21      setosa
22      setosa
23      setosa
24      setosa
25      setosa
26      setosa
27      setosa
28      setosa
29      setosa
30      setosa
31      setosa
32      setosa
33      setosa
34      setosa
35      setosa
36      setosa
37      setosa
38      setosa
39      setosa
40      setosa
41      setosa
42      setosa
43      setosa
44      setosa
45      setosa
46      setosa
47      setosa
48      setosa
49      setosa
50      setosa
51  versicolor
52  versicolor
53  versicolor
54  versicolor
55  versicolor
56  versicolor
57  versicolor
58  versicolor
59  versicolor
60  versicolor
61  versicolor
62  versicolor
63  versicolor
64  versicolor
65  versicolor
66  versicolor
67  versicolor
68  versicolor
69  versicolor
70  versicolor
71  versicolor
72  versicolor
73  versicolor
74  versicolor
75  versicolor
76  versicolor
77  versicolor
78  versicolor
79  versicolor
80  versicolor
81  versicolor
82  versicolor
83  versicolor
84  versicolor
85  versicolor
86  versicolor
87  versicolor
88  versicolor
89  versicolor
90  versicolor
91  versicolor
92  versicolor
93  versicolor
94  versicolor
95  versicolor
96  versicolor
97  versicolor
98  versicolor
99  versicolor
100 versicolor
101  virginica
102  virginica
103  virginica
104  virginica
105  virginica
106  virginica
107  virginica
108  virginica
109  virginica
110  virginica
111  virginica
112  virginica
113  virginica
114  virginica
115  virginica
116  virginica
117  virginica
118  virginica
119  virginica
120  virginica
121  virginica
122  virginica
123  virginica
124  virginica
125  virginica
126  virginica
127  virginica
128  virginica
129  virginica
130  virginica
131  virginica
132  virginica
133  virginica
134  virginica
135  virginica
136  virginica
137  virginica
138  virginica
139  virginica
140  virginica
141  virginica
142  virginica
143  virginica
144  virginica
145  virginica
146  virginica
147  virginica
148  virginica
149  virginica
150  virginica
> iris[2,3]
[1] 1.4
> iris[2]
    Sepal.Width
1           3.5
2           3.0
3           3.2
4           3.1
5           3.6
6           3.9
7           3.4
8           3.4
9           2.9
10          3.1
11          3.7
12          3.4
13          3.0
14          3.0
15          4.0
16          4.4
17          3.9
18          3.5
19          3.8
20          3.8
21          3.4
22          3.7
23          3.6
24          3.3
25          3.4
26          3.0
27          3.4
28          3.5
29          3.4
30          3.2
31          3.1
32          3.4
33          4.1
34          4.2
35          3.1
36          3.2
37          3.5
38          3.6
39          3.0
40          3.4
41          3.5
42          2.3
43          3.2
44          3.5
45          3.8
46          3.0
47          3.8
48          3.2
49          3.7
50          3.3
51          3.2
52          3.2
53          3.1
54          2.3
55          2.8
56          2.8
57          3.3
58          2.4
59          2.9
60          2.7
61          2.0
62          3.0
63          2.2
64          2.9
65          2.9
66          3.1
67          3.0
68          2.7
69          2.2
70          2.5
71          3.2
72          2.8
73          2.5
74          2.8
75          2.9
76          3.0
77          2.8
78          3.0
79          2.9
80          2.6
81          2.4
82          2.4
83          2.7
84          2.7
85          3.0
86          3.4
87          3.1
88          2.3
89          3.0
90          2.5
91          2.6
92          3.0
93          2.6
94          2.3
95          2.7
96          3.0
97          2.9
98          2.9
99          2.5
100         2.8
101         3.3
102         2.7
103         3.0
104         2.9
105         3.0
106         3.0
107         2.5
108         2.9
109         2.5
110         3.6
111         3.2
112         2.7
113         3.0
114         2.5
115         2.8
116         3.2
117         3.0
118         3.8
119         2.6
120         2.2
121         3.2
122         2.8
123         2.8
124         2.7
125         3.3
126         3.2
127         2.8
128         3.0
129         2.8
130         3.0
131         2.8
132         3.8
133         2.8
134         2.8
135         2.6
136         3.0
137         3.4
138         3.1
139         3.0
140         3.1
141         3.1
142         3.1
143         2.7
144         3.2
145         3.3
146         3.0
147         2.5
148         3.0
149         3.4
150         3.0
> iris[2,]
  Sepal.Length Sepal.Width Petal.Length Petal.Width Species
2          4.9           3          1.4         0.2  setosa
> iris$Species
  [1] setosa     setosa     setosa     setosa     setosa    
  [6] setosa     setosa     setosa     setosa     setosa    
 [11] setosa     setosa     setosa     setosa     setosa    
 [16] setosa     setosa     setosa     setosa     setosa    
 [21] setosa     setosa     setosa     setosa     setosa    
 [26] setosa     setosa     setosa     setosa     setosa    
 [31] setosa     setosa     setosa     setosa     setosa    
 [36] setosa     setosa     setosa     setosa     setosa    
 [41] setosa     setosa     setosa     setosa     setosa    
 [46] setosa     setosa     setosa     setosa     setosa    
 [51] versicolor versicolor versicolor versicolor versicolor
 [56] versicolor versicolor versicolor versicolor versicolor
 [61] versicolor versicolor versicolor versicolor versicolor
 [66] versicolor versicolor versicolor versicolor versicolor
 [71] versicolor versicolor versicolor versicolor versicolor
 [76] versicolor versicolor versicolor versicolor versicolor
 [81] versicolor versicolor versicolor versicolor versicolor
 [86] versicolor versicolor versicolor versicolor versicolor
 [91] versicolor versicolor versicolor versicolor versicolor
 [96] versicolor versicolor versicolor versicolor versicolor
[101] virginica  virginica  virginica  virginica  virginica 
[106] virginica  virginica  virginica  virginica  virginica 
[111] virginica  virginica  virginica  virginica  virginica 
[116] virginica  virginica  virginica  virginica  virginica 
[121] virginica  virginica  virginica  virginica  virginica 
[126] virginica  virginica  virginica  virginica  virginica 
[131] virginica  virginica  virginica  virginica  virginica 
[136] virginica  virginica  virginica  virginica  virginica 
[141] virginica  virginica  virginica  virginica  virginica 
[146] virginica  virginica  virginica  virginica  virginica 
Levels: setosa versicolor virginica
> mode(iris$Species)
[1] "numeric"
> class(iris$Species)
[1] "factor"
> names(iris)
[1] "Sepal.Length" "Sepal.Width"  "Petal.Length" "Petal.Width" 
[5] "Species"     
> row.names(iris)
  [1] "1"   "2"   "3"   "4"   "5"   "6"   "7"   "8"   "9"  
 [10] "10"  "11"  "12"  "13"  "14"  "15"  "16"  "17"  "18" 
 [19] "19"  "20"  "21"  "22"  "23"  "24"  "25"  "26"  "27" 
 [28] "28"  "29"  "30"  "31"  "32"  "33"  "34"  "35"  "36" 
 [37] "37"  "38"  "39"  "40"  "41"  "42"  "43"  "44"  "45" 
 [46] "46"  "47"  "48"  "49"  "50"  "51"  "52"  "53"  "54" 
 [55] "55"  "56"  "57"  "58"  "59"  "60"  "61"  "62"  "63" 
 [64] "64"  "65"  "66"  "67"  "68"  "69"  "70"  "71"  "72" 
 [73] "73"  "74"  "75"  "76"  "77"  "78"  "79"  "80"  "81" 
 [82] "82"  "83"  "84"  "85"  "86"  "87"  "88"  "89"  "90" 
 [91] "91"  "92"  "93"  "94"  "95"  "96"  "97"  "98"  "99" 
[100] "100" "101" "102" "103" "104" "105" "106" "107" "108"
[109] "109" "110" "111" "112" "113" "114" "115" "116" "117"
[118] "118" "119" "120" "121" "122" "123" "124" "125" "126"
[127] "127" "128" "129" "130" "131" "132" "133" "134" "135"
[136] "136" "137" "138" "139" "140" "141" "142" "143" "144"
[145] "145" "146" "147" "148" "149" "150"
> mode(iris$Sepal.Width)
[1] "numeric"
> iris[2:5,c(1,3,5)]
  Sepal.Length Petal.Length Species
2          4.9          1.4  setosa
3          4.7          1.3  setosa
4          4.6          1.5  setosa
5          5.0          1.4  setosa
> iris2 <- iris[5:10,]
> iris2
   Sepal.Length Sepal.Width Petal.Length Petal.Width Species
5           5.0         3.6          1.4         0.2  setosa
6           5.4         3.9          1.7         0.4  setosa
7           4.6         3.4          1.4         0.3  setosa
8           5.0         3.4          1.5         0.2  setosa
9           4.4         2.9          1.4         0.2  setosa
10          4.9         3.1          1.5         0.1  setosa
> iris2[2,]
  Sepal.Length Sepal.Width Petal.Length Petal.Width Species
6          5.4         3.9          1.7         0.4  setosa
> iris2["6",]
  Sepal.Length Sepal.Width Petal.Length Petal.Width Species
6          5.4         3.9          1.7         0.4  setosa
> x <- rnorm(10)
> y <- rnorm(10)
> runif[10]
Error in runif[10] : object of type 'closure' is not subsettable
> runif(10)
 [1] 0.6792710 0.7309148 0.5484440 0.8403378 0.8734246
 [6] 0.6797834 0.2015283 0.5208646 0.4451908 0.1930728
> round(1 + runif(10))
 [1] 2 1 2 2 1 1 2 2 2 2
> .Last.value
 [1] 2 1 2 2 1 1 2 2 2 2
> .Last.value -> halmaz
> pontok <- data.frame(xkoord = x, ykoord = y, halmaz = halmaz)
> pontok
       xkoord     ykoord halmaz
1   0.1829699  0.3702491      2
2   0.3649382 -0.7408059      1
3  -0.2073121 -0.6979016      2
4  -1.7441663 -0.4389299      2
5   1.3119190  1.7016581      1
6   0.9769963  1.6276354      1
7   0.6187861  0.6406041      2
8   0.2507825 -1.3344828      2
9   1.6436978 -0.9704997      2
10 -0.8417565 -0.3048665      2
> pontok[1]
       xkoord
1   0.1829699
2   0.3649382
3  -0.2073121
4  -1.7441663
5   1.3119190
6   0.9769963
7   0.6187861
8   0.2507825
9   1.6436978
10 -0.8417565
> pontok$xkoord
 [1]  0.1829699  0.3649382 -0.2073121 -1.7441663  1.3119190
 [6]  0.9769963  0.6187861  0.2507825  1.6436978 -0.8417565
> pontok$tav <- sqrt(pontok$xkoord^2+pontok$ykoord^2)
> pontok
       xkoord     ykoord halmaz       tav
1   0.1829699  0.3702491      2 0.4129920
2   0.3649382 -0.7408059      1 0.8258167
3  -0.2073121 -0.6979016      2 0.7280419
4  -1.7441663 -0.4389299      2 1.7985482
5   1.3119190  1.7016581      1 2.1486674
6   0.9769963  1.6276354      1 1.8983463
7   0.6187861  0.6406041      2 0.8906569
8   0.2507825 -1.3344828      2 1.3578425
9   1.6436978 -0.9704997      2 1.9088248
10 -0.8417565 -0.3048665      2 0.8952640
> class(pontok$halmaz)
[1] "numeric"
> pontok$halmaz <- factor(pontok$halmaz)
> class(pontok$halmaz)
[1] "factor"
> pontok$halmaz
 [1] 2 1 2 2 1 1 2 2 2 2
Levels: 1 2
> halmaz
 [1] 2 1 2 2 1 1 2 2 2 2
> class(halmaz)
[1] "numeric"
> plot(halmaz)
> plot(pontok$halmaz)
> mean(pontok$tav)
[1] 1.2865
> length(pontok$tav)
[1] 10
> sum(pontok$tav)
[1] 12.865
> tapply(pontok$tav,pontok$halmaz,mean)
       1        2 
1.624277 1.141739 
> ls()
 [1] "a"      "A"      "b"      "B"      "c"      "C"     
 [7] "d"      "D"      "f"      "F"      "g"      "halmaz"
[13] "iris2"  "L"      "lista"  "pontok" "s"      "v"     
[19] "w"      "x"      "y"     
> rm(A,B,g,f,F)
> ls()
 [1] "a"      "b"      "c"      "C"      "d"      "D"     
 [7] "halmaz" "iris2"  "L"      "lista"  "pontok" "s"     
[13] "v"      "w"      "x"      "y"     
> pontok$koord
NULL
> pontok$xkoord
 [1]  0.1829699  0.3649382 -0.2073121 -1.7441663  1.3119190
 [6]  0.9769963  0.6187861  0.2507825  1.6436978 -0.8417565
> attach(pontok)
The following object is masked _by_ .GlobalEnv:

    halmaz

> xkoord
 [1]  0.1829699  0.3649382 -0.2073121 -1.7441663  1.3119190
 [6]  0.9769963  0.6187861  0.2507825  1.6436978 -0.8417565
> plot(xkoord,ykoord)
> pontok
       xkoord     ykoord halmaz       tav
1   0.1829699  0.3702491      2 0.4129920
2   0.3649382 -0.7408059      1 0.8258167
3  -0.2073121 -0.6979016      2 0.7280419
4  -1.7441663 -0.4389299      2 1.7985482
5   1.3119190  1.7016581      1 2.1486674
6   0.9769963  1.6276354      1 1.8983463
7   0.6187861  0.6406041      2 0.8906569
8   0.2507825 -1.3344828      2 1.3578425
9   1.6436978 -0.9704997      2 1.9088248
10 -0.8417565 -0.3048665      2 0.8952640
> xkoord <- rnorm(10) + 2
> xkoord
 [1]  1.3251152  0.8270475 -0.4877544  3.9717239  1.3021074
 [6]  2.1701846  2.4353841  4.1954699  1.8175215  1.3981023
> pontok$xkoord
 [1]  0.1829699  0.3649382 -0.2073121 -1.7441663  1.3119190
 [6]  0.9769963  0.6187861  0.2507825  1.6436978 -0.8417565
> ls()
 [1] "a"      "b"      "c"      "C"      "d"      "D"     
 [7] "halmaz" "iris2"  "L"      "lista"  "pontok" "s"     
[13] "v"      "w"      "x"      "xkoord" "y"     
> ykoord
 [1]  0.3702491 -0.7408059 -0.6979016 -0.4389299  1.7016581
 [6]  1.6276354  0.6406041 -1.3344828 -0.9704997 -0.3048665
> detach(pontok)
> ykoord
Error: object 'ykoord' not found
> pontok$ykoord
 [1]  0.3702491 -0.7408059 -0.6979016 -0.4389299  1.7016581
 [6]  1.6276354  0.6406041 -1.3344828 -0.9704997 -0.3048665
> attach(pontok)
The following objects are masked _by_ .GlobalEnv:

    halmaz, xkoord

> xkoord
 [1]  1.3251152  0.8270475 -0.4877544  3.9717239  1.3021074
 [6]  2.1701846  2.4353841  4.1954699  1.8175215  1.3981023
> pontok$xkoord
 [1]  0.1829699  0.3649382 -0.2073121 -1.7441663  1.3119190
 [6]  0.9769963  0.6187861  0.2507825  1.6436978 -0.8417565
> detach(pontok)
> rm(xkoord,halmaz)
> attach(pontok)
> plot(xkoord,ykoord)
> plot(xkoord,ykoord,col="red")
> ?colors
> colors()
  [1] "white"                "aliceblue"           
  [3] "antiquewhite"         "antiquewhite1"       
  [5] "antiquewhite2"        "antiquewhite3"       
  [7] "antiquewhite4"        "aquamarine"          
  [9] "aquamarine1"          "aquamarine2"         
 [11] "aquamarine3"          "aquamarine4"         
 [13] "azure"                "azure1"              
 [15] "azure2"               "azure3"              
 [17] "azure4"               "beige"               
 [19] "bisque"               "bisque1"             
 [21] "bisque2"              "bisque3"             
 [23] "bisque4"              "black"               
 [25] "blanchedalmond"       "blue"                
 [27] "blue1"                "blue2"               
 [29] "blue3"                "blue4"               
 [31] "blueviolet"           "brown"               
 [33] "brown1"               "brown2"              
 [35] "brown3"               "brown4"              
 [37] "burlywood"            "burlywood1"          
 [39] "burlywood2"           "burlywood3"          
 [41] "burlywood4"           "cadetblue"           
 [43] "cadetblue1"           "cadetblue2"          
 [45] "cadetblue3"           "cadetblue4"          
 [47] "chartreuse"           "chartreuse1"         
 [49] "chartreuse2"          "chartreuse3"         
 [51] "chartreuse4"          "chocolate"           
 [53] "chocolate1"           "chocolate2"          
 [55] "chocolate3"           "chocolate4"          
 [57] "coral"                "coral1"              
 [59] "coral2"               "coral3"              
 [61] "coral4"               "cornflowerblue"      
 [63] "cornsilk"             "cornsilk1"           
 [65] "cornsilk2"            "cornsilk3"           
 [67] "cornsilk4"            "cyan"                
 [69] "cyan1"                "cyan2"               
 [71] "cyan3"                "cyan4"               
 [73] "darkblue"             "darkcyan"            
 [75] "darkgoldenrod"        "darkgoldenrod1"      
 [77] "darkgoldenrod2"       "darkgoldenrod3"      
 [79] "darkgoldenrod4"       "darkgray"            
 [81] "darkgreen"            "darkgrey"            
 [83] "darkkhaki"            "darkmagenta"         
 [85] "darkolivegreen"       "darkolivegreen1"     
 [87] "darkolivegreen2"      "darkolivegreen3"     
 [89] "darkolivegreen4"      "darkorange"          
 [91] "darkorange1"          "darkorange2"         
 [93] "darkorange3"          "darkorange4"         
 [95] "darkorchid"           "darkorchid1"         
 [97] "darkorchid2"          "darkorchid3"         
 [99] "darkorchid4"          "darkred"             
[101] "darksalmon"           "darkseagreen"        
[103] "darkseagreen1"        "darkseagreen2"       
[105] "darkseagreen3"        "darkseagreen4"       
[107] "darkslateblue"        "darkslategray"       
[109] "darkslategray1"       "darkslategray2"      
[111] "darkslategray3"       "darkslategray4"      
[113] "darkslategrey"        "darkturquoise"       
[115] "darkviolet"           "deeppink"            
[117] "deeppink1"            "deeppink2"           
[119] "deeppink3"            "deeppink4"           
[121] "deepskyblue"          "deepskyblue1"        
[123] "deepskyblue2"         "deepskyblue3"        
[125] "deepskyblue4"         "dimgray"             
[127] "dimgrey"              "dodgerblue"          
[129] "dodgerblue1"          "dodgerblue2"         
[131] "dodgerblue3"          "dodgerblue4"         
[133] "firebrick"            "firebrick1"          
[135] "firebrick2"           "firebrick3"          
[137] "firebrick4"           "floralwhite"         
[139] "forestgreen"          "gainsboro"           
[141] "ghostwhite"           "gold"                
[143] "gold1"                "gold2"               
[145] "gold3"                "gold4"               
[147] "goldenrod"            "goldenrod1"          
[149] "goldenrod2"           "goldenrod3"          
[151] "goldenrod4"           "gray"                
[153] "gray0"                "gray1"               
[155] "gray2"                "gray3"               
[157] "gray4"                "gray5"               
[159] "gray6"                "gray7"               
[161] "gray8"                "gray9"               
[163] "gray10"               "gray11"              
[165] "gray12"               "gray13"              
[167] "gray14"               "gray15"              
[169] "gray16"               "gray17"              
[171] "gray18"               "gray19"              
[173] "gray20"               "gray21"              
[175] "gray22"               "gray23"              
[177] "gray24"               "gray25"              
[179] "gray26"               "gray27"              
[181] "gray28"               "gray29"              
[183] "gray30"               "gray31"              
[185] "gray32"               "gray33"              
[187] "gray34"               "gray35"              
[189] "gray36"               "gray37"              
[191] "gray38"               "gray39"              
[193] "gray40"               "gray41"              
[195] "gray42"               "gray43"              
[197] "gray44"               "gray45"              
[199] "gray46"               "gray47"              
[201] "gray48"               "gray49"              
[203] "gray50"               "gray51"              
[205] "gray52"               "gray53"              
[207] "gray54"               "gray55"              
[209] "gray56"               "gray57"              
[211] "gray58"               "gray59"              
[213] "gray60"               "gray61"              
[215] "gray62"               "gray63"              
[217] "gray64"               "gray65"              
[219] "gray66"               "gray67"              
[221] "gray68"               "gray69"              
[223] "gray70"               "gray71"              
[225] "gray72"               "gray73"              
[227] "gray74"               "gray75"              
[229] "gray76"               "gray77"              
[231] "gray78"               "gray79"              
[233] "gray80"               "gray81"              
[235] "gray82"               "gray83"              
[237] "gray84"               "gray85"              
[239] "gray86"               "gray87"              
[241] "gray88"               "gray89"              
[243] "gray90"               "gray91"              
[245] "gray92"               "gray93"              
[247] "gray94"               "gray95"              
[249] "gray96"               "gray97"              
[251] "gray98"               "gray99"              
[253] "gray100"              "green"               
[255] "green1"               "green2"              
[257] "green3"               "green4"              
[259] "greenyellow"          "grey"                
[261] "grey0"                "grey1"               
[263] "grey2"                "grey3"               
[265] "grey4"                "grey5"               
[267] "grey6"                "grey7"               
[269] "grey8"                "grey9"               
[271] "grey10"               "grey11"              
[273] "grey12"               "grey13"              
[275] "grey14"               "grey15"              
[277] "grey16"               "grey17"              
[279] "grey18"               "grey19"              
[281] "grey20"               "grey21"              
[283] "grey22"               "grey23"              
[285] "grey24"               "grey25"              
[287] "grey26"               "grey27"              
[289] "grey28"               "grey29"              
[291] "grey30"               "grey31"              
[293] "grey32"               "grey33"              
[295] "grey34"               "grey35"              
[297] "grey36"               "grey37"              
[299] "grey38"               "grey39"              
[301] "grey40"               "grey41"              
[303] "grey42"               "grey43"              
[305] "grey44"               "grey45"              
[307] "grey46"               "grey47"              
[309] "grey48"               "grey49"              
[311] "grey50"               "grey51"              
[313] "grey52"               "grey53"              
[315] "grey54"               "grey55"              
[317] "grey56"               "grey57"              
[319] "grey58"               "grey59"              
[321] "grey60"               "grey61"              
[323] "grey62"               "grey63"              
[325] "grey64"               "grey65"              
[327] "grey66"               "grey67"              
[329] "grey68"               "grey69"              
[331] "grey70"               "grey71"              
[333] "grey72"               "grey73"              
[335] "grey74"               "grey75"              
[337] "grey76"               "grey77"              
[339] "grey78"               "grey79"              
[341] "grey80"               "grey81"              
[343] "grey82"               "grey83"              
[345] "grey84"               "grey85"              
[347] "grey86"               "grey87"              
[349] "grey88"               "grey89"              
[351] "grey90"               "grey91"              
[353] "grey92"               "grey93"              
[355] "grey94"               "grey95"              
[357] "grey96"               "grey97"              
[359] "grey98"               "grey99"              
[361] "grey100"              "honeydew"            
[363] "honeydew1"            "honeydew2"           
[365] "honeydew3"            "honeydew4"           
[367] "hotpink"              "hotpink1"            
[369] "hotpink2"             "hotpink3"            
[371] "hotpink4"             "indianred"           
[373] "indianred1"           "indianred2"          
[375] "indianred3"           "indianred4"          
[377] "ivory"                "ivory1"              
[379] "ivory2"               "ivory3"              
[381] "ivory4"               "khaki"               
[383] "khaki1"               "khaki2"              
[385] "khaki3"               "khaki4"              
[387] "lavender"             "lavenderblush"       
[389] "lavenderblush1"       "lavenderblush2"      
[391] "lavenderblush3"       "lavenderblush4"      
[393] "lawngreen"            "lemonchiffon"        
[395] "lemonchiffon1"        "lemonchiffon2"       
[397] "lemonchiffon3"        "lemonchiffon4"       
[399] "lightblue"            "lightblue1"          
[401] "lightblue2"           "lightblue3"          
[403] "lightblue4"           "lightcoral"          
[405] "lightcyan"            "lightcyan1"          
[407] "lightcyan2"           "lightcyan3"          
[409] "lightcyan4"           "lightgoldenrod"      
[411] "lightgoldenrod1"      "lightgoldenrod2"     
[413] "lightgoldenrod3"      "lightgoldenrod4"     
[415] "lightgoldenrodyellow" "lightgray"           
[417] "lightgreen"           "lightgrey"           
[419] "lightpink"            "lightpink1"          
[421] "lightpink2"           "lightpink3"          
[423] "lightpink4"           "lightsalmon"         
[425] "lightsalmon1"         "lightsalmon2"        
[427] "lightsalmon3"         "lightsalmon4"        
[429] "lightseagreen"        "lightskyblue"        
[431] "lightskyblue1"        "lightskyblue2"       
[433] "lightskyblue3"        "lightskyblue4"       
[435] "lightslateblue"       "lightslategray"      
[437] "lightslategrey"       "lightsteelblue"      
[439] "lightsteelblue1"      "lightsteelblue2"     
[441] "lightsteelblue3"      "lightsteelblue4"     
[443] "lightyellow"          "lightyellow1"        
[445] "lightyellow2"         "lightyellow3"        
[447] "lightyellow4"         "limegreen"           
[449] "linen"                "magenta"             
[451] "magenta1"             "magenta2"            
[453] "magenta3"             "magenta4"            
[455] "maroon"               "maroon1"             
[457] "maroon2"              "maroon3"             
[459] "maroon4"              "mediumaquamarine"    
[461] "mediumblue"           "mediumorchid"        
[463] "mediumorchid1"        "mediumorchid2"       
[465] "mediumorchid3"        "mediumorchid4"       
[467] "mediumpurple"         "mediumpurple1"       
[469] "mediumpurple2"        "mediumpurple3"       
[471] "mediumpurple4"        "mediumseagreen"      
[473] "mediumslateblue"      "mediumspringgreen"   
[475] "mediumturquoise"      "mediumvioletred"     
[477] "midnightblue"         "mintcream"           
[479] "mistyrose"            "mistyrose1"          
[481] "mistyrose2"           "mistyrose3"          
[483] "mistyrose4"           "moccasin"            
[485] "navajowhite"          "navajowhite1"        
[487] "navajowhite2"         "navajowhite3"        
[489] "navajowhite4"         "navy"                
[491] "navyblue"             "oldlace"             
[493] "olivedrab"            "olivedrab1"          
[495] "olivedrab2"           "olivedrab3"          
[497] "olivedrab4"           "orange"              
[499] "orange1"              "orange2"             
[501] "orange3"              "orange4"             
[503] "orangered"            "orangered1"          
[505] "orangered2"           "orangered3"          
[507] "orangered4"           "orchid"              
[509] "orchid1"              "orchid2"             
[511] "orchid3"              "orchid4"             
[513] "palegoldenrod"        "palegreen"           
[515] "palegreen1"           "palegreen2"          
[517] "palegreen3"           "palegreen4"          
[519] "paleturquoise"        "paleturquoise1"      
[521] "paleturquoise2"       "paleturquoise3"      
[523] "paleturquoise4"       "palevioletred"       
[525] "palevioletred1"       "palevioletred2"      
[527] "palevioletred3"       "palevioletred4"      
[529] "papayawhip"           "peachpuff"           
[531] "peachpuff1"           "peachpuff2"          
[533] "peachpuff3"           "peachpuff4"          
[535] "peru"                 "pink"                
[537] "pink1"                "pink2"               
[539] "pink3"                "pink4"               
[541] "plum"                 "plum1"               
[543] "plum2"                "plum3"               
[545] "plum4"                "powderblue"          
[547] "purple"               "purple1"             
[549] "purple2"              "purple3"             
[551] "purple4"              "red"                 
[553] "red1"                 "red2"                
[555] "red3"                 "red4"                
[557] "rosybrown"            "rosybrown1"          
[559] "rosybrown2"           "rosybrown3"          
[561] "rosybrown4"           "royalblue"           
[563] "royalblue1"           "royalblue2"          
[565] "royalblue3"           "royalblue4"          
[567] "saddlebrown"          "salmon"              
[569] "salmon1"              "salmon2"             
[571] "salmon3"              "salmon4"             
[573] "sandybrown"           "seagreen"            
[575] "seagreen1"            "seagreen2"           
[577] "seagreen3"            "seagreen4"           
[579] "seashell"             "seashell1"           
[581] "seashell2"            "seashell3"           
[583] "seashell4"            "sienna"              
[585] "sienna1"              "sienna2"             
[587] "sienna3"              "sienna4"             
[589] "skyblue"              "skyblue1"            
[591] "skyblue2"             "skyblue3"            
[593] "skyblue4"             "slateblue"           
[595] "slateblue1"           "slateblue2"          
[597] "slateblue3"           "slateblue4"          
[599] "slategray"            "slategray1"          
[601] "slategray2"           "slategray3"          
[603] "slategray4"           "slategrey"           
[605] "snow"                 "snow1"               
[607] "snow2"                "snow3"               
[609] "snow4"                "springgreen"         
[611] "springgreen1"         "springgreen2"        
[613] "springgreen3"         "springgreen4"        
[615] "steelblue"            "steelblue1"          
[617] "steelblue2"           "steelblue3"          
[619] "steelblue4"           "tan"                 
[621] "tan1"                 "tan2"                
[623] "tan3"                 "tan4"                
[625] "thistle"              "thistle1"            
[627] "thistle2"             "thistle3"            
[629] "thistle4"             "tomato"              
[631] "tomato1"              "tomato2"             
[633] "tomato3"              "tomato4"             
[635] "turquoise"            "turquoise1"          
[637] "turquoise2"           "turquoise3"          
[639] "turquoise4"           "violet"              
[641] "violetred"            "violetred1"          
[643] "violetred2"           "violetred3"          
[645] "violetred4"           "wheat"               
[647] "wheat1"               "wheat2"              
[649] "wheat3"               "wheat4"              
[651] "whitesmoke"           "yellow"              
[653] "yellow1"              "yellow2"             
[655] "yellow3"              "yellow4"             
[657] "yellowgreen"         
> plot(xkoord,ykoord,col=3)
> plot(1:12,1:12,col=1:12)
> plot(xkoord,ykoord,col=halmaz)
> plot(xkoord,ykoord,pch="+")
> plot(xkoord,ykoord,pch=4)
> plot(1:12,1:12,pch=1:12)
> plot(xkoord,ykoord,pch=halmaz)
Error in plot.xy(xy, type, ...) : invalid plotting symbol
> plot(xkoord,ykoord,pch=halmaz+2)
Warning message:
In Ops.factor(halmaz, 2) : ‘+’ not meaningful for factors
> plot(xkoord,ykoord,pch=as.numeric(halmaz))
> plot(xkoord,ykoord,pch=as.numeric(halmaz),col=halmaz)
> pontok
       xkoord     ykoord halmaz       tav
1   0.1829699  0.3702491      2 0.4129920
2   0.3649382 -0.7408059      1 0.8258167
3  -0.2073121 -0.6979016      2 0.7280419
4  -1.7441663 -0.4389299      2 1.7985482
5   1.3119190  1.7016581      1 2.1486674
6   0.9769963  1.6276354      1 1.8983463
7   0.6187861  0.6406041      2 0.8906569
8   0.2507825 -1.3344828      2 1.3578425
9   1.6436978 -0.9704997      2 1.9088248
10 -0.8417565 -0.3048665      2 0.8952640
> pontok[12,] <- list(rnorm(1),rnorm(1),2)
> pontok
       xkoord     ykoord halmaz       tav
1   0.1829699  0.3702491      2 0.4129920
2   0.3649382 -0.7408059      1 0.8258167
3  -0.2073121 -0.6979016      2 0.7280419
4  -1.7441663 -0.4389299      2 1.7985482
5   1.3119190  1.7016581      1 2.1486674
6   0.9769963  1.6276354      1 1.8983463
7   0.6187861  0.6406041      2 0.8906569
8   0.2507825 -1.3344828      2 1.3578425
9   1.6436978 -0.9704997      2 1.9088248
10 -0.8417565 -0.3048665      2 0.8952640
11         NA         NA   <NA>        NA
12  0.1595688  1.8862897      2 0.1595688
> pontok[14,] <- 1
> pontok
       xkoord     ykoord halmaz       tav
1   0.1829699  0.3702491      2 0.4129920
2   0.3649382 -0.7408059      1 0.8258167
3  -0.2073121 -0.6979016      2 0.7280419
4  -1.7441663 -0.4389299      2 1.7985482
5   1.3119190  1.7016581      1 2.1486674
6   0.9769963  1.6276354      1 1.8983463
7   0.6187861  0.6406041      2 0.8906569
8   0.2507825 -1.3344828      2 1.3578425
9   1.6436978 -0.9704997      2 1.9088248
10 -0.8417565 -0.3048665      2 0.8952640
11         NA         NA   <NA>        NA
12  0.1595688  1.8862897      2 0.1595688
13         NA         NA   <NA>        NA
14  1.0000000  1.0000000      1 1.0000000
> pontok[6] <- pontok$xkoord
Error in `[<-.data.frame`(`*tmp*`, 6, value = c(0.182969913021711, 0.364938174325596,  : 
  new columns would leave holes after existing columns
> x <- 3
> y <- 4
> x+y
[1] 7
> save.image("C:\\Users\\aa002221\\Documents\\R\\elso\\.RData")
>