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| author | Vojta Svoboda <vojtasvoboda.cz@gmail.com> | 2015-10-08 22:15:11 +0200 | 
|---|---|---|
| committer | Vojta Svoboda <vojtasvoboda.cz@gmail.com> | 2015-10-08 22:15:11 +0200 | 
| commit | 76a7430cb9663d29e797aa6fdef692813dfe13a0 (patch) | |
| tree | aeb4bb68188e1c422ea93a007d42cdabf3abe32f /r.html.markdown | |
| parent | bff40e2f9816974abd29322f2a50455f51acd22e (diff) | |
| parent | abd7444f9e5343f597b561a69297122142881fc8 (diff) | |
Merge branch 'master' into translation/brainfuck-cs
Diffstat (limited to 'r.html.markdown')
| -rw-r--r-- | r.html.markdown | 40 | 
1 files changed, 20 insertions, 20 deletions
| diff --git a/r.html.markdown b/r.html.markdown index d3d725d3..93751df5 100644 --- a/r.html.markdown +++ b/r.html.markdown @@ -36,8 +36,8 @@ head(rivers)	# peek at the data set  length(rivers)	# how many rivers were measured?  # 141  summary(rivers) # what are some summary statistics? -#   Min. 1st Qu.  Median    Mean 3rd Qu.    Max.  -#  135.0   310.0   425.0   591.2   680.0  3710.0  +#   Min. 1st Qu.  Median    Mean 3rd Qu.    Max. +#  135.0   310.0   425.0   591.2   680.0  3710.0  # make a stem-and-leaf plot (a histogram-like data visualization)  stem(rivers) @@ -54,14 +54,14 @@ stem(rivers)  #  14 | 56  #  16 | 7  #  18 | 9 -#  20 |  +#  20 |  #  22 | 25  #  24 | 3 -#  26 |  -#  28 |  -#  30 |  -#  32 |  -#  34 |  +#  26 | +#  28 | +#  30 | +#  32 | +#  34 |  #  36 | 1  stem(log(rivers)) # Notice that the data are neither normal nor log-normal! @@ -70,7 +70,7 @@ stem(log(rivers)) # Notice that the data are neither normal nor log-normal!  #  The decimal point is 1 digit(s) to the left of the |  #  #  48 | 1 -#  50 |  +#  50 |  #  52 | 15578  #  54 | 44571222466689  #  56 | 023334677000124455789 @@ -85,7 +85,7 @@ stem(log(rivers)) # Notice that the data are neither normal nor log-normal!  #  74 | 84  #  76 | 56  #  78 | 4 -#  80 |  +#  80 |  #  82 | 2  # make a histogram: @@ -108,7 +108,7 @@ sort(discoveries)  # [76]  4  4  4  4  5  5  5  5  5  5  5  6  6  6  6  6  6  7  7  7  7  8  9 10 12  stem(discoveries, scale=2) -#  +#  #  The decimal point is at the |  #  #   0 | 000000000 @@ -122,14 +122,14 @@ stem(discoveries, scale=2)  #   8 | 0  #   9 | 0  #  10 | 0 -#  11 |  +#  11 |  #  12 | 0  max(discoveries)  # 12  summary(discoveries) -#   Min. 1st Qu.  Median    Mean 3rd Qu.    Max.  -#    0.0     2.0     3.0     3.1     4.0    12.0  +#   Min. 1st Qu.  Median    Mean 3rd Qu.    Max. +#    0.0     2.0     3.0     3.1     4.0    12.0  # Roll a die a few times  round(runif(7, min=.5, max=6.5)) @@ -262,7 +262,7 @@ class(NULL)	# NULL  parakeet = c("beak", "feathers", "wings", "eyes")  parakeet  # => -# [1] "beak"     "feathers" "wings"    "eyes"     +# [1] "beak"     "feathers" "wings"    "eyes"  parakeet <- NULL  parakeet  # => @@ -279,7 +279,7 @@ as.numeric("Bilbo")  # =>  # [1] NA  # Warning message: -# NAs introduced by coercion  +# NAs introduced by coercion  # Also note: those were just the basic data types  # There are many more data types, such as for dates, time series, etc. @@ -419,10 +419,10 @@ mat %*% t(mat)  mat2 <- cbind(1:4, c("dog", "cat", "bird", "dog"))  mat2  # => -#      [,1] [,2]    -# [1,] "1"  "dog"   -# [2,] "2"  "cat"   -# [3,] "3"  "bird"  +#      [,1] [,2] +# [1,] "1"  "dog" +# [2,] "2"  "cat" +# [3,] "3"  "bird"  # [4,] "4"  "dog"  class(mat2)	# matrix  # Again, note what happened! | 
