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Merge pull request #77 from lubomir/patch-2

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Fix typos in R tutorial
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Adam Bard 2013-07-01 08:52:43 -07:00
commit 998329756d
1 changed files with 3 additions and 3 deletions
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@ -130,7 +130,7 @@ vec <- c(4, 5, 6, 7)
vec # => [1] 4 5 6 7
# The class of a vector is the class of its components
class(vec) # => [1] "numeric"
# If you vectorize items of different classes, weird coersions happen
# If you vectorize items of different classes, weird coercions happen
c(TRUE, 4) # => [1] 1 4
c("dog", TRUE, 4) # => [1] "dog" "TRUE" "4"
@ -192,7 +192,7 @@ mat3
# [,1] [,2] [,3] [,4]
# [1,] 1 2 4 5
# [2,] 6 7 0 4
# Aah, everything of the same class. No coersions. Much better.
# Aah, everything of the same class. No coercions. Much better.
# TWO-DIMENSIONAL (DIFFERENT CLASSES)
@ -273,7 +273,7 @@ apply(mat, MAR = 2, myFunc)
# [2,] 7 19
# [3,] 11 23
# Other functions: ?lapply, ?sapply
# Don't feel too intimiated; everyone agrees they are rather confusing
# Don't feel too intimidated; everyone agrees they are rather confusing
# The plyr package aims to replace (and improve upon!) the *apply() family.