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Merge pull request #4070 from Ahmunna/patch-1

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[R/en] Update r.html.markdown
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Marcel Ribeiro Dantas 2022-06-27 00:30:18 +02:00 committed by GitHub
commit f6f2aaafda
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1 changed files with 4 additions and 4 deletions
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@ -213,10 +213,10 @@ c(1, 2, 3, 1, 2, 3) * c(1, 2, 1, 2, 1, 2) # 1 4 3 2 2 6
# There's no difference between strings and characters in R
"Horatio" # "Horatio"
class("Horatio") # "character"
class('H') # "character"
class("H") # "character"
# Those were both character vectors of length 1
# Here is a longer one:
c('alef', 'bet', 'gimmel', 'dalet', 'he')
c("alef", "bet", "gimmel", "dalet", "he")
# => "alef" "bet" "gimmel" "dalet" "he"
length(c("Call","me","Ishmael")) # 3
# You can do regex operations on character vectors:
@ -252,8 +252,8 @@ c(TRUE, FALSE, TRUE) & c(FALSE, TRUE, TRUE) # FALSE FALSE TRUE
# You can test if x is TRUE
isTRUE(TRUE) # TRUE
# Here we get a logical vector with many elements:
c('Z', 'o', 'r', 'r', 'o') == "Zorro" # FALSE FALSE FALSE FALSE FALSE
c('Z', 'o', 'r', 'r', 'o') == "Z" # TRUE FALSE FALSE FALSE FALSE
c("Z", "o", "r", "r", "o") == "Zorro" # FALSE FALSE FALSE FALSE FALSE
c("Z", "o", "r", "r", "o") == "Z" # TRUE FALSE FALSE FALSE FALSE
# FACTORS
# The factor class is for categorical data