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Minor typo

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Antonio Lima 2014-05-29 16:51:24 +02:00
parent 5a8004c614
commit 101a75fcbc
1 changed files with 1 additions and 1 deletions
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@ -347,7 +347,7 @@ c(6, 8, 7, 5, 3, 0, 9)[3] # 7
which(vec %% 2 == 0) # 1 3
# grab just the first or last few entries in the vector,
head(vec, 1) # 8
tail(vec, w) # 10 11
tail(vec, 2) # 10 11
# or figure out if a certain value is in the vector
any(vec == 10) # TRUE
# If an index "goes over" you'll get NA: