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BTM2016_RDatasets
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Hugo Carlos
BTM2016_RDatasets
Commits
a6a32025
Commit
a6a32025
authored
Oct 20, 2016
by
Hugo Carlos
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Replace R_Datasets.md
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a6a32025
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@@ -62,11 +62,11 @@ mean(bodyfat$age)
# How many are younger than 31 years old?
younger_than_31 <- bodyfat[ (bodyfat$age < 31), ]
length(younger_than_31)
dim(younger_than_31)[2]
# Another way
not_older_than_30 <- bodyfat[ !(bodyfat$age > 30), ]
length(not_older_than_30)
dim(not_older_than_30)[2]
# Watch out!
head( bodyfat[ !(bodyfat$age > 30), ] )
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