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Add definition of parakeet in r.html.markdown

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Added a definition of the `parakeet` variable.  It's currently never defined, but referenced.
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acganesh 2015-01-28 23:27:09 -06:00
parent 13c90fce6d
commit 2f8765033f
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@ -259,6 +259,7 @@ levels(infert$education) # "0-5yrs" "6-11yrs" "12+ yrs"
# NULL # NULL
# "NULL" is a weird one; use it to "blank out" a vector # "NULL" is a weird one; use it to "blank out" a vector
class(NULL) # NULL class(NULL) # NULL
parakeet = c("beak", "feathers", "wings", "eyes")
parakeet parakeet
# => # =>
# [1] "beak" "feathers" "wings" "eyes" # [1] "beak" "feathers" "wings" "eyes"