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Fix typo. Fixes #567

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hadley 2017-05-03 08:23:06 -05:00
parent 6e52fd9266
commit 44ad7547cf
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iteration.Rmd
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@ -610,7 +610,7 @@ If you're familiar with the apply family of functions in base R, you might have
additional argument that defines the type. The only problem with additional argument that defines the type. The only problem with
`vapply()` is that it's a lot of typing: `vapply()` is that it's a lot of typing:
`vapply(df, is.numeric, logical(1))` is equivalent to `vapply(df, is.numeric, logical(1))` is equivalent to
`map_lgl(df, is.numeric)`. One of advantage of `vapply()` over purrr's map `map_lgl(df, is.numeric)`. One advantage of `vapply()` over purrr's map
functions is that it can also produce matrices --- the map functions only functions is that it can also produce matrices --- the map functions only
ever produce vectors. ever produce vectors.