Merge branch 'master' of github.com:hadley/r4ds

This commit is contained in:
hadley
2016-07-25 15:07:06 -05:00
2 changed files with 21 additions and 21 deletions

View File

@@ -389,7 +389,7 @@ There are many functions for creating new variables that you can use with `mutat
feature we'll come back to in modelling.
All else being equal, I recommend using `log2()` because it's easy to
interpret: an difference of 1 on the log scale corresponds to doubling on
interpret: a difference of 1 on the log scale corresponds to doubling on
the original scale and a difference of -1 corresponds to halving.
* Offsets: `lead()` and `lag()` allow you to refer to leading or lagging