From 6f57a206fef80f3ff8023d42b3f1602f77574b2c Mon Sep 17 00:00:00 2001 From: hadley Date: Thu, 18 Aug 2016 10:05:33 -0500 Subject: [PATCH] Fix typo --- factors.Rmd | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/factors.Rmd b/factors.Rmd index 395ec54..411a181 100644 --- a/factors.Rmd +++ b/factors.Rmd @@ -6,7 +6,7 @@ In R, factors are used to work with categorical variables, variables that have a Historically, factors were much easier to work with than characters. As a result, many of the functions in base R automatically convert characters to factors. This means that factors often crop up in places where they're not actually helpful. Fortunately, you don't need to worry about that in the tidyverse, and can focus on situations where factors are genuinely useful. -For more historical context on factors, I recommended [_stringsAsFactors: An unauthorized biography_](http://simplystatistics.org/2015/07/24/stringsasfactors-an-unauthorized-biography/) by Roger Peng, and [_stringsAsFactors = \_](http://notstatschat.tumblr.com/post/124987394001/stringsasfactors-sigh) by Thomas Lumley. +For more historical context on factors, I recommend [_stringsAsFactors: An unauthorized biography_](http://simplystatistics.org/2015/07/24/stringsasfactors-an-unauthorized-biography/) by Roger Peng, and [_stringsAsFactors = \_](http://notstatschat.tumblr.com/post/124987394001/stringsasfactors-sigh) by Thomas Lumley. ### Prerequisites