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|@@ -95,7 +95,7 @@ Here we have the same data, but now the file is comma-delimited and contains a h|
|header = T # first line contains column names, so we can|
|) # immediately call `students$age`|
|-(Note: there is also a `read.csv` function that uses `sep = ","` by default.)|
|+(Note: there is also a `read.csv` function.)|
|@@ -241,4 +241,4 @@ So I'll end with some additional resources on R and ggplot2.|
|* [plyr](http://plyr.had.co.nz/) is another fantastic R package that's also by Hadley Wickham (the author of ggplot2).|
|* The [official R introduction](http://cran.r-project.org/doc/manuals/R-intro.html) is okay, but definitely not great. I haven't found any R tutorials I really like, but I've heard good things about [The Art of R Programming](http://www.amazon.com/Art-Programming-Statistical-Software-Design/dp/1593273843).|
|-Edwin Chen :: [@edchedch](https://twitter.com/#!/edchedch) :: [http://blog.echen.me](http://blog.echen.me/)|
|+Edwin Chen :: [@echen](https://twitter.com/#!/echen) :: [http://blog.echen.me](http://blog.echen.me/)|