Today we covered the topic of data manipulation. We first reviewed the basic ways to subset data frames such as logical expression and subset function. Then, we looked at ways to combine, merge, and split data frames. Finally, we covered the usage of package plyr.
Here is the link to our open lab’s GitHub repository: https://github.com/wbh0912/R-Open-Lab-Fall-2018
If you have further questions regarding topics covered in the material, please feel free to drop in during consultation hours or leave a comment.