In this class, we will explore the basics of R. Topics covered will include:

• Overview of R Studio IDE
• Checking R version and switching between different versions of R
• Working with directories
  • Setting working directory
  • Listing files in the working directory
• Importing files (csv, tab-delimited text, xlsx)
• Write data frames to csv
• Data manipulation including subsetting and filtering
• Basic plotting using R’s base plotting

This will not be a hands-on class so no need to install anything prior to class.

Class recording:

https://cbiit.webex.com/recordingservice/sites/cbiit/recording/playback/b5f1f8622ac7103aaf5f0050568ccf8b

Class PowerPoint (slide 9 has a description of the parameters used to fine tune the bar plot):

https://btep.ccr.cancer.gov/wp-content/uploads/getting_to_know_r_20211118-1.pptx

If you have any questions, please email ncibtep@nih.gov