Course Details

  • Date: November 18th, 2021 - November 18th, 2021
  • Time: 1:00 pm - 2:00 pm
  • Location: Online Webinar
  • Presenter(s): Joe Wu (BTEP)

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.

Meeting link:

https://cbiit.webex.com/cbiit/j.php?MTID=mda1ba0e0d1dda9e929ee492b1c8e2a5a

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