Data Cleaning Exercises

Input table:Inputs are read-only. Every step works on a copy.
Input table survey, rows 1 to 6 of 6
#
1r34421missing
2r390missingmissingmissing
3r34253missing
4r340missing12
5r3415missing1
6r343324

Playground: 6 input rows → 6 rows after your steps. Nothing here is graded, and your steps are saved in this browser only. Export the pipeline to keep a copy.

Raw source6 rows × 4 columnsPreview up to dateNot saved yet · sign in to save to your account