Get Data Into R Using Any File Format
In this course, you'll learn how to read any file and get it from a messy state into a usable format. This will be particularly useful for Excel files.
Welcome
Preliminaries
Download Area
Lesson 01: Same data in different formats
Lesson 02: Read standard csv & Paths
Lesson 03: Reading non-standard csv-files
Lesson 04: Reading TSV and TXT files
Lesson 05: Read Excel files
Lesson 06: Read JSON files
Lesson 07: Turning missing values into true NAs
Lesson 08: Transforming/Parsing numbers
Lesson 09: Transforming/Parsing dates & datetimes
Lesson 10: Handle a mix of date(time) formats
Lesson 11: Combining data sets columnwise & rowwise
Interlude: A mental model for join functions
Lesson 12: Combining datasetx by left_ and right_join()
Lesson 13: Other join types
Lesson 14: Joining by multiple criteria
Lesson 15: Rearranging data from wide to long format with pivot_longer()
Lesson 16: Advanced column name tricks with pivot_longer()
Lesson 17: Making long data wide with pivot_wider()
Lesson 18: Cleaning up Excel Pivot Tables
Lesson 19: Beheading with multiple data formats
Lesson 20: Beheading colored cells
Lesson 21: Putting it all together