John Taveras

Find nth largest or smallest in a group

August 13, 2021August 6, 2022

Calculate percent of column in R

September 5, 2016August 8, 2022

Learning Analytics? Crawl Before you Walk

July 25, 2016August 7, 2022
2 Comments

Excel vs R: When to use what

July 22, 2016August 6, 2022
9 Comments

Columns to Text in R

June 6, 2016August 8, 2022

Excel Formulas and R Functions

June 6, 2016August 6, 2022

How to do MID, RIGHT an LEFT in R

January 12, 2016August 8, 2022
3 Comments

How to do VLOOKUP in R

January 7, 2015August 7, 2022
14 Comments

How to Make a PivotTable in R

October 4, 2014August 6, 2022
16 Comments