Grouping and Summarizing Data Using dplyr
4:47
Splitting Data Into Multiple Tables So That They Can Be Put Back Together
25:54
Using dplyr's group_by function with and without summarize (CC233)
9:14
Data Wrangling In R with group_by() and summarise()
27:19
Data wrangling with R in 27 minutes
11:03
How to Filter Rows in a Data Frame Using the dplyr Filter function
19:44
Describe and Summarise your data
11:21
Dplyr Essentials (easy data manipulation in R): select, mutate, filter, group_by, summarise, & more
28:30