How to Aggregate Data by Group Stata | Collapse in Stata

This video discussed how to collapse or aggreate data on a group variable i.e. how to sum variable for group in stata, how to find mean of varaible for a group in stata or how to find weighted average in stata. 00:00 Intro to collapse command 00:34 Aggregate a variable 3:37 Calculate mean across different groups 6:00 Single parameter for multiple variables 7:07 Multiple parameters and multiple variables 7:47 Multiple parameters of same variable 9:40 Case wise deletion 13:25 Weighted average using collapse Website: thedatahall.com