How to categorize the same ID in row with other columns?
Hi, I have the data set that the same ID in multiple rows. Each rows had 1 to 3 categories. The columns represent costA to costZ that I need to stack in the same Cost column. However, I need to generate group by category 1 ( 1 if category 1 < 2000, 2 if category 1 = 2000 - 4000, 3 if category 1 = 4000 - 6000, 4 if category 1 = 6000 - 10000, 5 if category 1 > 10000). However, I need to delete categ...