Feeds
提问
In a table with duplicate ids, how do I merge rows with values with rows with NaNs?
I have a table like this: id var_1 var_2 var_3 var_4 3101 6 NaN 6 NaN 3101 NaN NaN NaN 1 3101...
10 years 前 | 3 个回答 | 0
3
个回答提问
Create a new variable
Hi, This is a beginners question!! I want to create a new variable: CUENEUTRALONSET that will have the same values than CUEO...
13 years 前 | 1 个回答 | 0
