| id | Type | Date | Scan |
| 1 | 9 | . | . |
| 1 | . | 2004 | 1 |
| 2 | 10 | . | . |
| 2 | . | 2006 | 1 |
how do I replace the missing data in each column by the id?
i.e I want all of those with id 1 to have type 9 date 2004 and scan 1
thank you in advance
Replacing missing variables in a data set with duplicate data by row
I am struggling to replace missing data with a particular value in my dataset which has multiple duplicate entries by row. for example
how do I replace the missing data in each column by the id?
i.e I want all of those with id 1 to have type 9 date 2004 and scan 1
thank you in advance
how do I replace the missing data in each column by the id?
i.e I want all of those with id 1 to have type 9 date 2004 and scan 1
thank you in advance
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