Dear I have a dataset with the following variables: patient ID and dose. I would like to create a new variable called  increase  based on the  Dose  variable. This variable should be set to 1 when the dose in the next row (for the same patient) is higher. Example  pt_ID  DOSE    increase 1             3               1 1             4               0 1             3               0 2            24             0 2            22             1 2            25             0   Thank in advance for any help ... View more