I have a table similar to the following:
ID Date Biopsy result
111 x ddd
111 y hhh
111 z fff
222 g ggg
222 h llll
333 d jjj
333 l eee
333 s aaa
I would like to calculate, for each ID, the date interval between biopsy dates
Is there a way of doing this?
Thanks.
ID Date Biopsy result
111 x ddd
111 y hhh
111 z fff
222 g ggg
222 h llll
333 d jjj
333 l eee
333 s aaa
I would like to calculate, for each ID, the date interval between biopsy dates
Is there a way of doing this?
Thanks.