Hi,
Say I have a following data
ID Week Event_Occurence
A 1 0
A 2 0
A 3 1
A 4 0
B 1 1
B 2 0
B 3 0
B 4 1
that whether an individual experienced an event in a particular week.
I wish to create list such as the first element of the list will be a
vector listing the week number when the event has occurred for A, followed
by that of B.
Can you help creating this?
--
Anindya Sankar Dey
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