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st: identifying lengths of runs in a binary variable


From   Faye Turner <[email protected]>
To   [email protected]
Subject   st: identifying lengths of runs in a binary variable
Date   Mon, 18 Apr 2005 11:00:15 +0100

I have a binary variable (coded with 0's and 1's).

I would like to generate a variable that records the frequency of consecutive 1's.

A new run of 1's would begin after a zero.

E.g

binvar newvar
1 3
1 3
1 3
0
0
1 4
1 4
1 4
1 4
0

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