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From |
Faye Turner <Faye.Turner@cancer.org.uk> |

To |
statalist@hsphsun2.harvard.edu |

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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