sort time
replace ci_ev = ci_ev[_n-1] if ci_ev == 0 in 2/l
Scott
----- Original Message -----
From: David Winter <[email protected]>
Date: Thursday, September 14, 2006 12:24 pm
Subject: st: filling in gaps in data
To: [email protected]
<snip>
>
> As cumulative incidence is a step function I may want to identify the
> value for CI_EV at, say, time =5, so I want to fill in the gaps
> with the
> previous known value (so in the above example, the values of CI_EV
for
> time = 3,4 and 5 would be recoded to 0.00069396).
>
> Some sort of loop should be in order but I am having problems with
the
> 'grey matter'. All assistance would be gratefully received.
>
> Regards and thanks,
>
> Dave
>
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