Fwd: Re: handling date data (was st: Please help!)

[Lisa Sharwood <lisans@unimelb.edu.au>]

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> Phil
> Thank you for your very helpful information! It worked a charm... i 
> have my new variable 'time in study' - just not sure why the numbers 
> are negative - as the pts were in the study for a 'positive' number 
> of days - and the edates I have created are positive. next step the 
> K-M analysis. I take my hat off to those of you who embrace this 
> technology more easily than myself!
>
> Thanks gratefully
> Lisa
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