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Re: st: counting variables within a row


From   Steve Samuels <[email protected]>
To   [email protected]
Subject   Re: st: counting variables within a row
Date   Tue, 8 Jun 2010 20:07:28 -0400

Casey, you will probably get a quick answer if you substitute simple
variable names (e.g. x y z) for your long names and resend your post.


Steve

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Steven Samuels
[email protected]
18 Cantine's Island
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On Tue, Jun 8, 2010 at 7:15 PM, Casey P. Durand <[email protected]> wrote:
> Hi folks,
>
> I have a dataset with 18 variables called met_aone-met_aeighteen.
> Within each observation, I'm trying to count the number of these
> variables with values which satisfy three criteria.  I thought I could
> handle this with -egen- and the lines of code I originally wrote are:
>
> egen lightcount_d1= rownonmiss ( met_aone-met_aeighteen) if (
> met_aone-met_aeighteen)> 0 & ( met_aone-met_aeighteen)< 3
> egen modcount_d1= rownonmiss (met_aone-met_aeighteen) if
> (met_aone-met_aeighteen)>= 3.0000 & (met_aone-met_aeighteen)< 6
> egen hardcount_d1= rownonmiss (met_aone-met_aeighteen) if
> (met_aone-met_aeighteen)>= 6.0000 & (met_aone-met_aeighteen)< .
>
> The problem as I quickly realized is that it is only counting
> variables when every single value in the row satisfies the if
> requirement.  What I can't figure out is how to assess each variable
> individually for meeting the criteria, but ultimately producing a new
> variable with the total within the observation which meets my
> criteria.
>
> Any thoughts on how to handle this?
>
> Thanks in advance.
>

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