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Re: st: catching variable mismatch in the data
From
Eric Booth <[email protected]>
To
[email protected]
Subject
Re: st: catching variable mismatch in the data
Date
Fri, 13 Sep 2013 07:26:53 -0500
<>
It should read:
> cap noi ds var4???
not
> cap noi ds v4???
HTH,
Eric
On Sep 13, 2013, at 7:21 AM, Paul Byatta <[email protected]> wrote:
> Hi Eric,
>
>
> Thanks for the help.
>
>
> The correction you recommend seems to be working well, ie it is catching the presence of the variable/s as I want.
>
>
> The only hitch is that the dofile doesnt exit when the variables v4??? are present, despite there being an -exit- command. It displays the error message but continues with the rest of the commands in the dofile. What could I be doing wrong? Below is how I have incorporated the command lines.
>
>
> cap noi ds v4???
> if `"`r(varlist)'"' != "" {
> display as err "There is a mismatch between variable names in the data"
> exit
> }
>
>
> Thanks
> Paul
>
>
>
> ----- Original Message -----
> From: Eric A. Booth <[email protected]>
> To: [email protected]
> Cc:
> Sent: Friday, September 13, 2013 2:07 PM
> Subject: Re: st: catching variable mismatch in the data
>
> <>
> Hi Paul:
> It appears you want to stop your do file if there is any variable
> present that has a variable name of the pattern var4???.
> If you find them, then you want to stop your do-file (based on the use
> of the error message and -exit- in your loop).
>
> Your loop is failing for a few reasons. First , var4### is illegal;
> instead, you want var4???. Also, the second line with 'capture
> confirm...' is irrelevant when you start the loop with 'foreach x1 of
> varlist var4??? { ' because if there were no var4??? in your dataset
> the loop would stop there and say 'variable 4??? not found', having
> never reached the 'capture confirm...' lines nested below.
>
> Instead, I think you can put these 2 lines in your do-file to get the
> functionality you seek:
>
> **
> cap noi ds var4???
> if `"`r(varlist)'"' != "" exit
> **
>
> - Eric
>
> On Fri, Sep 13, 2013 at 5:35 AM, Paul Byatta <[email protected]> wrote:
>> Hi Statalist
>>
>> I writing lines of commands that will alert me whenever there is a mismatch between variable names. I know there is a mismatch when the dataset contains a foreign variable name. I also know the foreign variable name/s will take the prefix of "var" and end with with a number greater than 4000 (because the total non-foreign variables are 4000).
>>
>> The commands I have so far
>>
>> foreach x1 of varlist var4###{
>> capture confirm variable `x1'
>> if _rc != 0 {
>> display as err "There is a mismatch between variable names in the data"
>> exit _rc
>> }
>>
>>
>> I know based on an earlier discussion on this list (Re: st: -confirm variable- does not accept varlist (wildcards)) that "capture confirm" command doesnt accept varlist, but does somebody have any alternative suggestions on how to programmatically achieve my goal above.
>>
>>
>> Thanks
>> Paul
>>
>>
>> *
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