[R-meta] Error Stopped because k = 0 after sub setting​.

Dear Klaow

There is no "PZQ" in that file as far as I can see. There is a "pzq" though.

Michael

On 17/09/2022 16:06, Klaow sota wrote:
> I apologize for the messy data from the previous email.
> The screenshot photo might be better, I attached.
> I curious that yi/vi probably get problem and made the error happened.
> Best,
> Klaow
>
>
>
> ------------------------------------------------------------------------
> *From:* Michael Dewey <lists at dewey.myzen.co.uk>
> *Sent:* Saturday, September 17, 2022 7:26 PM
> *To:* Klaow sota <jija_99 at hotmail.com>;
> r-sig-meta-analysis at r-project.org <r-sig-meta-analysis at r-project.org>
> *Subject:* Re: [R-meta] Error Stopped because k = 0 after sub setting?.
> Dear Klaow
>
> Without your data it is hard to be sure. I assume you have checked that
> the variable interven does indeed contain some values "PZQ"?
>
> Michael
>
> On 17/09/2022 11:44, Klaow sota wrote:
>> I have some problems with analysis in subgroup
>> It showed this message:
>>   > # fit random-effects model in the three subgroups
>>> res.s <- rma(yi, vi, subset=(interven=="PZQ"),data=dat)
>> Error: Stopped because k = 0 after sub setting?.
>>
>> How should I fix it?
>> Is it caused from vi, yi?
>>
>> Best regards,
>> Klaow
>>
>>        [[alternative HTML version deleted]]
>>
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> Michael
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