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

Klaow sota j|j@_99 @end|ng |rom hotm@||@com
Sat Sep 17 17:06:22 CEST 2022

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.


From: Michael Dewey <lists using dewey.myzen.co.uk>
Sent: Saturday, September 17, 2022 7:26 PM
To: Klaow sota <jija_99 using hotmail.com>; r-sig-meta-analysis using r-project.org <r-sig-meta-analysis using 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"?


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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