[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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