[R-meta] Multiple subset

angelo solarino @nge|o@o|@r|no @end|ng |rom gm@||@com
Wed Mar 10 13:20:16 CET 2021


I am trying to concatenate two subset functions in metafor

something like:
subset=VAR1=="X" & subset=VAR2=="Z",

regardless of how i try to change the syntax i get an error message.

has anyone tried it before?

The only other option it comes to my mind is to split the database on VAR1
and then rin the subset by VAR2.

Thank you,

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