Dear R community,
   I have data on beta&standard error (for the main effect of variable x),
stratified by sex for my dataset. I wish to calculate the sex-interaction
effect (as beta&se) from these two stratified datasets. Is there a package
to do this? If not, any advice how to do it manually?
Thank you very much and best regards, Georg.
************************
Georg Ehret, JHU, Baltimore

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