[R] forest plot metafor

Mario Petretta petretta at unina.it
Wed Dec 9 19:48:56 CET 2015

Dear all,

I use metafor package to generate a forest plot showing the weight of each study in the plot.

I use the code:



res <- rma(ai=tpos, bi=tneg, ci=cpos, di=cneg, data=dat.bcg, measure="RR",

           slab=paste(author, year, sep=", "), method="REML")

forest(res, showweights=TRUE)

It is possible to order the columns, placing the weights after effect size and CI?

A further query: using escalc (or rma), it is possible to add the weight of each study (other than yi and vi) to the data (in the example: data.bcg)?

Thanks for your attention


Mario Petretta

Professor of Internal Medicine

Department of Translational Medical Science

Naples University “Federico II” - Italy



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