Hi, all

I happen to a question about multivariate meta-analysis. I found the
function of mvmeta in gap package, but I don't know for sure how to
construct a covariance matrix. Now, I have 20 studies, each having 6
coefficients for the basis functions from an additive model. I can extract
the covariance matrix for each coefficient. Could somebody give me a hint
how to construct a covariance matrix for mvmeta function?

Thanks.

Lee

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