Re: [R] R package for meta-analysis from z scores

2020-01-20 Thread Michael Dewey
Dear James Your question really boil down to whether you can estimate tau^2, the between study variance of the effect sizes, if you only have p-values. As far as I can see the answer has to be no. Michael On 16/01/2020 13:10, james poweraid wrote: Hello, I have a set of Z scores from an N=

[R] R package for meta-analysis from z scores

2020-01-20 Thread james poweraid
Hello, I have a set of Z scores from an N=2 studies and I need to run a meta-analysis across the two Z scores for many N variables. I do not have effect sizes and SEs. I realize there are many different meta analysis packages in R, but I only have Z scores and it seems to me this is limiting. I am