Hallo to all, i am new to SAS, i am trying to program paule mandel estimator to calculate the pooled effect size of random-effects model for meta-analysis and the between study variance (tau^2). I have done it in Excel, but i am new to SAS, i am tryring to implement it through proc optmodel. In the attachments SAS code, excel file contains the calculations. the paper of paule mandel( to optimise are equations (1, 3, 6 and 7). Thank you very much for help
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