Hi Mike and all,I'm a new learner of meta-analysis and just try to use metaSEM.My dataset comprises 90 sets of 19*19 correlation matrix and every one contains some missing values. I'm trying to estimate a TSSEM model but encounter a problem in the first stage.After loading all the 90 matrices, I use "is.pd" to check if they are positive definite, and the results are all "TRUE". When I use "tssem1(my.R, n, method="FEM"), it returns an error message saying that "Error in eigen(if (doDykstra) R…See More
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