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Tools for Those Who Summarize the Evidence Base

Resources and networking for those who conduct or interpret meta-analyses related to any phenomenon that is gauged in multiple studies.

Eleanor Zhai
  • Perth, WA
  • Australia
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Eleanor Zhai added a discussion to the group Meta-analytic structural equation modeling

Problem in "tssem1"

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
Feb 21
Eleanor Zhai joined Mike Cheung's group

Meta-analytic structural equation modeling

A technique to synthesizing correlation/covariance matrices for the purpose of fitting structural equation models.
Sep 8, 2017
Eleanor Zhai is now a member of Meta-Analysis Resources
Sep 8, 2017

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At 3:36am on February 19, 2018, Sophie Reyer said…

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