Programming the statistical procedures from SAS

Non-convergence problems in tetraphoric correlations

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Non-convergence problems in tetraphoric correlations

Hi,

I am trying to conduct factor analyses on binary data, and I know that normal factor analyses cannot be conducted with binary data. When I asked SAS for the tetraphoric correlations, it gives some messages complaining of non-convergence. Does it mean that I cannot conduct factor analyses on my dataset?

Thanks!

Chester

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