WLS acov matrices can have zero but not negative eigenvalues.
authormhunter <mhunter@df83fd30-4cca-4c36-ab9d-e8b5583ccbd1>
Thu, 27 Mar 2014 15:50:14 +0000 (15:50 +0000)
committermhunter <mhunter@df83fd30-4cca-4c36-ab9d-e8b5583ccbd1>
Thu, 27 Mar 2014 15:50:14 +0000 (15:50 +0000)
commit66586525c354738e845c759003fa23355db0e204
tree02a0752ab2b4b5bfe34f5c1a6a2c63228b24ce81
parentbe350a0a5bff76cf1df8646d6c285f33cc93951f
WLS acov matrices can have zero but not negative eigenvalues.

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R/MxData.R