cholesky decomposition error in analysis notebook template

qPharmetra / qpToolkit

Tools for population PK modeling, visualization, and reporting

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cholesky decomposition error in analysis notebook template #69

Open bergsmat opened 4 years ago

bergsmat commented 4 years ago

coveffs.l=nm.process.coveffects(
eqs,covs.info,data.frame(params.l),xpose.df, + 
make.symmetric(unlist(tmp$omega),triangle = "lower")) 

Error in chol.default(sigma) :    the leading minor of order 2 is not positive definite