[mlpack-git] [mlpack] hmm_train failed to converge (#496)

davudadiguezel notifications at github.com
Tue Jan 19 08:39:26 EST 2016


I just experienced another crash. This time I had split up my data by dimension, but it got stuck in an endless loop like before:

[INFO ] EMFit::Estimate(): iteration 23, log-likelihood 13842.8.
[DEBUG] Covariance matrix is not positive definite.  Adding perturbation.
[DEBUG] Covariance matrix is not positive definite.  Adding perturbation.
[DEBUG] Covariance matrix is not positive definite.  Adding perturbation.
[DEBUG] Covariance matrix is not positive definite.  Adding perturbation.
[INFO ] EMFit::Estimate(): iteration 24, log-likelihood inf.
[DEBUG] Covariance matrix is not positive definite.  Adding perturbation.
[DEBUG] Covariance matrix is not positive definite.  Adding perturbation.
[DEBUG] Covariance matrix is not positive definite.  Adding perturbation.
[DEBUG] Covariance matrix is not positive definite.  Adding perturbation.


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Reply to this email directly or view it on GitHub:
https://github.com/mlpack/mlpack/issues/496#issuecomment-172857081
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