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

[davudadiguezel]

Hey Ryan,
thanks for the response.

Unfortunately the program keeps hanging (but not as often as before):

----------------------------

[DEBUG] Point 2 assigned to empty cluster 17.
[INFO ] Cluster 18 is empty.
[DEBUG] Point 3 assigned to empty cluster 18.
[INFO ] KMeans::Cluster(): iteration 1, residual inf.
[INFO ] KMeans::Cluster(): iteration 2, residual 0.197714.
[INFO ] KMeans::Cluster(): iteration 3, residual 0.151819.
[INFO ] KMeans::Cluster(): iteration 4, residual 0.0707789.
[INFO ] KMeans::Cluster(): iteration 5, residual 0.0748019.
[INFO ] KMeans::Cluster(): iteration 6, residual 0.0826282.
[INFO ] KMeans::Cluster(): iteration 7, residual 0.0555508.
[INFO ] KMeans::Cluster(): iteration 8, residual 0.0666275.
[INFO ] KMeans::Cluster(): iteration 9, residual 0.0591785.
[INFO ] KMeans::Cluster(): iteration 10, residual 0.0380067.
[INFO ] KMeans::Cluster(): iteration 11, residual 0.00518312.
[INFO ] KMeans::Cluster(): iteration 12, residual 0.00368832.
[INFO ] KMeans::Cluster(): iteration 13, residual 0.00231247.
[INFO ] KMeans::Cluster(): iteration 14, residual 0.00123067.
[INFO ] KMeans::Cluster(): iteration 15, residual 0.0035152.
[INFO ] KMeans::Cluster(): iteration 16, residual 0.00228494.
[INFO ] KMeans::Cluster(): iteration 17, residual 0.00522757.
[INFO ] KMeans::Cluster(): iteration 18, residual 0.0076554.
[INFO ] KMeans::Cluster(): iteration 19, residual 0.0119473.
[INFO ] KMeans::Cluster(): iteration 20, residual 0.0112805.
[INFO ] KMeans::Cluster(): iteration 21, residual 0.0219611.
[INFO ] KMeans::Cluster(): iteration 22, residual 0.0143273.
[INFO ] KMeans::Cluster(): iteration 23, residual 0.0118793.
[INFO ] KMeans::Cluster(): iteration 24, residual 0.0191215.
[INFO ] KMeans::Cluster(): iteration 25, residual 0.0221008.
[INFO ] KMeans::Cluster(): iteration 26, residual 0.0538075.
[INFO ] KMeans::Cluster(): iteration 27, residual 0.0694079.
[INFO ] KMeans::Cluster(): iteration 28, residual 0.0346496.
[INFO ] KMeans::Cluster(): iteration 29, residual 0.00939849.
[INFO ] KMeans::Cluster(): iteration 30, residual 0.00749252.
[INFO ] KMeans::Cluster(): iteration 31, residual 0.00635273.
[INFO ] KMeans::Cluster(): iteration 32, residual 0.00476996.
[INFO ] KMeans::Cluster(): iteration 33, residual 0.00516157.
[INFO ] KMeans::Cluster(): iteration 34, residual 0.00444851.
[INFO ] KMeans::Cluster(): iteration 35, residual 0.00304399.
[INFO ] KMeans::Cluster(): iteration 36, residual 0.00174719.
[INFO ] KMeans::Cluster(): iteration 37, residual 0.000555867.
[INFO ] KMeans::Cluster(): iteration 38, residual 0.000810098.
[INFO ] KMeans::Cluster(): iteration 39, residual 0.000738585.
[INFO ] KMeans::Cluster(): iteration 40, residual 0.00020829.
[INFO ] KMeans::Cluster(): iteration 41, residual 0.
[INFO ] KMeans::Cluster(): converged after 41 iterations.
[INFO ] 3280000 distance calculations.
[DEBUG] Covariance matrix is not positive definite.  Adding perturbation.
[DEBUG] EMFit::Estimate(): initial clustering log-likelihood: 10098.8
[INFO ] EMFit::Estimate(): iteration 1, log-likelihood 10098.8.
[INFO ] EMFit::Estimate(): iteration 2, log-likelihood inf.
[DEBUG] Covariance matrix is not positive definite.  Adding perturbation.

-------------------------------------------------

Greetings,
Davud


---
Reply to this email directly or view it on GitHub:
https://github.com/mlpack/mlpack/issues/496#issuecomment-171662644
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://mailman.cc.gatech.edu/pipermail/mlpack-git/attachments/20160114/c72b8917/attachment-0001.html>