Re: [Scikit-learn-general] Different results when repeating SVC

2015-01-20 Thread Andy
The code below uses prediction in the roc_auc_score, which is not correct. I don't see where you isolate the splits. Maybe go on the stackoverflow code review site with you full code. If you find the results not reproducible, it is very likely that your two code paths don't match. From the code y

[Scikit-learn-general] Different results when repeating SVC

2015-01-20 Thread Timothy Vivian-Griffiths
Hi Andy, Yes, when I run the cross_val_score using the same seed then the outcomes are the same. So that is all working as expected. However, the problems arise when using the permutation in the code below. When mapping the function across the 500 seeds, I am getting out some very high scores f

Re: [Scikit-learn-general] Different Results when repeating SVC

2015-01-19 Thread Andy
Hi Tim. I think it is highly unlikely that splits are not reproducible, and that this is caused by parallelization. If you run ``cross_val_score`` twice with the same seed, the outcomes are exactly the same, right? How are you trying and failing to reproduce the scores? Best, Andy On 01/19/20

Re: [Scikit-learn-general] Different Results when repeating SVC

2015-01-19 Thread Timothy Vivian-Griffiths
Hi Andy, *This is actually the second time that I sending this reply as I don't think that it got to the mailing list, and I cannot see it in the archives.* Yes, I’m back to receiving the emails now. I noticed that in the previous thread, there was some message about the website being down? But

[Scikit-learn-general] Different Results when repeating SVC + not receiving update emails

2015-01-13 Thread Timothy Vivian-Griffiths
Dear Joel, Thanks for the reply here. Apologies for the later delay, but I have not been receiving the email updates, and I only noticed your reply when I looked on the archive. My problem has now arisen in a smaller dataset with only 125 features (small in genetics) and 7633 samples. Again I