Re: [Scikit-learn-general] OneClassSVM for the restaurant review prediction

2013-08-07 Thread Terry Peng
any ideas why it not converge? from http://www.csie.ntu.edu.tw/~cjlin/libsvm/faq.html, the author said replacing the Qfloat float with double can help, but it didn't work for me. On Aug 7, 2013, at 9:09 PM, Olivier Grisel wrote: > 2013/8/7 Gael Varoquaux : >> On Wed, Aug 07, 2013 at 03:27:38PM

Re: [Scikit-learn-general] Lasso with output as matrices

2013-08-07 Thread Alexandre Gramfort
hi Lasso and LassoLars support matrices. If you have too many zeros use a smaller alpha or better use LassoCV or LassoLarsCV to set the alpha by cross-validation. The LassoCV and LassoLarsCV do not support matrices though. So use a for loop over the columns of Y. HTH Alex On Wed, Aug 7, 2013 at

Re: [Scikit-learn-general] Release 0.14: tagged and pushed!

2013-08-07 Thread Gilles Louppe
Great! Thank you all for the hard work. The changelog is really impressive :) Gilles On 8 August 2013 01:18, Gael Varoquaux wrote: > Hi Scikiters, > > I have tagged and pushed release 0.14. > > Vlad will build the Windows binaries tomorrow. In the mean time, the 0.14 > tarball is on pypi, but

[Scikit-learn-general] Release 0.14: tagged and pushed!

2013-08-07 Thread Gael Varoquaux
Hi Scikiters, I have tagged and pushed release 0.14. Vlad will build the Windows binaries tomorrow. In the mean time, the 0.14 tarball is on pypi, but I have not hidden the old files for the 0.13. The new website is live! Congratulations everybody who worked on it. The master branch and the de

[Scikit-learn-general] Lasso with output as matrices

2013-08-07 Thread Shishir Pandey
Hi I would like to solve the standard Lasso optimization: (1 / (2 * n_samples)) * ||Y - XW||^2_2 + alpha * ||W||_1 Only difference being that I want to take Y to be a matrix. This would mean that W is also a matrix. Is it a good idea to use the lasso module written in scikit-lea

Re: [Scikit-learn-general] Help with release

2013-08-07 Thread Gael Varoquaux
On Wed, Aug 07, 2013 at 04:20:17PM +0200, Gael Varoquaux wrote: > On Wed, Aug 07, 2013 at 04:18:14PM +0200, Olivier Grisel wrote: > > Maybe we can release 0.14 with windows binaries for Python 2 only and > > fix the Windows + Python 3 issues for a 0.14.1 release? > I am still trying to work around

Re: [Scikit-learn-general] Help with release

2013-08-07 Thread Gael Varoquaux
On Wed, Aug 07, 2013 at 04:18:14PM +0200, Olivier Grisel wrote: > Maybe we can release 0.14 with windows binaries for Python 2 only and > fix the Windows + Python 3 issues for a 0.14.1 release? I am still trying to work around the problem, but indeed... > I would need to download a whole bunch of

Re: [Scikit-learn-general] Help with release

2013-08-07 Thread Olivier Grisel
2013/8/7 Gael Varoquaux : > On Wed, Aug 07, 2013 at 03:44:37PM +0200, Olivier Grisel wrote: >> https://dl.dropboxusercontent.com/u/5743203/sklearn/scikit-learn-0.14a1.win32-py2.7.exe >> (still currently uploading on my 3G tethered internet connection from >> an island in Britany). > > Hum, but the

Re: [Scikit-learn-general] Help with release

2013-08-07 Thread Gael Varoquaux
On Wed, Aug 07, 2013 at 03:44:37PM +0200, Olivier Grisel wrote: > https://dl.dropboxusercontent.com/u/5743203/sklearn/scikit-learn-0.14a1.win32-py2.7.exe > (still currently uploading on my 3G tethered internet connection from > an island in Britany). Hum, but the problem was with Python 3.3 (which

Re: [Scikit-learn-general] Help with release

2013-08-07 Thread Olivier Grisel
I just built a windows installer from the current 0.14.X branch with windows c++ 2008 express on python 2.7 32bit: https://dl.dropboxusercontent.com/u/5743203/sklearn/scikit-learn-0.14a1.win32-py2.7.exe (still currently uploading on my 3G tethered internet connection from an island in Britany). P

Re: [Scikit-learn-general] OneClassSVM for the restaurant review prediction

2013-08-07 Thread Olivier Grisel
2013/8/7 Gael Varoquaux : > On Wed, Aug 07, 2013 at 03:27:38PM +0800, Terry Peng wrote: >> Thanks, but i was using linear kernel. > > I don't really think that using a linear kernel with a OneClassSVM makes > much sens. Do you have a specific intuition or reason to use a linear > kernel? I think i

Re: [Scikit-learn-general] Working at BeatsMusic

2013-08-07 Thread Andreas Mueller
Hey Alex. So if you are using the ML for hiring, I think the least you could do is write a testimonial for us ;) They will soon be featured together with the logo on our frontpage: https://github.com/scikit-learn/scikit-learn/pull/2323#issuecomment-22214484 (actually hey should be up as soon as

Re: [Scikit-learn-general] Help with release

2013-08-07 Thread federico vaggi
I tried yesterday evening to build the current master under Python 3.3 in Windows using Anaconda, but I would get a segfault during one of the tests. I didn't have too much time to investigate, so I suspect it was probably because I hadn't configured my build environment correctly. I'll try to se

[Scikit-learn-general] default params for precision_recall_fscore_support and precision_score

2013-08-07 Thread Bertrand Thirion
Dear all, In the sklearn.metrics module, the precision_recall_fscore_support and precision_score have different default value for the "average" parameter, which seems a bit counterintuitive -- but I did not go deep into the code. Is this really the intended behavior ? def precision_score(y_t

Re: [Scikit-learn-general] Help with release

2013-08-07 Thread Jaques Grobler
> >b. A logo of INRIA (in a sliding carousel is good). Just FYI, I'm doing this one quick 2013/8/6 Andreas Mueller > Hi Gael. > Sorry for the absence. > I had to correct some exams for the last ~10h. > I don't have a windows build environment, so I'm not sure I can be much > help there. T

Re: [Scikit-learn-general] OneClassSVM for the restaurant review prediction

2013-08-07 Thread Gael Varoquaux
On Wed, Aug 07, 2013 at 03:27:38PM +0800, Terry Peng wrote: > Thanks, but i was using linear kernel. I don't really think that using a linear kernel with a OneClassSVM makes much sens. Do you have a specific intuition or reason to use a linear kernel? G --

Re: [Scikit-learn-general] OneClassSVM for the restaurant review prediction

2013-08-07 Thread Terry Peng
Thanks, but i was using linear kernel. However the problem seems due to the OneClassSVM not converged. i.e. the obj = inf and rho is a very very big number if i set the verbose to True and limit the number of the iteration. But from the http://www.csie.ntu.edu.tw/~cjlin/libsvm/faq.html, the lib