Re: [Scikit-learn-general] any obvious ideas for following test failures on armel and mipsel?

2012-07-03 Thread Yaroslav Halchenko
On Tue, 03 Jul 2012, Olivier Grisel wrote: > 2012/7/2 Yaroslav Halchenko : > > Just now spotted that sklearn hasn't migrated to wheezy yet because of > > Tail of log for scikit-learn on armel: > > Traceback (most recent call last): > > File "/usr/lib/python2.7/dist-packages/nose/case.py", lin

[Scikit-learn-general] IDF formula

2012-07-03 Thread Frédérique Passot
Hi, I am trying to use TFIDF weighting to extract significant keywords from a corpus of texts (and later to compute cosine similarity between texts). For testing purposes, I am not doing any stopword filtering prior to vectorizing my data. I am consistently getting unexpected results, with the

Re: [Scikit-learn-general] Astronomy Tutorial

2012-07-03 Thread Stéfan van der Walt
Hi Jake On Tue, Jul 3, 2012 at 12:24 PM, Jake Vanderplas wrote: > 3) Currently the exercises follow the format that Olivier set up in his > tutorials, with a "skeleton" and a "solution" for each example script. > On Fernando's suggestion, I'd like to move to using ipython notebooks > for these ex

[Scikit-learn-general] Astronomy Tutorial

2012-07-03 Thread Jake Vanderplas
Hi folks, I turned in the first draft of my PhD thesis yesterday, so I finally have the time to address my long to-do list for scikit-learn! I'll be starting with finishing up my tutorial on machine learning for Astronomy [1]. First of all, lots of thanks to Jaques for doing a close read-thro

[Scikit-learn-general] New blog post / tutorial on using scikit-learn random forests on a kaggle challenge dataset

2012-07-03 Thread Olivier Grisel
Live from twitter: http://blog.kaggle.com/2012/07/02/up-and-running-with-python-my-first-kaggle-entry/ http://blog.untrod.com/2012/07/getting-started-with-python-for-data.html (same blog post cross posted) Congrats to the tree growers for their amazing work on the tree and ensemble modules. --

Re: [Scikit-learn-general] any obvious ideas for following test failures on armel and mipsel?

2012-07-03 Thread Olivier Grisel
2012/7/2 Yaroslav Halchenko : > Just now spotted that sklearn hasn't migrated to wheezy yet because of > > Tail of log for scikit-learn on armel: > > Traceback (most recent call last): > File "/usr/lib/python2.7/dist-packages/nose/case.py", line 197, in runTest > self.test(*self.arg) > File

Re: [Scikit-learn-general] Unbale to import RomanPreprocessor

2012-07-03 Thread Olivier Grisel
2012/7/2 Rupinder Paul : > Hi, > > I just easy_install'ed sklearn -- everything went ok...ran tests > throught nose. So I am trying one of text classifications tutorials. > > I am in python command line mode..and when I write "from > sklearn.feature_extraction.text import RomanPreprocessor" ..I g