Re: [Scikit-learn-general] motivation for the lib, why re-implement existing stuff

2011-12-03 Thread Denis Kochedykov
Hi Olivier, Thanks for comments! So, summarizing, sklearn versus Orange is: - use plain arrays instead of classes for storing data-sets, features, etc - use BSD rather than GPL license - no framework, plain library of methods If I got it right, seems like creating sklearn was not a question of

Re: [Scikit-learn-general] Hyperparameter optimization

2011-12-03 Thread Alexandre Passos
On Sat, Dec 3, 2011 at 10:25, Gael Varoquaux wrote: > On Sat, Dec 03, 2011 at 12:32:59PM +0100, Olivier Grisel wrote: >> Alexandre has a new blog post about this with simple python snippet >> using sklearn GuassianProcess: > >>   http://atpassos.posterous.com/bayesian-optimization > > That's prett

Re: [Scikit-learn-general] Hyperparameter optimization

2011-12-03 Thread Gael Varoquaux
On Sat, Dec 03, 2011 at 12:32:59PM +0100, Olivier Grisel wrote: > Alexandre has a new blog post about this with simple python snippet > using sklearn GuassianProcess: > http://atpassos.posterous.com/bayesian-optimization That's pretty cool. If Alexandre agrees, this code could definitely serve

Re: [Scikit-learn-general] Demo DBSCAN

2011-12-03 Thread Olivier Grisel
2011/12/2 María Helena Mejía Salazar : > Hi, > > I modified a little bit the program of demo dbscan (plot_dbscan.py).  I am > using just distance (no similarities) and I am having bad results. There are > just 5 points, I changed  the eps as the minimum distance between  the > points and the number

Re: [Scikit-learn-general] metrics.adjusted_mutual_info_score method and metrics.silhouette_score don't exist.

2011-12-03 Thread Olivier Grisel
Also if you have multiple scikit-learn installation in your system, you can always check which one is active in python PYTHONPATH with: python -c "import sklearn; print sklearn.__path__" -- Olivier -- All the data con

Re: [Scikit-learn-general] Hyperparameter optimization

2011-12-03 Thread Olivier Grisel
2011/12/3 Gael Varoquaux : > On Sat, Nov 19, 2011 at 09:15:43PM -0500, James Bergstra wrote: > > thinking about this for quite a while. I am thrilled to know that it > actually works, and would be _very_ interested about having this in the > scikit. Let's discuss it at the sprints. Alexandre has a

Re: [Scikit-learn-general] motivation for the lib, why re-implement existing stuff

2011-12-03 Thread Mathieu Blondel
On Sat, Dec 3, 2011 at 8:14 PM, Olivier Grisel wrote: > Also on a more trivial perspective, I like working on github using > pull-request based reviews as the main inter-developer communication > medium for code contributions. svn is such a pain once you tasted a > decentralized tool like git or

Re: [Scikit-learn-general] motivation for the lib, why re-implement existing stuff

2011-12-03 Thread Olivier Grisel
2011/12/3 Denis Kochedykov : > Hi all, > > I'm looking for an ML library for Python for our research team. I found > a quite comprehensive one - Orange - and a relatively new one - > scikits.learn. > Orange definitely look good given the number of methods implemented in > it, maturity and its GUI a