[Scikit-learn-general] [ANN] First Conference Announcement: "Machine-Learning with Real-time & Streaming Applications"

2012-01-30 Thread Fernando Perez
Hi all, while not precisely Python-specific, I hope this will be of interest to some on these lists. We have a great set of speakers from multiple disciplines for what should be a very interesting set of presentations in the conference below; please forward this to colleagues. Cheers, f FIRST

Re: [Scikit-learn-general] Joblib and IPython

2012-01-30 Thread Andreas
Hey folks. I implemented a somewhat trivial solution here: https://github.com/amueller/joblib/tree/ipython_refactoring It can be used like this: https://gist.github.com/1705235 Not sure if this is a good way to do things but it was a very easy way and it works for me ;) You need a working ipytho

Re: [Scikit-learn-general] PCA() as a Classifier?

2012-01-30 Thread Dimitrios Pritsos
On 01/30/2012 03:16 PM, Olivier Grisel wrote: > 2012/1/30 Dimitrios Pritsos: >> So Cross-validation module it seems NOT >> to be appropriet for this Class of Problems. So, I thought that it might >> be useful if an extension for this kind of problems could be added. > I guess you are speaking about

Re: [Scikit-learn-general] Error - SVC for sparse vectors?

2012-01-30 Thread Olivier Grisel
2012/1/30 Mathias Verbeke : > Hi all, > > Yet another question: now I want to do some plotting, for which I used the > code from > http://scikit-learn.org/stable/auto_examples/svm/plot_separating_hyperplane.html#example-svm-plot-separating-hyperplane-py > > but I get the following error: > > > Trac

Re: [Scikit-learn-general] PCA() as a Classifier?

2012-01-30 Thread Dimitrios Pritsos
On 01/30/2012 03:16 PM, Olivier Grisel wrote: > 2012/1/30 Dimitrios Pritsos: >> So Cross-validation module it seems NOT >> to be appropriet for this Class of Problems. So, I thought that it might >> be useful if an extension for this kind of problems could be added. > I guess you are speaking about

Re: [Scikit-learn-general] PCA() as a Classifier?

2012-01-30 Thread Olivier Grisel
2012/1/30 Dimitrios Pritsos : > So Cross-validation module it seems NOT > to be appropriet for this Class of Problems. So, I thought that it might > be useful if an extension for this kind of problems could be added. I guess you are speaking about sklearn.cross_validation.cross_val_score or sklear

Re: [Scikit-learn-general] PCA() as a Classifier?

2012-01-30 Thread Dimitrios Pritsos
On 01/30/2012 01:19 PM, Olivier Grisel wrote: > 2012/1/30 Dimitrios Pritsos: >> Hello, >> >> Still working on Several Aproaches related to AGI (Automated Genre >> Identificaiton). I tried SGD with partila_fit() and it was quite >> impresive that it can Fit a huge amount of date without woring to mu

Re: [Scikit-learn-general] PCA() as a Classifier?

2012-01-30 Thread Olivier Grisel
2012/1/30 Dimitrios Pritsos : > Hello, > > Still working on Several Aproaches related to AGI (Automated Genre > Identificaiton). I tried SGD with partila_fit() and it was quite > impresive that it can Fit a huge amount of date without woring to much > about fitting your data to RAM plus is works fi

Re: [Scikit-learn-general] PCA() as a Classifier?

2012-01-30 Thread Dimitrios Pritsos
Hello, Still working on Several Aproaches related to AGI (Automated Genre Identificaiton). I tried SGD with partila_fit() and it was quite impresive that it can Fit a huge amount of date without woring to much about fitting your data to RAM plus is works fine with PyTables EArray, etc. Now I a

Re: [Scikit-learn-general] Error - SVC for sparse vectors?

2012-01-30 Thread Mathias Verbeke
Hi all, Yet another question: now I want to do some plotting, for which I used the code from http://scikit-learn.org/stable/auto_examples/svm/plot_separating_hyperplane.html#example-svm-plot-separating-hyperplane-py but I get the following error: Traceback (most recent call last): File "./svm_

Re: [Scikit-learn-general] Causes for one class dominating?

2012-01-30 Thread Olivier Grisel
2012/1/29 Michael Waskom : > Aha, this does indeed suggest something strange: > > http://web.mit.edu/mwaskom/www/pca.png > > I'm going to dig into this some more, but I don't really have any > strong intuitions to guide me here so if anything pops out at you from > that do feel free to speak up :)