Re: [Scikit-learn-general] RandomForestClassifier w/ IPython.parallel

2014-02-07 15:09 GMT-08:00 Peter Prettenhofer : > Hi Allessandro, > > you might want to look into this presentation by Olivier > https://speakerdeck.com/ogrisel/growing-randomized-trees-in-the-cloud-1 -- > it should be pretty much what you need. Code is here > https://github.com/pydata/pyrallel. I

[Scikit-learn-general] 'shrinkage'/'learning rate' in AdaBoost question

Hi - is there an explicit mathematical statement somewhere of what the 'learning_rate' parameter does in AdaBoost? I can't actually find a formula that makes sense and shows what the difference is when varying the parameter. Or failing that, where in the code does it get applied? Thanks, Th