The reference is to the web site in general. If anything, this blog is closest: http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.177.3514&rep=rep1&type=pdf
On Mon, Jan 13, 2014 at 1:14 PM, Suneel Marthi <suneel_mar...@yahoo.com>wrote: > I think this is the one. Yes, I don't see this paper referenced in the > code sorry about that. > http://leon.bottou.org/publications/pdf/compstat-2010.pdf > > > > > > > > On Monday, January 13, 2014 3:51 PM, Frank Scholten < > fr...@frankscholten.nl> wrote: > > Do you know which paper it is? He has quite a few publications. I don't see > any mention of one of his papers in the code. I only see > www.eecs.tufts.edu/~dsculley/papers/combined-ranking-and-regression.pdf in > MixedGradient but this is something different. > > > > > On Mon, Jan 13, 2014 at 1:27 PM, Suneel Marthi <suneel_mar...@yahoo.com > >wrote: > > > Mahout's impl is based off of Leon Bottou's paper on this subject. I > > don't gave the link handy but it's referenced in the code or try google > > search > > > > Sent from my iPhone > > > > > On Jan 13, 2014, at 7:14 AM, Frank Scholten <fr...@frankscholten.nl> > > wrote: > > > > > > Hi, > > > > > > I followed the Coursera Machine Learning course quite a while ago and I > > am > > > trying to find out how Mahout implements the Logistic Regression cost > > > function in the code surrounding AbstractOnlineLogisticRegression. > > > > > > I am looking at the train method in AbstractOnlineLogisticRegression > and > > I > > > see online gradient descent step where the beta matrix is updated but > to > > me > > > its unclear how matches with the cost function described at: > > > http://www.holehouse.org/mlclass/06_Logistic_Regression.html > > > > > > Perhaps Mahout uses an optimized approach for that does not directly > map > > > into the formula at that link? > > > > > > Cheers, > > > > > > Frank > > >
