Re: Logistic Regression cost function

2014-01-14 Thread Frank Scholten
...@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

Re: Logistic Regression cost function

2014-01-14 Thread Ted Dunning
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

Logistic Regression cost function

2014-01-13 Thread Frank Scholten
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

Re: Logistic Regression cost function

2014-01-13 Thread Suneel Marthi
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

Re: Logistic Regression cost function

2014-01-13 Thread Frank Scholten
, 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

RE: Logistic Regression cost function

2014-01-13 Thread Tim Smith
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

Re: Logistic Regression cost function

2014-01-13 Thread Ted Dunning
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

Re: Logistic Regression cost function

2014-01-13 Thread Suneel Marthi
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

Re: Logistic Regression cost function

2014-01-13 Thread Suneel Marthi
: Mon, 13 Jan 2014 20:58:28 +0100 Subject: Re: Logistic Regression cost function From: fr...@frankscholten.nl To: user@mahout.apache.org 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

Re: Logistic Regression cost function

2014-01-13 Thread Ted Dunning
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

Re: Logistic Regression cost function

2014-01-13 Thread Frank Scholten
, 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