What classes are you using and how are you using them? How are you producing the training vectors?
On Wed, Jan 30, 2013 at 4:12 AM, Prabhu <[email protected]> wrote: > Hi all, > > I am trying to use Mahout to run logistic regression analysis on some > data. The data is about 7 Million rows, with about 20 predictor variables > (all of them numeric). The target variable is Boolean - 0 or 1. > > I run a logistic regression with this data on R and I get good > co-efficients > which makes sense. But when I run a logistic regression on the exact same > data using Mahout, I get co-efficients that don't make sense. For a start, > all co-efficients are negative. The interesting thing is that the > co-efficient (from R) for the most important variable (with highest > co-efficient) has the least negative value in Mahout. Can someone please > help me understand what the cause of the problem is? > > > > Thanks > > Prabhu > > > >
