Buy the book "mahout in action". It gives u an in-depth knowledge of how classification is done in mahout. I dont know any tutorial links but you can start with downloading the source code and examining the example code for classification. But I really recommend the book since you are a new user.
Sent from my iPhone On 1 Sep 2012, at 13:03, Paritosh Ranjan <pran...@xebia.com> wrote: > Even I am a novice at Mahout Classification, still I will try to give it > a shot in hope that someone will correct me or improve the answer. > > First thing, the text data ( tweets ) would need conversion into > Vectors. In Mahout terms, this is known as vector encoding. This can be > done into three ways (one Vector cell > per word, category, or continuous value, Represent Vectors implicitly as > bags of words, or feature hashing). > > Look for ContinuousValueEncoder, AdaptiveWordValueEncoder, > StaticWordValueEncoder and FeatureVectorEncoder classes or seqdirectory, > seq2encoded commands. > > Then you can use OnlineLogisticRegression, CrossFoldLearner and > AdaptiveLogisticRegression classes or trainnb, testnb, trainlogistic, > runlogistic, trainAdaptiveLogistic, validateAdaptiveLogistic, > runAdaptiveLogistic commands for configuring classification algorithms. > > HTH, > Paritosh > > On 01-09-2012 15:24, Siddharth Tiwari wrote: >> Hi Users, >> >> I am novice at using Mahout. Can anybody guide me at how can I use Mahout >> for classifying text into differen classes. In my case its 5 classes and the >> text is tweets. I mean if there is any tutorial on how to create training >> model for mahout and how to use it for training and then how we give the >> dataset for classification ( how we make it compatible for mahout ), then >> after the classification how to infer the output etc. >> I am sorry if my questions seem dumb, but its only because I have very >> little knowledge about mahout and I am trying to get grip on it. Thank you >> so much >> >> *------------------------* >> >> Cheers !!! >> >> Siddharth Tiwari >> >> Have a refreshing day !!! >> "Every duty is holy, and devotion to duty is the highest form of worship of >> God.” >> >> "Maybe other people will try to limit me but I don't limit myself" >> > >
