waiting for the replay sir .
On Tue, Apr 22, 2014 at 7:13 PM, Darshan Sonagara < [email protected]> wrote: > Thnks for the Replay sir, > > actually i am doing clustering for gathering similar king of document in > same cluster as much as possible. > i can see from output file by cluster dump by observing top term. > i also figure out that by varying Distance Measure Technique. it differs. > but i want some mathematical prof that it is better then other technique. > so for that i need to calculate Entropy and pureness of cluster. > but i am not able to find any command in mahout which can give me entropy > as a result. > i found Entropy.java under mahout common math statistic package. but i > don't what should i give it as input so that i can find entropy or other > parameter. so i can find how much cluster is good or bed. > > > > On Tue, Apr 22, 2014 at 7:01 PM, Ted Dunning <[email protected]>wrote: > >> On Tue, Apr 22, 2014 at 12:11 AM, Darshan Sonagara < >> [email protected]> wrote: >> >> > But the problem is that i want check that whether my clustering is good >> or >> > bad. so for that i need to calculate Entropy Value. I am not having any >> > idea how to calculate entropy in mahout or by other technique. >> > by finding entropy i can have good conclusion. >> > so please can anyone help me with these. >> > >> >> Actually, the way to tell whether your clustering is good is to see if it >> works for its intended use. >> >> What do you want to use clustering for? >> > > > > -- > > *Regards From:* > > *Darshan Sonagara* > *Collaborative Platform lead,** SSN Team | Gujarat Section.* > > *Vice-Chairperson | **GCET IEEE SB.* > > (: +*91* 9408002452 > > > > : Darshan Sonagara<http://www.linkedin.com/pub/darshan-sonagara/64/11a/b54> > : Darshan Sonagara <http://www.facebook.com/darshansonagara> > > -- *Regards From:* *Darshan Sonagara* *Collaborative Platform lead,** SSN Team | Gujarat Section.* *Vice-Chairperson | **GCET IEEE SB.* (: +*91* 9408002452 : Darshan Sonagara<http://www.linkedin.com/pub/darshan-sonagara/64/11a/b54> : Darshan Sonagara <http://www.facebook.com/darshansonagara>
