Grid Search for Email Classification

As continued from the Supervised Classification Post, we have been running grid search on the email classification algorithm varying Gamma and C.  The result are as below. Each column represents a Gamma value and each row represents a C value. The value of the internal grids themselves are error rate percentage for the given value of Continue reading Grid Search for Email Classification

Learning to data crunch – My foray in Machine Learning

Those who know me well would have known that I had taken a break from my job for my pregnancy and am now enjoying my son’s company.   But my hands itched to code and to create. I have been fleshing out my pet project and experimenting in crawling and natural langauge processing.  The project Continue reading Learning to data crunch – My foray in Machine Learning

Email Classification – Supervised Learning

Background:  Learning to Data Crunch. The first challenge I set for myself was email classification. While spam classification might seem like beating a dead horse. some of my reasons for choosing it is as below It had to be based on text processing as that what is most of my personal projects are based on. Continue reading Email Classification – Supervised Learning

iTunes on Linux Mint – TunesViewer

Well, the title is kinda misleading, as no one has yet produced a satisfactorily working installation of iTunes on Linux not even with wine.  I tried, and failed.  To put it in context, a few days back I came across the article “Harvard Statistics 110: Introduction to Probability, on iTunes”  on Hacker News.   I was looking at Continue reading iTunes on Linux Mint – TunesViewer

Coreference Resolution Tools : A First Look

Coreference is where two or more noun phrases refer to the same entity.   This is an integral part of natural languages to avoid repetition, demonstrate possession/relation etc. Eg:  Harry wouldn’t bother to read “Hogwarts: A History” as long as Hermione is around.  He knows she knows the book by heart. The different types of coreference Continue reading Coreference Resolution Tools : A First Look