Articles by saptarsi goswami

Exploratory data analysis on P/E ratio of Indian Stocks

March 31, 2014 | 0 Comments

Price Earnings ratio (P/E) is one of the very popular ratios reported with all stocks.  Very simply this is thought as - Current Market Price / Earning per Share.   An operational definition of Earning per Share would be Total profit divided by # of Shares .  I will redirect interested readers for ... [Read more...]

Classification using neural net in r

October 9, 2013 | 0 Comments

This is mostly for my students and myself for future reference.Classification is a supervised task , where we need preclassified data and then on new data , I can predict.Generally we holdout a % from the data available for testing and we call them tra... [Read more...]

Venturing in text mining with ‘R’

October 19, 2012 | 0 Comments

Background:Hello Friends, hope all of you are doing just great.  I decided to create my footprint in the blog space, it comes from my desire to share few very basic steps of text mining, with all of you.  I am neither a nerd, or statistician or an established data ... [Read more...]

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