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saptarsi goswami
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Questions on Java
Friends , here is my first attempt , the SCJP book by Kathy has given me few questions ,  I would like to enrich it further , but time for a first cut OOPS, Java ·          Is Java compiled or interpreted? ·          How can we declare two public classes in...
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Beyond bars, pie charts and histograms …………
( Was written for the Institute of Engineering and Management 2014 Magazine , put online for better access , specially for my students ) The reference of the popular saying “A picture is worth a thousand
words” goes back to early part of 20 th century. If w...
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saptarsi goswami commented on a post on Blogger.
good one , to add some technical insight we need a mechanism to understand india and indian are from the same lemma or stem :). Also a bi gram word cloud with two words will be nice.  
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Exploratory data analysis on P/E ratio of Indian Stocks
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 ...
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happiness equation !!!!
Who knew that happiness can have
a equation, I was glancing through one of the lectures by   Swami   Sarvapriyananda , he introduced to something called as a happiness equation
, something proposed by Martin Seligman , the father of positive psychology.   T...
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Statistica , very few points
Don’t think I am qualified, but got a chance to interact
with a professional from Statistica and thought of sharing few things about the
tool ·          It has amazing integration with ms suites , may
be something in the cards ·          Import is easy and ...
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Classification using neural net in r
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 traini...
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