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Vincent Granville's Blog Posts Tagged 'Visualization' (2)

How to detect a pattern? Problem and solution.

Check the three charts below: only one shows no pattern and is truly random. Which one?

Chart #1

 

Chart #2

 …

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Added by Vincent Granville on December 2, 2011 at 8:38am — No Comments

Classification accuracy using different bag of words

In this post I show how the accuracy of the classifier is influenced by the bag of words. 

The test has been done on a naive classifier but it returns good information about the data set.

http://textanddatamining.blogspot.com/

The above image is an example of the bag of words used in…

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Added by Vincent Granville on December 2, 2011 at 8:36am — No Comments

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