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Andrei Macsin's Blog – March 2015 Archive (3)

Correlation and R-Squared for Big Data

Guest blog post by Vincent Granville

With big data, one sometimes has to compute correlations involving thousands of buckets of paired observations or time series. For instance a data bucket corresponds to a node in a decision tree, a customer segment, or a subset of observations having the same multivariate feature.…

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Added by Andrei Macsin on March 24, 2015 at 3:35pm — No Comments

BI vs. Big Data vs. Data Analytics By Example

Guest blog post Fari Payandeh

I know that not everyone will agree with my definition of Business Intelligence, but my objective is to simplify things; there is enough confusion out there. Besides, who is the authority on a…

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Added by Andrei Macsin on March 11, 2015 at 12:44am — No Comments

Big data sets available for free

Guest blog post by Vincent Granville

A few data sets are accessible from our data science apprenticeship web page.…

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Added by Andrei Macsin on March 2, 2015 at 1:59pm — No Comments

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