In the old days (say, pre-Apple iPhone), you could be cool about your data model. Relatively speaking, there wasn’t that much variety in the data to be had in legacy databases or …
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Which data model will work best for big data?
Standard deviation for normal people
Standard deviation (SD) is a mathematical way of indicating what is normal or what is exceptional. Some people get very creative with the concept. Applications include anything …
The future of business analytics: mobility, collaboration & big data
Imagine a world where business analytics are as common on a manager’s PC or mobile device as, say, word-processing applications. Picture business information nervous systems …
Estimation of mutual information
A measure of association is a function that rates the strength of statistical dependence between two variables. In casual talk, people often express this idea by asserting that …
