Tag Archives: correlation

A Typology of Data Relationships

Nine patterns of three types of relationships that aren’t spurious. When analysts see a large correlation coefficient, they begin speculating about possible reasons. They’ll naturally gravitate toward their initial hypothesis (or preconceived notion) which set them to investigate the data relationship … Continue reading

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Ten Ways Statistical Models Can Break Your Heart

Models are beautiful. The ways their features are combined sets them apart from each other.  Each has its own personality, sometimes pleasant, sometimes not, and often not what you would expect. Here are ten ways your love affair with statistical … Continue reading

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Why You Don’t Always Get the Correlation You Expect

If you’ve ever taken a statistics class on correlation, you’ve probably come to expect that a large value for a correlation coefficient, either positive or negative, means that there is a noteworthy relationship between two phenomena. This is not always … Continue reading

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