Category Archives: Math

You know..numbers and symbols and stuff.

Finding a Forex Trading Edge in 3 Steps

Greetings all! This is the text of an article I wrote last week. It’s the first of a planned series.   Finding a Trading Edge in 3 Steps In his excellent “Market Wizards” book series, Jack Schwager said, “There are … Continue reading

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Correlation is not causation

School children with larger feet score higher on standard tests. This is an old example in science and statistics, but if you’re not familiar with it, know this: It’s true. If you were to make a scatterplot of shoe size … Continue reading

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Levels of Measurement

A basic issue in research involves classifying the type of data with which we’re working.  The most common way to do this was developed by a psychologist named Stanley Smith Stevens in 1946 (and if that’s not true, I blame … Continue reading

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