Learn about the negative correlation coefficient, its significance, comparison with other coefficients, and real-world ...

Stock prices and corporate earnings move closely together over long horizons, a relationship confirmed by more than a century ...

In the first quarter of 2013, the stock of big data has experienced sudden declines followed by sporadic bouts of enthusiasm. The volatility—a new big data “V”—continues this month and Ted Cuzzillo ...

In the first case, there is a strong upward-sloping relationship between X and Y; in the second case, no apparent relationship; in the third case, a strong downward-sloping relationship. Note the ...

We talked last week about AIMA's research on what Managed Futures can do for your portfolio. But the paper is full of other interesting data and charts that we didn't get to cover our first time round ...

Plotting order statistics versus some variant of the normal scores is a standard graphical technique for assessing the assumption of normality. To obtain an objective evaluation of the normal ...

Forbes contributors publish independent expert analyses and insights. Korok Ray is a PhD economist/professor who researches/teaches Bitcoin. Strategy, formerly known as MicroStrategy, is the largest ...