Let’s look at what correlation means in terms of the relationship between variables. Although our focus will be on positive ...

Years ago, our firm employed a junior investment analyst who left us for supposedly greener pastures. In his exit interview, he told me he was leaving in part because he was great at picking ...

The Journal of the Operational Research Society, Vol. 60, No. 12 (Dec., 2009), pp. 1775-1785 (11 pages) The research on efficiency valuations has used two distinct approaches. One is the nonparametric ...

Looking to establish relationships in your data? Regression analysis can help. Machine learning can be a gateway to improved pattern recognition in your data. But to walk through that gateway, ...