The Data Science Lab Binary Classification Using a scikit Decision Tree Dr. James McCaffrey of Microsoft Research says decision trees are useful for relatively small datasets and when the trained ...

This is one of my pet little bugbears, the statistics that people use to measure poverty and inequality in the US. For the numbers that people tend to throw around are extraordinarily misleading. They ...

A decision tree can help you make tough choices between different paths and outcomes, but only if you evaluate the model correctly. Decision trees are graphic models of possible decisions and all ...

Traditional metrics like the Gini Index and U-3 unemployment rate understate true economic inequality and labor market weakness. Growing wealth inequality and understated unemployment threaten ...