The histogram is a data summary that is widely used across science, engineering, finance and other areas. Histograms are often the first thing you look at when exploring a new dataset or problem. You can use them to visualize the distribution, identify outliers and do all sorts of other useful things.1 I don’t remember who taught me this, but histograms are one of the first things to check when debugging a machine learning system. When things go wrong, it’s extremely helpful to have histo...
