Frequency tables are often constructed on intervals of irregular width. When plotted as bar charts, the underlying true density information may be quite distorted. The majority of introductory ...

Pareto charts and histograms, while both visual tools used to represent data, serve distinct purposes and are not the same.

A reader need go no further than page two of Leland Wilkinson’s The Grammar of Graphics before reading, “We will also come to realize why a histogram is not a bar chart and why many other graphics ...

We consider the problem of efficiently estimating multivariate densities and their modes for moderate dimensions and an abundance of data. We propose polynomial histograms to solve this estimation ...