Archive for 10/17/2006

statistical graphics 101: Histograms

It’s been too long since the last posting (on barcharts) in the teaching corner. This one will be on histograms. Histograms are often mistaken with barcharts. The fundamental distinction between the two is Barcharts show counts (or weights) for the discrete axis of a categorical variable Histograms show an approximation of the density function (if […]