The key dot plot types are the Cleveland and Wilkinson dot plots. Both utilize dots; however, there are key differences, where Cleveland is akin to a bar graph and Wilkinson is more like a histogram.

Bar graphs have often been investigated, and it is suggested that bars are ideal for discrete comparisons (Pinker, 1990; Tversky et al., 2000; Shah and Freedman, 2009). However, other types of data ...

Apprenez à utiliser ggplot2, un puissant package R pour la visualisation des données, afin de créer et de personnaliser des graphiques à barres avec des données catégorielles.

A dot plot is judged by its position along an axis; in this case, the horizontal or x axis. A bar chart is judged by the length of the bar. I don’t like using lengths with logarithmic scales.

This post recommends using Trellis plots instead of 3D bar charts for three-dimensional (three variable) data. In Winner of the Bad Graph Contest Announced, I promised to present alternatives to ...