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.

With bar graphs, there are two different things that the heights of bars commonly represent: 1. The count of cases for each group – typically, each x value represents one group. This is done with stat ...

A dot plot or dot chart consists of data points plotted on a graph. The Federal Reserve uses dot plots to show its predicted interest rate outlook.

See how to style the headlines and axis text in your ggplot graphs with the ggtext package for R ...

Graph designers often try to put too much information in one plot resulting in confusing plots that are difficult to read. Trellis plots often provide the solution to displaying the data clearly.

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 ...

It explains when logarithmic graphs with base 2 are preferred to logarithmic graphs with base 10. It also explains several advantages that dot plots have over bar charts.