Analytic bar graphs/charts
by(wanga aron, for R and python sessions email harronjobswanga@gmail.com) ANALYTIC BAR GRAPHS In most statistical or data analysis projects there is no single one that I haven’t used a bar graph especially when I compare trends or different grouped data. There is this old saying that goes “pictures speak louder than words”. That is exactly what statistical charts do. Definition: A bar graph is the representation of grouped data in rectangular bars with the height of the bars being proportional to the frequency or measurement under consideration. The width of the bars of different categories are usually equal. Types of bar graphs · Horizontal bar graph · . Vertical bar graph · Grouped bar graph · . Stacked bar graph Example: When comparing the performance of male and female candidates in an examination the following table ...