I think bar plot only 1 bar is rare.
By the way, bar plot with more than 2 bars is thought as the easiest type of
Bar plot is very simple and known by everyone. So it is useful tool for presentation.
Histogram is the graph of frequency data of 1-dimension data.
In this meaning, bar plot is the graph of frequency data of 0-dimension data.
Pareto Chart is used in Quality study and Management study .
It is stratidied qrequency bar plot in descending order.
NEXT Graphs of 1-Dimension DisributionTweet