Answer :

Geom_bar() makes the height of the bar proportional to the number of cases in each group (or if the weight aesthetic is supplied, the sum of the weights).

What is Bar Chart?

A set of categorical data can be summarized using a bar chart (continuous data can be made categorical by auto-binning). The bar chart uses several bars to illustrate data, with each bar denoting a distinct category.

The visual display of data (often grouped) in the shape of vertical or horizontal rectangular bars, with the length of the bars corresponding to the measure of the data, is called a bar graph. Bar charts are another name for them. One tool used in statistics for processing data is the bar graph.

Information is graphically represented in a bar graph. To represent value, it makes use of bars that stretch to various heights. Vertical bars, horizontal bars, and grouped bars can all be used to construct bar graphs.

To learn more about of bar chart is refer to:

https://brainly.com/question/29022643

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