Plot Counts of Variable Levels | JMP 13.2

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Essential Graphing • Summary Charts • Additional Examples of the Chart Platform • Plot Counts of Variable Levels

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Plot Counts of Variable Levels

If you assign one or two X variables without specifying any Y variables, JMP produces bar charts that show counts for each level of the X variables.

1.

Select Help > Sample Data Library and open Companies.jmp.

2.

Select Graph > Chart.

3.

Select Size Co and click Categories, X, Levels.

4.

The bar chart in Example of a Chart with one Category and no Statistics shows a bar for each level of the Size Co variable.

Example of a Chart with one Category and no Statistics

Two X Variables

If you specify two X variables (with no statistics variables), JMP divides the data into groups based on the levels in the two X variables and plots the number of members in each group.

1.

Select Help > Sample Data Library and open Companies.jmp.

2.

Select Graph > Chart.

3.

Select Type and click Categories, X, Levels.

4.

Select Size Co and click Categories, X, Levels.

The order that you assign these variables is important. The levels of the second variable are nested within the levels of the first variable.

5.

The bar chart on the left in Examples of Charts with Two Categories and No Statistics shows the levels for the size of computer companies and of pharmaceutical companies. The bar chart on the right shows the results if you first selected Size Co and then Type as category variables.

Examples of Charts with Two Categories and No Statistics

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Help created on 9/19/2017