Example of the Chart Platform | JMP 13.2

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Essential Graphing • Summary Charts • Example of the Chart Platform

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Example of the Chart Platform

Here is a simple example that shows how to plot the mean height of students based on their age group.

1.

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

2.

Select Graph > Chart.

3.

Select height and click Statistics.

4.

Select Mean from the menu of statistics.

5.

Select age and click Categories, X, Levels.

The Completed Chart Launch Window

6.

Mean of height by age

This bar chart shows the following:

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The mean height of the students in this class increases with age.

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The largest increase occurs at the earliest ages.

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The mean changes very little for the older students.

You might expect the change of the mean height to be different for males and females.

7.

From the red triangle menu for Chart, select Redo > Relaunch Analysis.

The Chart launch window appears, already filled out for you. If you clicked OK now, you would see a duplicate of the chart you already have.

8.

Open the Additional Roles outline.

9.

Select sex and click Grouping.

10.

Mean of height by age and Grouped by sex

These two bar charts confirm your assumption. The mean of height for girls in the class rises early and then remains stable. The mean of height for boys rises more dramatically overall, and also continues to increase at later ages.

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Help created on 9/19/2017