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Number of points in a Variability chart

Jun 20, 2019 7:43 AM
(2714 views)

I have a standard Variabilty chart, and I woiuld like to somehow see the number of points in each group. Is there a way to do this?

6 REPLIES 6

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Re: Number of points in a Variability chart

Under the menu there is the 'Variability Summary' which gives you the summary statistics and also at the end the number of observations per subgroup - so if you have 5 x-axis levels you will get a cluster for each nested level set.

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Re: Number of points in a Variability chart

I was hoping to display the number of points on the chart, similar to "Show Counts" on a histogram.

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Re: Number of points in a Variability chart

You should submit this request to the JMP Wish List

Jim

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Re: Number of points in a Variability chart

If you don't need to do variability charts specifically, you can do similar stuff in graph builder.

```
Names default to here(1);
dt = open("$SAMPLE_DATA\Big Class.jmp");
dt << Graph Builder(
Size( 528, 454 ),
Show Control Panel( 0 ),
X Group Edge( "Bottom" ),
Variables( Y( :height ), Group X( :age ), Group X( :sex ) ),
Elements(
Points( Y, Legend( 10 ) ),
Caption Box( Y, Legend( 9 ), Summary Statistic( "N" ) ),
Box Plot( Y, Legend( 11 ) )
)
);
```

Vince Faller - Predictum

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And to follow on Vince's excellent suggestion, if you do it in Graph Builder without the script, you can simply Add-.Caption Box, and in the Control Panel under Summary Statistic, the top item is N.

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Re: Number of points in a Variability chart

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Re: Number of points in a Variability chart

Thanks for all the helpful answers!

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