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How does JMP perform Group X function in Graph Builder?

Created:
Mar 8, 2016 11:38 AM
| Last Modified: Oct 18, 2016 7:06 PM
(5010 views)

I am curious how JMP organizes data with the Group X function. For this example:

- Temperature is X axis
- Y is Y axis
- Condition is used for overlay
- Measurement is used in Group X

Does JMP simply create groups based on the number of data points?

5 REPLIES 5

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Re: How does JMP perform Group X function in Graph Builder?

because your X grouping column is continuous JMP divides the groupings into equal number groups. If the column was ordinal or nominal it would create a grouping for each value found for the column.

Jim

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Re: How does JMP perform Group X function in Graph Builder?

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Re: How does JMP perform Group X function in Graph Builder?

Created:
Mar 9, 2016 5:39 AM
| Last Modified: Oct 18, 2016 7:06 PM
(4867 views)
| Posted in reply to message from robbob 03-08-2016

For a continuous column in either the Group X or Group Y role, JMP uses quantiles to divide the data into 5 groups.

As Ian@JMP points out, you can right click on the grouping variable label and select Number of Levels to change how many groups are created (still based on quantiles).

-Jeff

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Re: How does JMP perform Group X function in Graph Builder?

Does it use quantiles to divide the data or simply put equal amounts of data into each group?

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Re: How does JMP perform Group X function in Graph Builder?

It uses quantiles.

-Jeff

-Jeff

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