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Tukey HSD Quantile in JMP

Sep 8, 2010 11:57 PM
(1469 views)

I am giving same command in SAS and JMP but getting different results.

This is to find Tukey HSD quantile.

**BASE SAS command: ** Output

qa = probmc("range", . , 0.95, 2, 2); 6.0848698

qb = probmc("range", . , 0.95, 20, 6); 4.4452367

**JMP scripting command (JSL)**

qa = Tukey HSD Quantile(0.95, 2, 2); 4.30264639

qb = Tukey HSD Quantile(0.95, 6, 20); 3.14325822

Can someone tell about this?

This is to find Tukey HSD quantile.

qa = probmc("range", . , 0.95, 2, 2); 6.0848698

qb = probmc("range", . , 0.95, 20, 6); 4.4452367

qa = Tukey HSD Quantile(0.95, 2, 2); 4.30264639

qb = Tukey HSD Quantile(0.95, 6, 20); 3.14325822

Can someone tell about this?

2 REPLIES 2

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Re: Tukey HSD Quantile in JMP

The JMP Tukey HSD Quantile is the SAS probmc / sqrt(2).

It is the same as the q* shown when you choose Tukey HSD in Fit Y by X.

For example 4.30264639 = 6.0848698 / sqrt(2).

It is the same as the q* shown when you choose Tukey HSD in Fit Y by X.

For example 4.30264639 = 6.0848698 / sqrt(2).

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Re: Tukey HSD Quantile in JMP

why we have to devided by sqrt(2)? which one is correct?