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- Re: Questions about Pareto Plot of Estimates

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2 weeks ago
(254 views)

Dear community,

I have three short questions about Pareto Plot of Estimates.

1. How is t Ratio calculated?

2. How can I interpret t Ratio?

3. The solid black line is cumulative of t Ratio; however, how can I interpret this line?

Thank you!

9 REPLIES

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2 weeks ago
(243 views)

1. t ratio is the parameter estimate/ standard error of the parameter estimate.

2. t ratio is but one 'statistic' that can be used to evaluate the significance level of a given parameter estimate.

3. The curve is just the sum of the absolute values of the t ratio, it's main purpose is to give you an idea of the relative explanatory power of each estimate wrt to the others.

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2 weeks ago
(236 views)

Thank you for your reply.

Is it possible to change from t-ratio to estimated effect instead?

Sincerely,

TK

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2 weeks ago
(234 views)

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2 weeks ago
(225 views)

Dan Obermiller

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2 weeks ago
(217 views)

I understand your points. However, are there any ways that I can see let say which parameter has the greatest effect?

Sincerely,

TK

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2 weeks ago
(191 views)

The Pareto Plot is one of the ways to assess statistical significance and decide which effects are not null. Examine the Parameter Estimates for importance. If the experiment was designed by JMP, then JMP saved a column property for each of the continuous factors called Coding. The estimates are based on the coded levels of the continuous and categorical factors. The estimates can be used directly to assess the magnitude of their associated effect.

Learn it once, use it forever!

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2 weeks ago
(190 views)

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2 weeks ago
(187 views)

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2 weeks ago
(160 views)

Thank you for a very good effects plot.

Would it be possible to know which equation you use to calculate effects?

Sincerely,

TK