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- How to run ANOVA for 3 factorial design with RCBD (reps nested within)?

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Feb 8, 2017 12:26 PM
(2362 views)

I am not sure if I have a claer title, but I am trying to run the ANOVA and F test on the yields with three factors: 10 ENTRIES, 2 LOCATIONS, 2 YEARS. I have 3 Reps for all 10 ENTRIES assigned in the field as RCBD design in each LOCATION and each YEAR. How do I nest the replcation within LOCATION, YEAR? whould I nest it in Rep ( LOCATION*YEAR) as well?

Thank you

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You do not need to nest the replication. Your treatments are crossed as far as I can tell. JMP will automatically use the replicates to estimate the errors.

Select **Analyze** > **Fit Model**. Select the factor columns on the left. Note that **Degree** is equal to 2 by default. Click **Macros** and select **Factorial to degree**. This macro will add the terms for the main effects and all two-factor interaction effects.

You can save this model as a script to the data table so you can use it again with one click and without this set up. Click the red triangle at the top left and select **Save to Data Table**.

Now click **Run**.

Learn it once, use it forever!

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Yes, the macros are a convenient way to include a variety of terms made with the selected columns. Your RBCD design may not support the estimation of every term in the full factorial model, but give it a try!

If you have the data to support it and you want to try quadratic terms, you can use the **Polynomial to degree** macro or the **RSM **macro. The RSM macro is a short cut that gives you both the interactions and the powers up to degree 2.

Of course powers are possible only for continuous factors.

Learn it once, use it forever!

4 REPLIES 4

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You do not need to nest the replication. Your treatments are crossed as far as I can tell. JMP will automatically use the replicates to estimate the errors.

Select **Analyze** > **Fit Model**. Select the factor columns on the left. Note that **Degree** is equal to 2 by default. Click **Macros** and select **Factorial to degree**. This macro will add the terms for the main effects and all two-factor interaction effects.

You can save this model as a script to the data table so you can use it again with one click and without this set up. Click the red triangle at the top left and select **Save to Data Table**.

Now click **Run**.

Learn it once, use it forever!

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Re: How to run ANOVA for 3 factorial design with RCBD (reps nested within)?

Hello

Is this the same with** Full Factorial** in the **Macro** option if I want to see all kinds of combination effects with **Year**, **Location**, and **Entry**?

Thank you!!

Juno

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Yes, the macros are a convenient way to include a variety of terms made with the selected columns. Your RBCD design may not support the estimation of every term in the full factorial model, but give it a try!

If you have the data to support it and you want to try quadratic terms, you can use the **Polynomial to degree** macro or the **RSM **macro. The RSM macro is a short cut that gives you both the interactions and the powers up to degree 2.

Of course powers are possible only for continuous factors.

Learn it once, use it forever!

- Mark as New
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Re: How to run ANOVA for 3 factorial design with RCBD (reps nested within)?

Thank you Mark!