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May 15, 2015 9:44 PM
(2522 views)

I can create a RSM Split Plot with 2 HTC and 1 ETC factors easy enough but when I add a blocking factor it doesn't meet the split plot design?

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May 18, 2015 8:15 AM
(4760 views)

Solution

Were you wanting the HTC factors nested within the blocks?

If so, you can try something similar to: Constructing a custom design with two nested random blocking

You would then want to remove all the "false VHTC factor" terms from the model if you use RSM. I've included code below to give you an idea of the setup.

The "Whole Plots" column is your block, while Subplots for your HTC factors. You would remove the "false VHTC factor column". When modeling, you would have to consider switching the blocking factor (ie. Whole Plots) from a random effect.

Hope this helps.

Cheers,

Ryan

DOE**(**

Custom Design,

**{**Add Response**(** Maximize, "Y", **.**, **.**, **.** **)**,

Add Factor**(** Continuous, -**1**, **1**, "false VHTC factor", **2** **)**,

Add Factor**(** Continuous, -**1**, **1**, "X2", **1** **)**,

Add Factor**(** Continuous, -**1**, **1**, "X3", **1** **)**,

Add Factor**(** Continuous, -**1**, **1**, "X4", **0** **)**, Set Random Seed**(** **1390686764** **)**,

Number of Starts**(** **2000** **)**, Add Term**(** **{****1**, **0}** **)**, Add Term**(** **{****2**, **1}** **)**,

Add Term**(** **{****3**, **1}** **)**, Add Term**(** **{****4**, **1}** **)**, Add Term**(** **{****2**, **2}** **)**,

Add Term**(** **{****2**, **1}**, **{****3**, **1}** **)**, Add Term**(** **{****3**, **2}** **)**, Add Term**(** **{****2**, **1}**, **{****4**, **1}** **)**,

Add Term**(** **{****3**, **1}**, **{****4**, **1}** **)**, Add Term**(** **{****4**, **2}** **)**, Set N Whole Plots**(** **3** **)**,

Set N Subplots**(** **10** **)**, Set Sample Size**(** **30** **)**, Optimality Criterion**(** **2** **)}**

**)**;

2 REPLIES

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May 18, 2015 8:15 AM
(4761 views)

Were you wanting the HTC factors nested within the blocks?

If so, you can try something similar to: Constructing a custom design with two nested random blocking

You would then want to remove all the "false VHTC factor" terms from the model if you use RSM. I've included code below to give you an idea of the setup.

The "Whole Plots" column is your block, while Subplots for your HTC factors. You would remove the "false VHTC factor column". When modeling, you would have to consider switching the blocking factor (ie. Whole Plots) from a random effect.

Hope this helps.

Cheers,

Ryan

DOE**(**

Custom Design,

**{**Add Response**(** Maximize, "Y", **.**, **.**, **.** **)**,

Add Factor**(** Continuous, -**1**, **1**, "false VHTC factor", **2** **)**,

Add Factor**(** Continuous, -**1**, **1**, "X2", **1** **)**,

Add Factor**(** Continuous, -**1**, **1**, "X3", **1** **)**,

Add Factor**(** Continuous, -**1**, **1**, "X4", **0** **)**, Set Random Seed**(** **1390686764** **)**,

Number of Starts**(** **2000** **)**, Add Term**(** **{****1**, **0}** **)**, Add Term**(** **{****2**, **1}** **)**,

Add Term**(** **{****3**, **1}** **)**, Add Term**(** **{****4**, **1}** **)**, Add Term**(** **{****2**, **2}** **)**,

Add Term**(** **{****2**, **1}**, **{****3**, **1}** **)**, Add Term**(** **{****3**, **2}** **)**, Add Term**(** **{****2**, **1}**, **{****4**, **1}** **)**,

Add Term**(** **{****3**, **1}**, **{****4**, **1}** **)**, Add Term**(** **{****4**, **2}** **)**, Set N Whole Plots**(** **3** **)**,

Set N Subplots**(** **10** **)**, Set Sample Size**(** **30** **)**, Optimality Criterion**(** **2** **)}**

**)**;

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May 19, 2015 6:07 PM
(2380 views)

Thanks this was right on!

Recrem Ekim

is

M i k e M e r c e r

Spelled backwards

<http://www.linkedin.com/in/MichaelCMercer> www.LinkedIn.com/in/MichaelCMercer