Adjustment Effects

Use the text box to specify:

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effects by which to adjust the principal components before modeling their sources of variability, and

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known sources of variability that are not to be included in the output pie chart.

For purposes of modeling, all effects specified here are considered fixed effects.

Caution: Do not repeat any effects here that have been listed in the Variance Component Effects field.

To Specify Adjustment Effects:

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Type one or more effects in the text field.

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If you specify more than one effect, then you must separate the effects with spaces. For example, assuming A and B are listed as Cluster Significant Results, typing A B in the text field specifies variables A and B as main fixed effects.

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To specify interactions between effect, type an asterisk (*) between the effects. For example, assuming A and B are listed as Cluster Significant Results, typing A B A*B specifies variables A and B, and the interaction between A and B as effects.

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A vertical bar (|) can be used to create main effectsand interactions. For example, typing A|B is the same as typing A B A*B.

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An at-sign (@) can be used to limit the number of interactions. For example, typing A|B|C@2 removes the three-way interaction term.