Indicate effects by which to model differential expression in this field.
To Specify these 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, you must separate the effects with spaces.
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To specify interactions between effect, type an asterisk (*) between the effects. For example, assuming A and B are listed as Categorical Variables, 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 effects and interactions. For example, typing A|B is the same as typing A B A*B.
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If you change your mind and would like to reset the field, click .