Note the following points about LSMeans Effects:
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When the experimental design is balanced, LSMeans are the same as simple effect means.
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When the experimental design is unbalanced, LSMeans are estimates of effect means that would have been observed if the experimental design had been balanced.
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The differences between LSMeans form hypotheses of interest for which to compute power. You can specify which differences to use on the Test tab.
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Important: LSMeans Effects must also be listed as Fixed Effects, and all variables comprising them must be listed as Class Variables.
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To specify interactions between effect, type an asterisk (*) between the effects. For example, assuming A and B are listed as Class 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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