Parameters | Copy Number | Variable Distinguishing Bivariate Observations

Variable Distinguishing Bivariate Observations
Specify the variable whose unique levels indicate the bivariate responses within unique combinations of the By Variables.
For example, in a copy number experiment, specify Allele, which has levels A and B for Affymetrix and Illumina.
Caution: Do not specify primary response variables here.
To Specify Variables Distinguishing Bivariate Observations:
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The Available Variables field is populated with variables from the specified data set.
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Left-click a single variable from the Available Variables field.
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Click to add the selected variable to the Variable Distinguishing Bivariate Observations field.