Parameters | Genetics | Major Allele Variable

Major Allele Variable
The Major Allele Variable field is used to specify the variable that lists the major alleles for each marker. If the major allele for a study does not match the major allele from the first study, the sign of the effect is switched when combining results.
To Specify the Annotation Major Allele Variable:
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All of the variables in the specified annotation data set are displayed in the Available Variables field.
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Note: If this variable is not specified, then computation times are increased to determine the major allele.