Add flag when avgNormDiff is used with too many variables #17
Description
avgNormDiff as a similarity metric is only meant to be used with a few (< 10) variables, so a flag should be added when it's used with too many variables.
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avgNormDiff as a similarity metric is only meant to be used with a few (< 10) variables, so a flag should be added when it's used with too many variables.