public static boolean isVarianceFamilyName(String name) {
    return (VarianceKind.nameMap.get(name) != null);
  }
Compute the variance. This class is extended by: GenericUDAFVarianceSample
GenericUDAFStd GenericUDAFStdSample
ql/src/java/org/apache/hadoop/hive/ql/udf/generic/GenericUDAFVariance.java