def avgAxisPoints(self, var):
        varID = var.id
        var = cdutil.averager(var, axis="(%s)" % self.axis.id, weight='equal')
        var.id = varID
        return var
Calculates the rank sums statistic on the provided scores and
dataset/ETHPy150Open VisTrails/VisTrails/contrib/cdat/cdat_window.py/QAxis.avgAxisPoints--crossover with--dataset/ETHPy150Open radlab/sparrow/src/main/python/third_party/stats.py/lranksums