def stratds_dimfunc(self, dimfun):
        (dim, funcId) = dimfun
        for (stratname, dset) in self.stratds.iteritems():
            yield (stratname, dset.dictByDimFunc()[dim][funcId][0])
Return an iterable of (name, DataSet) tuples corresponding
dataset/ETHPy150Open pasky/cocopf/pproc.py/PortfolioDataSets.stratds_dimfunc