def add_algorithm(self, name, ds):
        self.algds[name] = ds
        self._bestalg = None
        self._unfipf = None
Validate that 'value' is a positive integer or None.
dataset/ETHPy150Open pasky/cocopf/pproc.py/PortfolioDataSets.add_algorithm--crossover with--dataset/ETHPy150Open mongodb/mongo-python-driver/pymongo/common.py/validate_positive_integer_or_none