def _setLearningRate(self, alpha):
        self.gd.alpha = alpha
Generator to walk through variables considered as preferences
dataset/ETHPy150Open pybrain/pybrain/pybrain/rl/learners/directsearch/policygradient.py/PolicyGradientLearner._setLearningRate--crossover with--dataset/ETHPy150Open idlesign/django-siteprefs/siteprefs/utils.py/traverse_local_prefs