models.py 文件源码

def define_model(self):
        #if self.modeltype == "AR" :
        #    return statsmodels.tsa.ar_model.AR(max_order=self.parameters['max_order'])
        if self.modeltype == "RandomForest" :
            return ensemble.RandomForestRegressor(n_estimators=self.parameters['n_estimators'])
            #return ensemble.RandomForestClassifier(
            #    n_estimators=self.parameters['n_estimators'])
        elif self.modeltype == "LinearRegression" :
            return linear_model.LinearRegression()
        elif self.modeltype == "Lasso" :
            return linear_model.Lasso(
            alpha=self.parameters['alpha'])
        elif self.modeltype == "ElasticNet" :
            return linear_model.ElasticNet(
            alpha=self.parameters['alpha'],
            l1_ratio=self.parameters['l1_ratio'])
        elif self.modeltype == "SVR" :
            return SVR(
            C=self.parameters['C'],
            epsilon=self.parameters['epsilon'],
            kernel=self.parameters['kernel'])
        #elif self.modeltype == 'StaticModel':
        #   return StaticModel (
        #      parameters=self.parameters
        #     )
        #elif self.modeltype == 'AdvancedStaticModel':
        #   return AdvancedStaticModel (
        #       parameters=self.parameters
        #        )

        # elif self.modeltype == 'SGDRegressor' :
        #     print(self.parameters)
        #     return linear_model.SGDRegressor(
        #     loss=self.parameters['loss'],
        #     penalty=self.parameters['penalty'],
        #     l1_ratio=self.parameters['l1_ratio'])
        else:
            raise ConfigError("Unsupported model {0}".format(self.modeltype))