optimization.py 文件源码

def random_search_cv(clf, param_distribution, n_iter_search, X_train, y_train):
    '''
    random search with optimization with nested resampling
    @return: random search object
    '''
    rnd_search = RandomizedSearchCV(clf, param_distributions = param_distribution,
                                    n_iter = n_iter_search, pre_dispatch = '2*n_jobs', n_jobs = 4)
    rnd_search.fit(X_train, y_train)

    return rnd_search