qq_35641067的博客

1.Booststrap 从当前样本重复样本总数次有放回的随机选取样本构建成新的训练样本【构建的新样本可能有多个重复的数据】 #从data中构建n_sample个新样本 def get_bootstrap_samples(data,n_samples): indices = np.random.randint(0,len(data), (n_samples,len(data))) ...

绘制学习率曲线与验证曲线 learning_curve :param ::train_size fill_between def plot_learning_curve(estimator,title, X, y, ylim=None, cv=None, n_jobs=1, train_size = np.linspace(.1,1.0,5...