X_train, X_test, y_train, y_test = train_test_split(features, labels, test_size=0.3, random_state=42)
时间: 2023-08-28 12:18:17 浏览: 175
这段代码使用了Python中的train_test_split()函数进行训练集和测试集的划分。其中,features代表特征数据,labels代表标签数据。test_size参数指定了测试集占整个数据集的比例,这里为0.3,即测试集占30%。random_state参数用于设定随机数种子,保证多次运行时划分结果相同。最终,划分结果分别保存在X_train, X_test, y_train, y_test这四个变量中。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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