擅长:python、mysql、java
<p>像这样调用<code>split()</code>:</p>
<pre><code>for i, (train_index, val_index) in enumerate(kf.split(x_train, y_train_categorical.argmax(1))):
x_train_kf, x_val_kf = x_train[train_index], x_train[val_index]
y_train_kf, y_val_kf = y_train[train_index], y_train[val_index]
</code></pre>