输入包含NaN，无穷大或值太大而导致dtype（'float32'）错误

Question

我怎么解决这个ValueError：

X_train, X_test, y_train, y_test = train_test_split(X, y, test_size = 0.30,random_state=10)

classifier.fit(X_train, y_train) 

输出：

ValueError: Input contains NaN, infinity or a value too large for dtype('float32').