[Question] why is dense size = Classification category +1？ （in classification task）

[melansediao]

why is dense size = Classification category +1？ （in classification task）
These two pictures below are from your blog：
https://eliyar.biz/nlp_chinese_text_classification_in_15mins/?nsukey=O%2BczPW172RmhIMqZT%2BfUlcATr6%2Ba8SX%2BJOwFmeqO7sK%2FDXKSkt%2BembEWvsivT76TbO5z7Dh02n%2BDux3v7PQgBZJl9fdsUl7aFAeUOQis%2BI0D6lpYW%2B9nAVUiSaAvf6mCvwDLx2a6%2Be5p4Up5QuSJ9UiCKek51b5HXyjbOPnZJMM%3D

[BrikerMan]

Because I added "PAD": 0 to label2idx dict by default on both classification and labeling tasks, I think I should remove this feature from classification task. Then dense size will equel to classification category.

[melansediao]

这个不影响训练吗？

[BrikerMan]

不影响，只是多了一个没有数据对应的分类。