lda模型和bert模型的文本主题情感分类实战

视频参考：

lda模型和bert模型的文本主题情感分类实战_哔哩哔哩_bilibili

数据展示：

模型结构：

主要代码：

import torch
from torch import nn
from torch import optim
import transformers as tfs
import math
import numpy as np
import pandas as pd
from sklearn.metrics import f1_score
import warnings
import re
import jieba
from transformers import BertTokenizer, BertModel
from transformers import BertConfig
from transformers import AutoTokenizer, AutoModel,AutoConfig
warnings.filterwarnings('ignore')
from tqdm import tqdm
from sklearn.model_selection import train_test_split
from