import pandas as pd
import numpy as np
from sklearn import linear_model
from sklearn.model_selection import train_test_split
data=pd.read_csv('modelx.csv')
x_train,x_test=train_test_split(x,random_state=1)
x_test.shape
lr=linear_model.LinearRegression()
lr.fit(x_train,x_test)
print('Training score;{:2f}'.format(lr.score(x_train)))
ValueError: could not convert string to float: '好再见'
对文件里的符号和空格都进行处理了,但不知道为何还是发生这个错误,有人能帮我指点一下吗,感激不尽