摘要： from sklearn import metrics from sklearn.metrics import mean_squared_error from sklearn.model_selection import cross_val_score from sklearn.model_sele 阅读全文

摘要： 正负样本切分 import pandas as pd import numpy as np from sklearn.model_selection import train_test_split from collections import Counter import matplotlib.p 阅读全文

摘要： 数据预处理——从mysql中读取数据 import numpy as np import pandas as pd import matplotlib.pyplot as plt import random plt.rcParams['font.sans-serif'] = 'Microsoft Y 阅读全文