基于智能算法的信用卡欺诈交易识别系统

    import numpy as np
    import pandas as pd
    import matplotlib.pyplot as plt
    plt.rcParams['font.sans-serif'] = ['SimHei']
    

    raw_credit = pd.read_csv('creditcard.csv')#数据可以在kaggle上获取
    raw_credit.head()
    

    plt.pie(pd.value_counts(raw_credit['Class']),explode=[0,0.2],
        labels=['不欺诈','欺诈'],autopct='%.2f%%',
        colors=['lightgreen','red'])
    plt.axis('equal')
    plt.show()