sklearn数值特征处理：基于四舍五入的分箱

    import pandas as pd
    
    fcc_survey_df = pd.read_csv('fcc_2016_coder_survey_subset.csv',encoding='utf-8')
    fcc_survey_df[['ID.x','EmploymentField','Age','Income']].head()
    
    
      
      
      
      
    

    import matplotlib.pyplot as plt
    import matplotlib as mpl
    %matplotlib inline
    mpl.style.reload_library()
    mpl.style.use('classic')
    mpl.rcParams['figure.facecolor'] = (1,1,1,0) #背景颜色
    mpl.rcParams['figure.figsize'] = [8, 6]
    mpl.r