countInstall.py 文件源码

def cut_install():
    df_installed=pd.read_csv('data/origin/user_installedapps.csv')  
    df_app_cat=pd.read_csv('data/origin/app_categories.csv')
    print('????')
    total=len(df_installed)
    p_len=total//10
    for i in range(9):
        print('?????%d??'%(i+1))
        df_part=df_installed[i*p_len:(i+1)*p_len]
        df_part=pd.merge(df_part,df_app_cat,how='left',on='appID')
        p_name='data/feature/install_cut/cut_p'+str(i+1)+'.csv'
        df_part.to_csv(p_name,index=False)
        del df_part
    print('????????')
    df_part=df_installed[9*p_len:]
    df_part=pd.merge(df_part,df_app_cat,how='left',on='appID')
    df_part.to_csv('data/feature/install_cut/cut_p10.csv',index=False)
    del df_part