Vitamin Blog

数据读入与写出（命令行交互）1.读文件输出文件import sysdef main(argv):#input_file='/home/vitamin/bigdata/code/python/part-00000'#output_file='/home/vitamin/bigdata/code/python/out1' input_file=argv[1] outpu...

未命名列重命名及删除用索引给未命名的列重命名data.rename(columns={ data.columns[0]: "delete" }, inplace=True)删除该列data.drop('delete',axis=1,inplace=True)两个DataFrame的拼接把y_num series 或者为df，添加到data上。data=data.join(y...

空格分割s='avg / total 0.91 0.87 0.87 92'filter(None, s.split(' '))[out]['avg', '/', 'total', '0.91', '0.87', '0.87', '92']

Roc曲线def plot_objs_roc(fname,title=u'ROC曲线'): print fname pred=pd.read_csv(fname) #print pred.head(5) y_pred=pred['preictal'] objs_y_pred=get_objects_y(pred) #print objs_y_...