SQl查询返回时间值和计数的特定范围res.range, count(*)CASE WHEN t1.response_time between 0 and4 then 'Within 4 Hours' WHEN t1.response_timeWHEN t1.response_time > 8 then '8+ Hours'
END
给定时间戳数据,我想计算过去4-6天的某些变量的中位数。过去1-3天的中位数可以由pd.pandas.DataFrame.rolling计算,但我找不到如何使用滚动来计算过去4-6天的中位数。6 days2 2011-014-6 days
6 2011-01-02 12:00:00 1.744812 NaN #