各位大大你们好，想请教一个问题。有没有CODE可以替换0.5%和99.5%的极端数据？就是让处于小于0.5%和大于99.5%的数据等于0.5%和99.5%的值。
To prevent extreme observations from influencing results，set the top 99.5% and bottom 0.5% of the data  equal to the 99.5% and 0.5% percentiles.

谢啦~