Hi all,
Any help with that ?
Regards
On Saturday, August 13, 2016 at 3:52:42 PM UTC+3, Karjic Ioannis wrote:
>
> Hi all,
> Is it possible to have a trimmed mean on graylog filed statistics.
>
> A trimmed mean is a method of averaging that removes a small designated
> percentage of the largest and smallest values before calculating the mean.
> After removing the specified observations, the trimmed mean is found using
> a standard arithmetic averaging formula. The use of a trimmed mean helps
> eliminate the influence of data points on the tails that may unfairly
> affect the traditional mean.
>
> For example i have a set of iis "time taken" responses like:
>
> {90,89,92,91,5 1000 } mean = 227,8
>
> but excluding the outliers (5) and 1000 we have
>
> {90,89,92,91(,5) (,1000)} mean = 90.5
>
> Basically what i wanted to do is compute the mean of the middle 90% of my
> data, ignoring the top and bottom 5%. Of course, these numbers can vary,
> but that's the general idea.
>
>
>
> Regards
> Yiannis
>
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