[GRASS-dev] r.stats.quantile: does the 50th percentile equal to the median?

[nik at nikosalexandris.net]

Thank you Markus!

---

On 2021-01-23 21:20, Markus Metz wrote:

> On Fri, Jan 22, 2021 at 2:51 PM <nik at nikosalexandris.net> wrote:
>> 
>> Hi devs,
>> 
>> does the default `percentiles=50` in `r.stats.quantile` equal to the
>> median?
>> Is the definition exclusive or inclusive?
> 
> The median is commonly defined as the 50% percentile, the "middle" item of a sorted dataset. See
> https://en.wikipedia.org/wiki/Median
> 
> In GRASS, calculations of the median and the 50% percentile are identical. 
> 
> HTH, 
> 
> Markus M 
> 
>> 
>> 
>> Thank you for any insight, Nikos
>> --
>> 
>> See also
>> - https://en.wikipedia.org/wiki/Percentile
>> - https://math.stackexchange.com/q/2048470/445399
>> 
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