>>> "JJ" == Jeremie Juste writes: > Hello Uwe, >> On Sunday, 22 May 2022 at 08:40, Uwe Brauer wrote: >> but I can't not find a way to calculate other percentiles, like >> terciles or so. Does anybody know about this, or a org-function doing >> it? > I would recommend checking the R documentation. > #+begin_src R :colnames t :var t1=TC :results output > ?quantile > #+end_src > #+tblname: TC > | Data | > |------| > | 5 | > | 10 | > | 12 | > | 15 | > | 20 | > | 24 | > | 27 | > | 30 | > | 35 | > Consider also the R mailing list r-help@r-project.org. The community is > quite active. > I believe that you might be looking for the following. > #+begin_src R :colnames t :var t1=TC > quantile(t1$Data,c(1/3,2/3,1)) > #+end_src As I said that works nicely, however it turns out that I need to round the result in a specific way, always round toward positive infinity, the matlab command `ceil' for example does this, I can't find anything similar in the documentation. You recommend to use the R mailing list, which I will do, but maybe you know it by heart? Thanks and regards Uwe