Hi Thomas, for a good collection of introductory to intermediate statistics it is hard to go past the writings of Keith Smillie. Devon McCormick posted this thread in early December which is still quite useful (check the links and references, although in these writings I don’t believe Keith covered specific area around integrating the beta distribution as you have asked).
HTH, Rob (2 email attachments, I am hoping they get through, but you could also retrieve from the J archives on a search for <Smillie>
> On 30 Dec 2020, at 2:51 am, Thomas Bulka <[email protected]> wrote: > > Hello everyone, > > I’m using the winter holidays to polish my knowledge in statistics, which has > gotten pretty rusty lately. Until now, I did some quick calculations in R, > but I’d like to switch to J to improve my knowledge here, too. > > However, I’m not quite sure on the current state of the statistical tools > that J already provides. I have, yet, mostly dabbled with the J primitives, > on which the documentation is excellent!, but I do not have that much > experience with the external libraries/packages and, even worse, I’m not even > sure where to look for the right documentation. > > For example: In R I can easily calculate the integral between two points of a > beta distribution like this: > > integrate(function(p) dbeta(p, 10, 111), 0.40, 0.55) > > I’d like to do so in J, but I’m not sure, where to start here. Is there any > documentation on doing these kind of things in J which I did not find? > > Kind regards, > > Thomas > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm
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