Hi Did you consider strucchange or segmented packages? They accept restriction on number of segments.
Cheers Petr > -----Original Message----- > From: R-help <r-help-boun...@r-project.org> On Behalf Of Tanush Jagdish > Sent: Friday, July 27, 2018 12:30 AM > To: r-help@r-project.org > Subject: [R] How to limit an isotonic step regression to exactly n steps? > > I am trying to fit an isotonic step function to my data. Every isotonic step > regression function (I've tried isoreg, pava, etc) 'finds' multiple points of > increase (steps) across my dataset. However, I would like to limit the steps > to 7, > because given my understanding of the data, I expect exactly 7 sudden points > of increase. > > (I will then see if the steps predicted by the regression occur at the > regions I > expect them to.) > > Could anyone please help me restrict the number of points to 7 or any other > defined number? I would really appreciate it. > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. Osobní údaje: Informace o zpracování a ochraně osobních údajů obchodních partnerů PRECHEZA a.s. jsou zveřejněny na: https://www.precheza.cz/zasady-ochrany-osobnich-udaju/ | Information about processing and protection of business partner’s personal data are available on website: https://www.precheza.cz/en/personal-data-protection-principles/ Důvěrnost: Tento e-mail a jakékoliv k němu připojené dokumenty jsou důvěrné a podléhají tomuto právně závaznému prohláąení o vyloučení odpovědnosti: https://www.precheza.cz/01-dovetek/ | This email and any documents attached to it may be confidential and are subject to the legally binding disclaimer: https://www.precheza.cz/en/01-disclaimer/ ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
