Hi Chris, how about this: constant<-function(x) rep(7,length(x)) curve(constant,-1000,100)
cheers. Am 07.03.2012 06:41, schrieb Chris Waggoner: > Is it possible to define a constant function (for example the zero function) > in R? > > I found the following unsatisfying hack to create the "seven function": > > constant <- stepfun( x = -100:100, y = rep(7, 201) ) > > > This is mathematically unsatisfying because the domain is artificially > restricted to [-100,100] rather than (-Inf,Inf). > > Additionally, unless I use pch="n" there are ugly dots on the plot (and again > this feels hackish). > > > Any suggestions on what else to do? > > > > Thanks in advance. > > ______________________________________________ > R-help@r-project.org mailing list > 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. -- Eik Vettorazzi Department of Medical Biometry and Epidemiology University Medical Center Hamburg-Eppendorf Martinistr. 52 20246 Hamburg T ++49/40/7410-58243 F ++49/40/7410-57790 -- Pflichtangaben gemäß Gesetz über elektronische Handelsregister und Genossenschaftsregister sowie das Unternehmensregister (EHUG): Universitätsklinikum Hamburg-Eppendorf; Körperschaft des öffentlichen Rechts; Gerichtsstand: Hamburg Vorstandsmitglieder: Prof. Dr. Guido Sauter (Vertreter des Vorsitzenden), Dr. Alexander Kirstein, Joachim Prölß, Prof. Dr. Dr. Uwe Koch-Gromus ______________________________________________ R-help@r-project.org mailing list 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.
