The uniroot function can be used to find a value in a specified interval, if it exists. On Tue, Aug 14, 2018 at 3:30 PM Tania Morgado Garcia <tmg1...@gmail.com> wrote: > > Hello everyone. I'm new to R and I'm using spline functions. With the > command splinefun (x, y) I get the function of interpolating the values x > and y. Later, I can evaluate that function for values of x by obtaining the > respective values of y. The point is that I need the inverse operation, > with the function, for a value of Y I need to know the value of x. Could > you please help me? > A cordial greeting > > [[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.
-- Gregory (Greg) L. Snow Ph.D. 538...@gmail.com ______________________________________________ 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.