Thanks for your reply. You're right, return a vector. An example of the dataset: ts pu carbono 1 15 2.04 1 37 1.27 1 55 0.93 1 80 0.5 1 105 0.49 1 22 2.08 1 41 1.43 1 65 0.78
The data that originate the FCOS and FRCOS pattern functions are others, which I only use to obtain the functions. Thanks again El mar., 25 sept. 2018 a las 10:29, Michael Dewey (<li...@dewey.myzen.co.uk>) escribió: > Dear Tania > > Without your dataset I am not sure but a comment below to suggest where > to look next. > > On 24/09/2018 18:37, Tania Morgado Garcia wrote: > > Thanks for your answers. I continue to learn R and now I am detained in > an > > error with uniroot that I see happens to others but I can not find the > > solution. Next the code > > > > x1 <- BAaxOrd$V1 > > y1 <- BAaxOrd$V2 > > x1R <- BAaxOrdRCOS$V1 > > y1R <- BAaxOrdRCOS$V2 > > FCOS1 <- splinefun(smooth.spline(x1,y1)) > > FRCOS1 <- splinefun(smooth.spline(x1R,y1R)) > > FCOS1 <- Vectorize(FCOS1) > > FRCOS1 <- Vectorize(FRCOS1) > > > > req(input$file1) > > tryCatch( > > { > > df <- read.csv(input$file1$datapath, > > header = input$header, > > sep = "\t", > > quote = '"') > > }, > > error = function(e) { > > # return a safeError if a parsing error occurs > > stop(safeError(e)) > > } > > ) > > > > #if(input$disp == "head") { > > # return(head(df)) > > #} > > #else { > > > > # Determine Carbon Reserve > > for (row in 1:nrow(df)) { > > if(df$ts==1) { > > prof <- > > uniroot(f=function(x){FCOS1(x1)-df$carbono},interval=c(0,20))$root > > limsup <- prof + df$pu > > reserva <- integrate(FRCOS1,prof,limsup)$value > > } > > Are you sure that FCOS(x1) - df$carbono returns a scalar? It looks as > though it returns a vector to me but without your data I am not sure so > ignore my post if it does. > > > > The if is because there are several types of soil, but I only put one. > The > > error is > > > > Warning in if (is.na(f.lower)) stop("f.lower = f(lower) is NA") : > > the condition has length > 1 and only the first element will be used > > Warning in if (is.na(f.upper)) stop("f.upper = f(upper) is NA") : > > the condition has length > 1 and only the first element will be used > > Warning: Error in uniroot: f() values at end points not of opposite sign > > > > The file that I load with data has a single row with the values ts = 1, > > carbon = 2.04 and pu = 15 (I left only that row to be able to determine > the > > origin of the error). The functions FCOS1 and FRCOS1 are monotone > > decreasing.Graphic attachment of FCOS1 > > > > I would appreciate some help in this regard > > > > thanks a lot > > ______________________________________________ > > 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. > > > > -- > Michael > http://www.dewey.myzen.co.uk/home.html > [[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.