search for: nlsstclosestx

..., 51, 72, 75, 96, 99), y = c(4.98227, 6.38021, 6.90309, 7.77815, 7.64345, 7.23045, 7.27875, 7.11394, 6.95424)), .Names = c("x", "y"), row.names = c(NA, 9L), class = c("sortedXyData", "data.frame")) a <- NLSstLfAsymptote(sXY) d <- NLSstRtAsymptote(sXY) NLSstClosestX(sXY, (a+d)/2) ------------------------ I think the problem arises when the target y value is exactly equal to one of the y values in sXY and can be fixed by trapping that situation thus: -------------------- NLSstClosestX.sortedXyData <- function (xy, yval) { deviations <- xy$y - yval...

...lf-starting function for fpl fpl.ival <- function (mCall, data, LHS) { xy <- sortedXyData(mCall[["input"]], LHS, data) if (nrow(xy) < 5) { stop("Too few distinct input values to fit a four-parameter logistic") } xydata <- c(as.list(xy), xmid = NLSstClosestX(xy, mean(range(xy[["y"]])))) xydata <- as.list(xydata) options(show.error.messages = FALSE) # Sometimes, the following evaluation gives an error (singular gradient, ...). Try another way to estimate initial parameters pars <- try(as.vector(coef(nls(y ~ cbind(1, 1/(1...

...when deciding to drop levels. (PR#14393) ? library.dynam.unload required an absolute path for libpath. (PR#14385) Both library() and loadNamespace() now record absolute paths for use by searchpaths() and getNamespaceInfo(ns, "path"). ? The self-starting model NLSstClosestX failed if some deviation was exactly zero. (PR#14384) ? X11(type = "cairo") (and other devices such as png using cairographics) and which use Pango font selection now work around a bug in Pango when very small fonts (those with sizes between 0 and 1 in Pango&...

...when deciding to drop levels. (PR#14393) ? library.dynam.unload required an absolute path for libpath. (PR#14385) Both library() and loadNamespace() now record absolute paths for use by searchpaths() and getNamespaceInfo(ns, "path"). ? The self-starting model NLSstClosestX failed if some deviation was exactly zero. (PR#14384) ? X11(type = "cairo") (and other devices such as png using cairographics) and which use Pango font selection now work around a bug in Pango when very small fonts (those with sizes between 0 and 1 in Pango&...

.../usr/local/lib/R/library/nls/R action: create D: file: /usr/local/lib/R/library/nls/R-ex action: create D: file: /usr/local/lib/R/library/nls/R-ex/BOD.R action: create D: file: /usr/local/lib/R/library/nls/R-ex/NLSstAsymptotic.R action: create D: file: /usr/local/lib/R/library/nls/R-ex/NLSstClosestX.R action: create D: file: /usr/local/lib/R/library/nls/R-ex/NLSstLfAsymptote.R action: create D: file: /usr/local/lib/R/library/nls/R-ex/NLSstRtAsymptote.R action: create D: file: /usr/local/lib/R/library/nls/R-ex/SSasymp.R action: create D: file: /usr/local/lib/R/library/nls/R-ex/SSasy...

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