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Le 16/02/2018 ? 10:24, Peter Dalgaard a ?crit?: > To give a short answer to the original question: > >> On 16 Feb 2018, at 05:02 , Rolf Turner <r.turner at auckland.ac.nz> wrote: >> >> In order to ascribe unique...
Dear members, I work about dosage and some values are bellow the detection limit. I would like create new "numbers" like LDL (to represent lower than detection limit) and UDL (upper the detection limit) that behave like NA, with the...
Dear members, I fought for several days against an error I was getting with optim in L-BFGS-B. The error was produced because some parameters were outside the limits defined by upper and lower. After investigation, the error is...
Dear list-members, Can someone explains me why the last command gives an error. Thanks a lot: > outer(0:1, 0:1, FUN=function(x, y) {x+y}) [,1] [,2] [1,] 0 1 [2,] 1 2 > outer(0:1, 0...
Le 28/03/2016 22:19, heba eldeeb via R-help a ?crit : > Dear AllI'm trying to find the maximum likelihood estimator of a certain distribution using nlm command but I receive an error as: > non-finite value supplied...
I just discover the deriv function but I have a minor problem at the end when using its result: For example: dx2x <- deriv(~ A*x^2, "x") ; dx2x # it works fine: # expression({ # .value <- A * x^2 # .grad <- array(0, c...
Hi everyone, Could someone help me to get both \n (return) and italic() in a legend. Here is a little example showing what I would like (but without the italic) and second what I get: plot(1, 1) v1 <- "p...
When I load the last version of raster package in MacOS, I get a segfault: This is similar to the problem described here: https://r.789695.n4.nabble.com/Raster-package-crash-with-segmentation-fault-td4759487.html or here https...
Dear members, Has someone have a solution to include a bquote() statement in a list to be used with do.call() ? Here is an exemple: scaleY <- 10000 plot(x=1, y=1, ylab=bquote(.(format(scaleY), scientific=FALSE)^"-1")) Like...
Le 12/02/2014 20:22, frankreynolds a ?crit : > okay so how do you run a simple linear regression, obtain the summary of > that, and then put it in an object? > > > Generally, it is just being polite to add: Please...
Hello everybody, Has someone the solution to set attribute when variable is known by name ? Thanks a lot Marc Let see this exemple: # The variable name is stored as characters. varname <- "myvarname" assign(x = varname, data.frame(A=1:5...
Le 10/01/2014 21:41, Clemence Germaine a ?crit : > Hi > > I?m using bar plot function > And I have in my data some zero, but my data are numerics and when i try to use bar plot i have...
Dear colleagues, I try to generate a geotiff in R. It works except that the tif file has no color when I open it in QGis. Here is the R code: library("dismo", "rgdal", "raster") # define a Nigeria region e...
Le 30/03/13 09:08, ???? a ?crit : > how can i draw the graph in R? > Can you ask a more precise question and show that you have tried to do something before asking such a general question: How the...
Until now I was using plot() and I check the possibility to shift to ggplot2. All is OK until now except to write text out of the plotting region [equivalent of par(xpd=TRUE); text(x, y, labels)]. I have...
Le 01/10/2014 13:11, ???????? kunjaai a ?crit : > Dear all, > > I am trying to open a netcdf file with size 1.2 MB contains more than > 3000 variables using 'netcdf' package. > > I am facing problem that it taking more...
Le 25/09/12 05:35, Tjun Kiat Teo a ?crit : > Does the function parallel work for windows ? > > > Tjun Kiat > > Try to reproduce these exemples and you will have your answer: http://max2.ese.u-psud.fr/epc/conservation/Girondot...
Dear honorable list-members, I know how to fit a truncated lognormal distribution (or Gaussian) (example here: http://max2.ese.u-psud.fr/epc/conservation/Girondot/Publications/Blog_r/Entrees/2012/5/24_Adjust_a_truncated_lognormal_distribution.html ) but...
When two POSIXlt objects are combine with c(), they lost their tzone attribute, even if they are the same. I don't know if it is a feature, but I don't like it ! Marc > es <- strptime("2010-02-03...
Two different sizes of R logo are shown in Rstudio in the Help at the package level. For example, numderiv shows a nice discreet logo located at (in MacosX): /Library/Frameworks/R.framework/Versions/3.3/Resources/doc/html/logo...
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