similar to: image adds lines

I get an error when using self-defined (not standard) functions with mapply with S4 objects from the raster package that I develop: "Error in as.character(sys.call(sys.parent())[[1]]) : cannot coerce type 'closure' to vector of type 'character'". Does anyone understand why? The problem is illustrated below. Thanks, Robert > # First a general example that works

?dir.create (part of the base package) says that: "dir.create and Sys.chmod return a logical vector indicating which operation succeeded for each of the files attempted" However, on my system it returns nothing (whether successful or not): > dir.create(":::@!#!::") > dir.create('b') > sessionInfo() R version 2.9.0 (2009-04-17) i386-pc-mingw32 locale:

I had difficulties running R CMD check and build on windows 7. The problem seems to be that the script creates folders to which nobody has any access permissions (not even read). So the script can not delete these folders or open files. This worked for me: Go to the properties of the root folder of your R project (e.g. "D:\R"). Change the settings so that this folder and its

R gurus, I'm having an issue with the appearance of image plots produced by R-2.13.1. When I plot an image (example code pasted below), thin white lines appear between rows and columns of pixels. The location of the lines seems somewhat random and change as the graphics device is re-sized. This occurs using a range of graphic devices (windows, png, bmp, jpeg, tiff, pdf), on two different

Dear helpers, I'm trying out the embedFonts() to embed fonts into my pdf files. However, when I inspect the new pdf with a program designed to look for embedded fonts, I see that the fonts have in fact not been embedded. Below are my calls. R version 2.13.1 (2011-07-08) Copyright (C) 2011 The R Foundation for Statistical Computing ISBN 3-900051-07-0 Platform: i386-pc-mingw32/i386 (32-bit)

Dear R-Users, I think I have encountered a potential bug (or at least unwanted behavior), but I'm not sure so I wanted to post here first. Lately I've been encountering an error when running a package I put together. I have my package set up to check for updates when it loads but this error occurs and stops the package from loading: Error : .onLoad failed in loadNamespace() for

In R, the output of xtabs displays the names of the dimnames. In the example below, these are "change_diet" and "mydiet". Is there a way to have xtable incorporate these names directly into the latex output. Thanks for your help. table2 <- structure(c(26, 0, 40, 0, 10, 0, 188, 0, 281, 0), .Dim = c(5L, 2L), .Dimnames = structure(list(change_diet = c("Don't

Hello all, I am manipulating a large database with 70,000 records. "strptime" generates a date variable but R treats some of the values as NA. I attach a simple example below. I have spent hours on this problem. Any hint would be greatly appreciated. Many thanks, Edwin Sun # =======start of sample code ============= > x <- c("2005-04-02 19:03:00", "2005-04-03

Dear users, By running the script below, R crashes systematically at the last command, namely dev.off(), on Windows 7, but not on Windows XP. I therefore don't provide a reproducible example and do not really extract the relevant parts of the script because it has most likely nothing to do with the script itself. I can do it though if you think it might be relevant. R crashes on Windows

Hi, from example(capitalize) of the Hmisc package (v 0.8.3) you get: > capitalize(c("Hello", "bob", "daN")) [1] "Hello" "Bob" "daN" Is that "daN" correct? If so, then this behavior that only *all lowercase strings*, which the code indicates, will be capitalized is not documented. > Hmisc::capitalize function

I am using the example in this post: https://stat.ethz.ch/pipermail/r-help/2010-October/257204.html # create a file write.table(iris,"iris.csv",row.names=FALSE,sep=",",quote=FALSE) # this does not work # has the syntax changed or is there a mistake in my usage? # the line from the post above is: # read.csv.sql("myfile.csv, sql = "select * from file 2000,

Hey all, I encountered a problem drawing a histogram. You can view the picture here: http://dl.dropbox.com/u/4836866/Bad_Histogramm.png What happens: the bars are drawn with different starting points, thus no straight zero-line is there. And bars are overlapping. (or sometimes apart from each other.) How it happens: hist(volcano, breaks=10) # and any other data This also happens with

On a Unix machine I ran caret::rfe using the multicore package, and I saved the resulting object using save(lm2, file = "lm2.RData"). [Reproducible example below.] When I try to load("lm2.RData") on my Windows laptop, I get Error in loadNamespace(name) : there is no package called 'multicore' I completely understand the error and I would like to ignore it and

Under platform x86_64-pc-linux-gnu arch x86_64 os linux-gnu system x86_64, linux-gnu status major 2 minor 13.1 year 2011 month 07

I am trying to improve the look of an HTML table for a report (that needs to be pasted into Word). Here is an example. table2 <- structure(c(26L, 0L, 40L, 0L, 10L, 0L, 0L, 188L, 0L, 281L, 0L, 0L, 0L, 0L, 0L, 0L, 0L, 4L), .Dim = c(6L, 3L), .Dimnames = structure(list( myvar = c("Don't know", "Somewhat likely", "Somewhat unlikely", "Very

I am trying to build a package using windows xp. Here is the error I am getting: R CMD build myfunctions * checking for file 'myfunctions/DESCRIPTION' ... OK * preparing 'myfunctions': * checking DESCRIPTION meta-information ... OK * checking for LF line-endings in source and make files * checking for empty or unneeded directories * building 'myfunctions_1.0.tar.gz'

R-helpers: I am experiencing some odd behavior with the 'matrix' function that I have not experienced before and was wondering if there is something that I was missing in my code. --------------------------------- > sessionInfo() R version 2.6.1 (2007-11-26) i386-pc-mingw32 locale: LC_COLLATE=English_United States.1252;LC_CTYPE=English_United States.1252;LC_MONETARY=English_United

Can't installe packag maDB or limma. Error is shown as Using R version 2.13.1, biocinstall version 2.8.4. Installing Bioconductor version 2.8 packages: Is there any other way to draw volcano plot ? Thanks [[alternative HTML version deleted]]

Dear All, I was looking for the color index in?image function,?such as from topo.colors(n) and etc. but still never found it. For instance, from the help menu. ########################################### # Volcano data visualized as matrix. Need to transpose and flip # matrix horizontally. image(t(volcano)[ncol(volcano):1,]) # A prettier display of the volcano x <- 10*(1:nrow(volcano)) y

Dear list, Utils::modifyList() drops NULL components in its second argument, instead of adding them to the first argument. Compare: > modifyList(x=list(A=1), val=list(B=2, C=3)) $A [1] 1 $B [1] 2 $C [1] 3 > modifyList(x=list(A=1), val=list(B=NULL, C=3)) $A [1] 1 $C [1] 3 To me this seems inconsistent with the documentation ("Elements in 'val' which are missing from