similar to: R 14.0, ggplot2: could not find function "initRefFields"

Let'say we have a dataframe mydata with column v1. If mydata$v1 is passed to a function, is there way, then, to extract the name of the dataframe? What I now do is passing the name of the dataframe to the funcion, so passing two parameters. Maybe with mydata$v1 it is not possible, but with mydata['v1'] or mydata[,'v1'] it is? Thanks Frans ------------------- Frans Marcelissen

Hello, I try to make barplots with rather wide labels. A simplified example of this: x <- c(12, 33, 56, 67, 15, 66) names(x) <- c('Richard with a long surname','Minnie with a long name,'Albert','Helen','Joe','Kingston') barplot(x, las = 2) Now the label 'Richard with a long surname' is too long to fit beneath the bars. A simple solution

Is it possible to set the margin in ggplot2 to a fixed size? I create many plots, and I want them to look the same. Especially I want them to have the same left margin. But P<-ggplot()+geom_bar(aes(c("short label1","short label2"),runif(2)))+coord_flip() P<-creates a plot with another margin as ggplot()+geom_bar(aes(c("very very very very long

Hi, The combination of ipad+rstudio (server) would be a fantastic combination-if it worked. It _is_ possible to run rstudio in the safari browser of the ipad, but the keyboard doesn't work correctly (blanks are inserted after each character), making it almost impossible to use. Does anyone know a solution? Or know when a solution is ready? ------------------- dr F.H.G. (Frans) Marcelissen

Dear all, I've just had a package update bounced from CRAN because of a recent change in R-devel which seems to affect the behaviour of the initFields() reference class method. (The change must be very recent because I tested the package on a week-old build of R-devel.) It seems that the method no longer coerces its arguments to the expected type of each field. For a simple example: > Foo

Hello, For one reason or another, I cannot install Rcmdr on my R 2.12.2 ubuntu 11.4 system. I run R as root When I try to install Rcmdr, then whatever mirror I select, I get the message: install.packages('Rcmdr',dependencies=TRUE) Installing package(s) into ‘/usr/local/lib/R/site-library’ (as ‘lib’ is unspecified) --- Please select a CRAN mirror for use in this session --- Loading Tcl/Tk

t<--4:4 y<-c(5,7,10,13,15,16,14,12,11) plot(t,y,type="l") how can i add a curve y=0.83*t-0.44*t^2 in the graph? [[alternative HTML version deleted]]

As suggested by the following code: A <- setRefClass("A", fields = list(x = "logical"), methods = list(initialize = function(...) { x <<- FALSE initFields(...) })) A$new() # Works as expected quote <- as.character A$new() # Error in function (value) : # invalid replacement for field ?x?, should be from class ?logical? or a subclass (was class

Hi there, is it possible to register fields as you can register methods with getRefClass("Classname")$methods(.)? I know that you should usually give some thought on which fields you need and hardcode them in the class def. But I''m playing around with dynamically creating/extending sort of a template class that already offers basic functionality shared by all objects

Dear John and others, I've been wondering about whether there's any way to indicate a "nil" reference class object, which will represent "no value", and be tested for, but not fail the internal type checking. NULL is the obvious choice (or seems so to me), but can only be used if an explicit class union is created: > Foo <- setRefClass("Foo") > Bar

Hello, I wrote a class like so: > rcfdpsuperclass <- setRefClass( > Class="rcfdpsuperclass", > fields = list( > RcfpdVersion = "character"), > methods = list( > initialize = function(){ > 'Populates fields with defaults and lock as appropriate' > initFields( > RcfpdVersion =

Is it possible to override the $new(...) in the reference class generator? I have tried adding a "new" method to the methods of the class, but that is obviously not correct. I have also tried adding it to the class generator, but the class generator still uses the default constructor. As a simple example, this is the current interface: TestClass <- setRefClass

I've looked through all the doc and searched the list archives, but I just can't seem to get it to work. I have a Linux box with 5 ethernet interfaces, 3 of which have winboxes I'd like to include in my little Samba network. I'm able to get it far enough for each winbox to see the linbox, but they can't see each other. Here's my setup: Winboxes Linbox Win2k -

When dtmfmode is set to inband for SIP, and i originate a call from sip out to the PSTN, I can hear the DTMF digit twice in the audio stream. Once very briefly and once for normal duration. Our Theory: While Asterisk is parsing the DTMF, for a fraction of a second, while the end user generated DTMF is being detected, the DTMF is passed inband. Once the DTMF is detected Asterisk silences it

Hi all, I have a problem in that when I plot points that have a high degree of precision, some significant rounding seems to occur, resulting in uneccessary overlap of my points. Is there a way to specify the resolution or precision in plotting functions? Is there an underlying grid I have to modify somehow? Many Thanks, Jon -- Mares eat oats and does eat oats and little lambs eat ivy. A

Hello, I am having a problem which stems from the fact that the Agents that handle my call queues are unaware if there are are people waiting in the queue. I have found the following configuration options but they are not very helpful. in queues.conf: announce=xxx The "announce = XXX" option in queues.conf makes Asterisk play the XXX announcement to the member of the queue who

Hi, I'd like to build a toolkit CD specifically for conducting forensics on FreeBSD. I'm not talking about a bootable CD but rather one that I could pop into a CD ROM drive and run trusted commands like ps, netstat, ls, etc., from. I'd like to build a CD that would work on -RELEASE versions of FreeBSD like 5.1 and -STABLE versions of FreeBSD too. Can anyone give me any pointers

Hi, I'd like to build a toolkit CD specifically for conducting forensics on FreeBSD. I'm not talking about a bootable CD but rather one that I could pop into a CD ROM drive and run trusted commands like ps, netstat, ls, etc., from. I'd like to build a CD that would work on -RELEASE versions of FreeBSD like 5.1 and -STABLE versions of FreeBSD too. Can anyone give me any pointers

> setRefClass("Foo", fields = list()) Error in setRefClass("Foo", fields = list()) : A list argument for fields must have nonempty names for all the fields In my opinion, the above should not fail. There are no fields. Thanks, Michael [[alternative HTML version deleted]]

Hi, New to this list, and glad I found R5 which si a great improvement to R for my work. Something seems odd anyway, when I do a setRefClass, the initialize method execute at the class definition. I would like it to execute only when an instance is created. How can I do that? I found no way to test if the code execution is when the class definition happens or when a $new instance is created.