similar to: seq range argument

Hey all, I learned that using the equals sign "=" to assign objects is generally OK, but will not work in some cases. As I always use "<-" for assignments, I have not encoutered any problems. Could somebody provide an example or explanation, why getting used to "=" is not a good idea? Or is it? Thanks ahead, Berry ------------------------------------- Berry

hi, say I have consecutively numbered objects obj1, obj2, ... in my R workspace. I want to acces one of them inside a function, with the number given as an argument. Where can I find help on how to do that? Somebody must have been trying to do this before... Some keywords to start a search are appreciated as well. Here's an example, I hope it clarifies what I'm trying to do: obj1 <-

Hi all, I'm working on a function that reads online data that is only available to certain IPs. It then writes a subset of the data into a file. So whenever I'm logged in elsewhere or am not connected to the internet, I get an error, and the function is terminated. I want it to rather print a message into the file. Is there any way to test whether a connection can be opened? Analogous to

Hi, In the boot package, the original statistic is simply the statistic function evaluated on the original data (called t0). However, in Harrell et al 1996 "Multivariable prognostic models..." Stats Med vol 15, pp. 361--387, it is different (p. 372): The statistic function evaluated on the original data is called "D_app" (apparent statistic), whereas "D_orig"

I need to make a fairly complex animated graphic and decided to use grid for it. A very simple example of what I need: ##============================================================================== library(grid) grid.newpage() pushViewport(plotViewport()) pushViewport(viewport(xscale = extendrange(c(0, 100)), yscale = extendrange(c(0, 100)))) grid.xaxis() grid.yaxis()

Apologies if this is an <=rc19 thing, but am waiting for rc24 to come into Debian unstable/testing before upgrading. After purging ~10 messages from INBOX the index's appeared to go into a broken state. Mail client (Outlook express) reported "unable to read message flags". Logged messages: Feb 23 17:34:58 mailget01 dovecot: IMAP(drawkcab at drawkcab.com): file mail-index-view.c:

Dear all, How can I make an index plot with lattice, that is plotting a vector simply against its particular index in the vector, i.e. something similar to y <- rnorm(10) plot(y) I don't want to specify the x's manually, as this could become cumbersome when having multiple panels. I tried something like library(lattice) mp <- function(x, y, ...) { x <- 1:length(y)

Hi, I often need to extend the plot range to the right, but not to the left (for example: not below 0 so that log = "x" still works...). This could be a handy improvement of extendrange(): --- utils.R 2015-08-25 18:18:20.000000000 -0400 +++ utils.R 2018-04-25 17:21:25.000000000 -0400 @@ -30,6 +30,6 @@ ## Purpose: extend a range by a factor 'f' - on each side

Hi everyone, I'm trying to print a table justified to the left, but it doesn't work. Any hints? KennArt <- data.frame(NR=c(171,172,174,175,176,177,181,411,980), TYP=c("K?rnermais", ?"Corn Cob Mix", "Zuckermais", "Mischanbau (Silo)Mais/Sonnenblumen", ?"Mais mit Bejagungsschneise in gutem landwirtschaftlichen und ?kologischen Zustand",

I am trying to create a map with selected states based on highest to lowest mean cost. The following code properly selects the correct states, and the legend is properly color coded with ranges, but the colors per range does not match the state colors. I need help getting the state colors to match the ranges outlined in the legend. I have tried ordering the mean amounts and this correctly creates

I've used barplot(), including the anmes.arg parameter, on data frames successfully, but I'm even newer to using zoo than I am to R. :-} I am working on a functon that accepts a data frame ("df") as its primary argument, extracts information from it to create a zoo, then generates a plot based on that. The data frame has a column called "time" which is a standard

I've been trying to package DragonEgg for Fedora Linux. Fedora 16 has LLVM 2.9 and GCC 4.6, but not the necessary GCC patches. If I build LLVM 3.0 on Fedora 16, then I can build DragonEgg 3.0, and it works fine. However, I can't submit that to the repository. On the other hand, Fedora 17, which just entered Beta, has LLVM 3.0 and GCC 4.7. I wasn't able to build DragonEgg 3.0

Hey again, I didn't wat questions to get mangled up, so here's my second email. In matlab, there is the simple possibility to access colums x till last of a matrix using mydata(1:3, 5:end). In R, I so far use mydata[1:3, 5:ncol(mydata)] Is there a faster way? (in terms of typing) Thanks ahead, Berry ------------------------------------- Berry Boessenkool University of Potsdam,

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

Hello dear R-developers, two questions on an otherwise magnificent program: 1) Is there a way to set defaults for par differently than R offers normally? I for example would like to have las default to 1. (or in the same style, sometimes type in plot() could be "l" per default). Tthe following post desribes pretty much exactly that:

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Symptoms: curve with log x axis gets the wrong x limits (in 2.6.1, I believe introduced in this version). Credit goes to Mike McCoy for detecting the problem. Demonstration: x = 1:5 plot(x,5*exp(-x),xlim=c(0.1,1000),log="x") xvec = 10^seq(-1,3,length=100) lines(xvec,5*exp(-xvec)) curve(5*exp(-x),add=TRUE,col=2,lwd=3) I believe

Some thoughts for the new year: 1) MDCT is good for image coding 2) image coding and audio coding are two very different things 3) combine 1 and 2 4) if a psycho model is good, after leaving out what it tells you you can without hurting quality, applying the same model should yield the same results as you got before 5) from 4: decode -> encode -> decode should result in (almost) the

Dear R-experts, I have two problems: PROBLEM (1) ----------- I want to produce a very small png file (35 x 18 px) that contains a histogram without a figure region or margins, only the pure heights. In the base graphic system this is simple: png(filename = "hist.png", res = 72, width=35, height=18) par(mar=c(0,0,0,0), oma=c(0,0,0,0)) hist(rnorm(100),

Hi R-Users, I have a time series of bivariate observations (x,y,t). I've developed a few panel routines to explore certain aspects of the data, and now would like to break the time series up into smaller chunks to explore the temporal trends. I would like to know if anyone has any experience breaking up time series with lattice. Base graphics offers coplot, utilizing the

Me again, this time not about patents but about wavelets. I've been doing some work on an image compression method which uses Haar wavelets plus VQ and entropy coding, and Segher Boessenkool told me in a private message that you are also doing a video codec. So I searched the archives and read a bunch of posts, but I never did find out any web address. And it's not on xiph.org either. So