Re: [R] strucchange breakpoints r-squared

2013-01-20 Thread Achim Zeileis
On Sun, 20 Jan 2013, Geoffrey Smith wrote: Can anyone please tell me how to get the r-squared output from a piecewise (segmented) regression using the strucchange package? Here is the R code I have tried thus far. library(lmtest) library(strucchange) data <- ts(c(rnorm(30), runif(30)), freq

Re: [R] compare and count data

2013-01-20 Thread arun
HI, Your example data had only 4 columns mydata<-read.table(text="   3.014505 62.96425 3.014505 138.0673   2.817503 56.03400 2.817503 133.3411   2.976227 47.12192 2.976227 139.2438   2.825495 75.05284 2.825495 129.2959   2.793500 52.75190 2.793500 130.9874   3.006333 54.56210 3.006333 136.2982  

[R] How to read a file with two data sets in text format

2013-01-20 Thread Jd Devkota
Hello All, I have a data file in a text format and there are two data sets. The data set are continuous. For each data set there is a header which has the number of data rows and the name of data series. For example first data set has "6240 Terry Cove-Model". Then the data for that series follows

Re: [R] compare and count data

2013-01-20 Thread Jim Lemon
On 01/21/2013 04:39 PM, Roslina Zakaria wrote: Dear r-users, I have these data below: I would like to compare each column with a certain value and count how many in each column less than that specified value. odd column (1,3,5) will compare with 1.61 and even column (2,4,6) will compare with

Re: [R] read tab delimited file from a certain line

2013-01-20 Thread Christof Kluß
Hi Henrik, that's perfect, thanks! Greetings Christof Am 18-01-2013 19:26, schrieb Henrik Bengtsson: Christof, I've added support for this to the R.filesets package. In your case, then all you need to do is: library("R.filesets") dlf <- readDataFrame(filename, skip="^year") No need to spec

[R] compare and count data

2013-01-20 Thread Roslina Zakaria
Dear r-users,   I have these data below:   I would like to compare each column with a certain value and count how many in each column less than that specified value.    odd column (1,3,5) will compare with 1.61 and even column (2,4,6) will compare with 75 and I would like to count how many for e

Re: [R] strucchange breakpoints r-squared

2013-01-20 Thread David Winsemius
On Jan 20, 2013, at 3:05 PM, Geoffrey Smith wrote: Can anyone please tell me how to get the r-squared output from a piecewise (segmented) regression using the strucchange package? Here is the R code I have tried thus far. library(lmtest) library(strucchange) data <- ts(c(rnorm(30), runif

Re: [R] how to use "..."

2013-01-20 Thread David Winsemius
On Jan 20, 2013, at 3:52 PM, Duncan Murdoch wrote: On 13-01-20 6:23 PM, David Winsemius wrote: On Jan 20, 2013, at 11:46 AM, Duncan Murdoch wrote: On 13-01-20 2:28 PM, Steve Taylor wrote: From: Duncan Murdoch Maybe we just need a manual on how to use the existing help system. But I suspec

Re: [R] Lattice levelplot- remove unused levels per panel

2013-01-20 Thread Richard M. Heiberger
require(lattice) require(latticeExtra) data(mtcars) mt2 <- mtcars mt2$vs <- factor(mtcars$vs) mt2$cyl <- factor(mtcars$cyl) mt2$gear <- factor(mtcars$gear) lp2 <- levelplot(mpg ~ cyl*gear | vs, data=mt2, strip=strip.custom(strip.names=c(TRUE,TRUE)), scales=list(x=

Re: [R] How to check if R.app is running?

2013-01-20 Thread Nick Matzke
Probably good enough, thanks! Nick On 1/20/13 2:03 PM, Duncan Murdoch wrote: On 13-01-20 4:51 PM, Nick Matzke wrote: Hi, here's an obscure question someone can hopefully help with. I have some R code that uses stuff from parallel (now a part of the R core in 2.15 I believe), especially cluste

Re: [R] "user units" in plotrix

2013-01-20 Thread Jim Lemon
On 01/21/2013 08:59 AM, Murat Tasan wrote: hi all - i'm having some difficulty figuring out how to convert between "user units" (which i can't find a definition for in the plotrix package) and either (a) device units (e.g. inches with PDFs) or (b) user coordinates along any particular axis. as a

Re: [R] how to use "..."

2013-01-20 Thread Duncan Murdoch
On 13-01-20 6:23 PM, David Winsemius wrote: On Jan 20, 2013, at 11:46 AM, Duncan Murdoch wrote: On 13-01-20 2:28 PM, Steve Taylor wrote: From: Duncan Murdoch Maybe we just need a manual on how to use the existing help system. But I suspect people who won't read the existing manuals won't rea

Re: [R] strucchange breakpoints r-squared

2013-01-20 Thread Bert Gunter
You can't. You shouldn't. Segmented regression with unknown breakpoints in nonlinear regression, and R-squared doesn't make sense for nonlinear regression. See: https://stat.ethz.ch/pipermail/r-help/2002-July/023461.html -- Bert On Sun, Jan 20, 2013 at 3:05 PM, Geoffrey Smith wrote: > Can anyo

Re: [R] how to use "..."

2013-01-20 Thread David Winsemius
On Jan 20, 2013, at 11:46 AM, Duncan Murdoch wrote: On 13-01-20 2:28 PM, Steve Taylor wrote: From: Duncan Murdoch Maybe we just need a manual on how to use the existing help system. But I suspect people who won't read the existing manuals won't read that one, either. Duncan, I assume you

Re: [R] how to use "..."

2013-01-20 Thread Ista Zahn
On Sun, Jan 20, 2013 at 5:54 PM, John Sorkin wrote: > Why are the help pages not right? The ... construct is a fundamental part of > the language syntax. Information about this fundamental construct should be > easily available! This strikes me as a bit harsh. The information is easily availabl

[R] strucchange breakpoints r-squared

2013-01-20 Thread Geoffrey Smith
Can anyone please tell me how to get the r-squared output from a piecewise (segmented) regression using the strucchange package? Here is the R code I have tried thus far. library(lmtest) library(strucchange) data <- ts(c(rnorm(30), runif(30)), frequency = 12, start = c(2005, 01)) bpts <- breakp

Re: [R] how to use "..."

2013-01-20 Thread Duncan Murdoch
On 13-01-20 5:54 PM, John Sorkin wrote: Why are the help pages not right? The ... construct is a fundamental part of the language syntax. Information about this fundamental construct should be easily available! Yes, I agree it should be easily available. Why does that mean it has to be on the

Re: [R] how to use "..."

2013-01-20 Thread John Sorkin
Why are the help pages not right? The ... construct is a fundamental part of the language syntax. Information about this fundamental construct should be easily available! John John David Sorkin M.D., Ph.D. Chief, Biostatistics and Informatics University of Maryland School of Medicine Division

[R] multinom and stargazer

2013-01-20 Thread jjgrover
I am trying to create a LaTex table based on a multinom (nnet) object using the stargazer command. I have created a small data frame to demonstration the problem: data <- data.frame(age=1:21, hight=20:40, ed=c(1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3)) data$ed <- as.factor(data$ed) I then make a

Re: [R] sem package, suppress warnings

2013-01-20 Thread Dustin Fife
Perfect! That did it, and I learned a new function :) On Sun, Jan 20, 2013 at 2:49 PM, John Fox wrote: > Dear Dustin and Steve, > > For some reason, I didn't see Dustin's original message. > > As documented in ?sem, the warn argument to sem() covers only warnings > directly produced by the optim

Re: [R] how to use "..."

2013-01-20 Thread Duncan Murdoch
On 13-01-20 2:56 PM, Steve Taylor wrote: On 13-01-20 2:28 PM, Steve Taylor wrote: From: Duncan Murdoch Maybe we just need a manual on how to use the existing help system. But I suspect people who won't read the existing manuals won't read that one, either. Duncan, I assume you're being faceti

Re: [R] How to check if R.app is running?

2013-01-20 Thread Duncan Murdoch
On 13-01-20 4:51 PM, Nick Matzke wrote: Hi, here's an obscure question someone can hopefully help with. I have some R code that uses stuff from parallel (now a part of the R core in 2.15 I believe), especially clusterApply. However, this seems to cause problems in R.app, and I've seen advice to

[R] "user units" in plotrix

2013-01-20 Thread Murat Tasan
hi all - i'm having some difficulty figuring out how to convert between "user units" (which i can't find a definition for in the plotrix package) and either (a) device units (e.g. inches with PDFs) or (b) user coordinates along any particular axis. as an example, suppose i set up a PDF device with

[R] How to check if R.app is running?

2013-01-20 Thread Nick Matzke
Hi, here's an obscure question someone can hopefully help with. I have some R code that uses stuff from parallel (now a part of the R core in 2.15 I believe), especially clusterApply. However, this seems to cause problems in R.app, and I've seen advice to not use these multicore functions, e.g

Re: [R] sem package, suppress warnings

2013-01-20 Thread John Fox
Dear Dustin and Steve, For some reason, I didn't see Dustin's original message. As documented in ?sem, the warn argument to sem() covers only warnings directly produced by the optimizer, "warn: if TRUE, warnings produced by the optimization function will be printed. This should generally

Re: [R] sem package, suppress warnings

2013-01-20 Thread Steve Taylor
Have you tried suppressWarnings(sem(mod, S = as.matrix(dataset), N = 1000, maxiter = 1, warn = FALSE)) > -Original Message- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On > Behalf Of Dustin Fife > Sent: Saturday, 19 January 2013 5:32a > To: r-help > Su

Re: [R] how to use "..."

2013-01-20 Thread Steve Taylor
> On 13-01-20 2:28 PM, Steve Taylor wrote: > >> From: Duncan Murdoch > >> Maybe we just need a manual on how to use the existing help system. But > >> I suspect people who won't read the existing manuals won't read that > >> one, either. > > > > Duncan, I assume you're being facetious. Every R us

Re: [R] how to use "..."

2013-01-20 Thread Duncan Murdoch
On 13-01-20 2:28 PM, Steve Taylor wrote: From: Duncan Murdoch Maybe we just need a manual on how to use the existing help system. But I suspect people who won't read the existing manuals won't read that one, either. Duncan, I assume you're being facetious. Every R user soon learns to use hel

Re: [R] how to use "..."

2013-01-20 Thread Steve Taylor
> From: Duncan Murdoch > Maybe we just need a manual on how to use the existing help system. But > I suspect people who won't read the existing manuals won't read that > one, either. Duncan, I assume you're being facetious. Every R user soon learns to use help() and help.search() or their equiv

Re: [R] applying a formula from text

2013-01-20 Thread arun
Dear Ilya, Please check these links. http://stackoverflow.com/questions/4556524/whats-the-way-to-learn-r http://www.r-bloggers.com/learn-to-use-r-for-free-with-coursera/ http://stackoverflow.com/questions/192369/books-for-learning-the-r-language You may also benefit from  "An introduction to

Re: [R] select rows with identical columns from a data frame

2013-01-20 Thread David Winsemius
On Jan 20, 2013, at 9:27 AM, David Winsemius wrote: On Jan 20, 2013, at 8:26 AM, Sam Steingold wrote: * Bert Gunter [2013-01-19 22:26:46 -0800]: But David W. and Bill Dunlap gave you solutions that also work and are much faster, no?! Yes, indeed, and I am now using David's solution as

Re: [R] select rows with identical columns from a data frame

2013-01-20 Thread David Winsemius
On Jan 20, 2013, at 8:26 AM, Sam Steingold wrote: * Bert Gunter [2013-01-19 22:26:46 -0800]: But David W. and Bill Dunlap gave you solutions that also work and are much faster, no?! Yes, indeed, and I am now using David's solution as it is fast (enough), simple and concise. I am a bit

Re: [R] select rows with identical columns from a data frame

2013-01-20 Thread Sam Steingold
> * Bert Gunter [2013-01-19 22:26:46 -0800]: > > But David W. and Bill Dunlap gave you solutions that also work and are > much faster, no?! Yes, indeed, and I am now using David's solution as it is fast (enough), simple and concise. Thanks a lot to David, Bill, Rui, and arun for their answers (t

Re: [R] Lattice levelplot- remove unused levels per panel

2013-01-20 Thread ilai
On Sun, Jan 20, 2013 at 1:59 AM, ronny wrote: > Hi, > > I am using levelplot, and would like remove from each panel (condition) its > unused x levels. > Uneven scales on categorical axes lead to distortion and a miss representation (as in your example - the area for levels 4,6 in vs1 will be big

Re: [R] Does psm::Surv handle interval2 data?

2013-01-20 Thread Frank Harrell
Chris, I've fixed Surv in rms. The fix will be in the next release. For now you can do source('http://biostat.mc.vanderbilt.edu/tmp/Surv.s') after issuing require(rms). Frank Frank Harrell wrote > Chris, > > Thanks for sending the specifics. It appears that I've let Surv in rms > fall behind

[R] standard errors of marginal effects in multinomial logit

2013-01-20 Thread Kremena Bachmann
Deat R users, I am looking for a way to get standard errors of marginal effects of multinomial logit model. So far I have estimated coeficients of multinomial logit and covariance matrix of coefficients. I also managed to obtain marginal effects. However, I can not find a way to find standard

Re: [R] dummy encoding in metafor

2013-01-20 Thread Alma Wilflinger
Hi,  thank you very much for your kind answer. >If you look a bit further down the manual page you will see >### using a model formula to specify the same model >rma(yi, vi, mods=~factor(alloc)+year+ablat, data=dat, method="REML",  >btt=c(2,3)) >which is much easier. I have seen the possibili

Re: [R] dummy encoding in metafor

2013-01-20 Thread Michael Dewey
At 17:14 19/01/2013, Alma Wilflinger wrote: Hi, I am quite new to R and in need of some advice. I am trying to conduct a meta regression over a some studies with about 7 mod variables which I have to dummy encode. Alma, although you can generate your own dummy variables by hand you do not h

[R] Lattice levelplot- remove unused levels per panel

2013-01-20 Thread ronny
Hi, I am using levelplot, and would like remove from each panel (condition) its unused x levels. e.g. Remove from panel vs=1 the cyl level=8. data(mtcars) levelplot(mpg~factor(cyl)*factor(gear)|factor(vs)) Thanks for your help, Ronny -- View this message in context: http://r.789695.n4.nabbl