[R] how to resample (or resize) matrix?

2006-07-27 Thread Vladimir Eremeev
Dear r-help, I have a matrix, suppose, 10x10, and I need the matrix 5x5, having in each cell a mean value of the cells from the initial matrix. Please, point me to a function in R, which can help me doing that. Digging the documentation and mail archives didn't give me a result.

Re: [R] how to resample (or resize) matrix?

2006-07-27 Thread Vladimir Eremeev
   100 rmean jh [,1] [,2] [,3] [,4] [,5] jh [1,]  6.5 26.5 46.5 66.5 86.5 jh [2,]  8.5 28.5 48.5 68.5 88.5 jh [3,] 10.5 30.5 50.5 70.5 90.5 jh [4,] 12.5 32.5 52.5 72.5 92.5 jh [5,] 14.5 34.5 54.5 74.5 94.5 jh   jh On 7/27/06, Vladimir Eremeev [EMAIL PROTECTED] wrote:Dear r-help, jh I have

Re: [R] how to resample (or resize) matrix?

2006-07-27 Thread Vladimir Eremeev
Dear Robin, Thank you, seems it is what I need. --- Best regards, Vladimirmailto:[EMAIL PROTECTED] __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide

Re: [R] how to resample (or resize) matrix?

2006-07-27 Thread Vladimir Eremeev
Dear Sean, Thursday, July 27, 2006, 3:31:31 PM, you wrote: SOR Hi Vladimir, SOR I was wondering whether this was image related :-) Yes, that's right, I am doing image processing with R. SOR would one of the image related libraries do it for you? SOR looking at SOR

[R] plot correlation matrix

2006-09-21 Thread Vladimir Eremeev
Dear useRs, While exploring new R packages, I have found the Rattle. This screenshot http://rattle.togaware.com/rattle-correlation.png is very interesting (others are in http://rattle.togaware.com/rattle-screenshots.html ). Which function was used to produce this plot? Is such plotting of the

[R] package usage statistics.

2006-09-26 Thread Vladimir Eremeev
Dear useRs, Is it possible to get the R package usage statistics? That is, does R contain any tools to estimate which packages were used and how often? I am going to temporary change the workplace and packing the data and their processing scripts on my computer in order to continue my

Re: [R] package usage statistics. (UPDATE)

2006-09-26 Thread Vladimir Eremeev
Here is the perl script with some comments pre #!/bin/perl -w use File::Find; # we use the standard Perl module. # its procedure will scan the directory tree and put all package names to the hash # along with counting the number of their loadings. %pkgs=(base=-1,#

Re: [R] package usage statistics. (UPDATE)

2006-09-26 Thread Vladimir Eremeev
Dear Roger, Tuesday, September 26, 2006, 4:16:38 PM, you wrote: RB On Tue, 26 Sep 2006, Vladimir Eremeev wrote: Here is the perl script with some comments RB ?? Sorry, forgot to mention, this script is designed to run from the root of the working directory tree. It scans all R session

[R] strange error in mtrace

2006-10-17 Thread Vladimir Eremeev
Dear useRs, I am experiencing very strange error with Mark Bravington's package debug. I haven't seen them before. Here is the sample session library(debug) Loading required package: mvbutils MVBUTILS: no tasks vector found in ROOT Loading required package: tcltk Loading Tcl/Tk interface ...

Re: [R] RGtk2 loading errors

2006-10-18 Thread Vladimir Eremeev
Dear Christian, Tuesday, October 17, 2006, 11:26:07 PM, you wrote: SC I had exactly the same problem with the installtion of rattle: SC After calling library(RGtk2) SC I get the message The procedure entry point SC atk_relation_add_targetcould not be located in the dynamic link SC library

[R] would like to see R plots on local X display

2006-11-02 Thread Vladimir Eremeev
Dear useRs, Sorry, if this is a FAQ. I just need the direction to dig. I am working on the linux box (its DNS name is raccoon, to be definite), Fedora Core 3. I connect with ssh to another linux box (Debian, dns name chena) and run R on it. When I call a plotting function from the R command

Re: [R] Better y-axis labels, and x-axis scaling

2006-11-02 Thread Vladimir Eremeev
Andre Nathan andre at digirati.com.br writes: Thanks Ben. Do you know how the the x axis can be made shorter? If you want to shorten the x interval, use xlim=c(0,750) Otherwise, if you want to decrease the physical width of your plot, you should use the width= argument in call to png, when

Re: [R] Complex plotting problem

2006-11-02 Thread Vladimir Eremeev
I did this with points by supplying the vector in the col= argument. That is, plot(x=x.vector,y=y.vector,col=col.table[y.vector*100+100],pch=16) It is presumed, that col.table contains 200 colors, and y.vector is in (-1,1) range. You can write your own expression to define the color for

[R] something wrong with the R repository USA(WA) (fhcrc.org)

2006-11-02 Thread Vladimir Eremeev
I have temporarily changed my working place and now checking for updates the R repository at the University of Washington, closest to me. It doesn't give updates. call update.packages(ask=FALSE) with repository USA(WA) didn't do anything, but call update.packages(ask=FALSE) with repository

Re: [R] ssh and X11 forwarding (would like to see R plots on local X display)

2006-11-02 Thread Vladimir Eremeev
Deepayan Sarkar deepayan.sarkar at gmail.com writes: I am working on the linux box (its DNS name is raccoon, to be definite), Fedora Core 3. I connect with ssh to another linux box (Debian, dns name chena) and run R on it. When I call a plotting function from the R command line, it

Re: [R] ssh and X11 forwarding

2006-11-03 Thread Vladimir Eremeev
Everything is enabled, but still doesn't work. xeyes and xclock give errors (Error: Can't open display: localhost:10.0), R produces Rplots.ps I also have a windows box, and go to chena using PuTTY. I have cygwin with X server installed on it. If I enable X11 forwarding in PuTTY, start

Re: [R] command option for R CMD BATCH

2006-11-23 Thread Vladimir Eremeev
Patrick Connolly p_connolly at ihug.co.nz writes: What I'd like to do is avoid the need to make the Month.r files and have the script pass the month information directly to the function that a single .r file would call. ?commandArgs __

Re: [R] Getting DataFrame Name from Text String

2006-12-11 Thread Vladimir Eremeev
consider get or as.name __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.

Re: [R] How to debug R program?

2006-12-28 Thread Vladimir Eremeev
Hi everyone: Please, refer to the chapter 9 of the R language definition ($R_HOME/doc/ manual/r-lang.pdf) The simplest way is using print() functions. Besides the debugging functions described in the manual, you can use the very powerful package debug, developed by Mark Bravington.

Re: [R] Three horizontal axes OR Two axes on same side?

2007-01-11 Thread Vladimir Eremeev
However, I don't know how to produce two axes on the same side of the plot. Any pointers or examples? Try manually drawing the axis using lines() or segments() or arrows() and text() or mtext() __ R-help@stat.math.ethz.ch mailing list

[R] simpler solution (untested)

2007-01-11 Thread Vladimir Eremeev
?axis says that this function has the logical parameter outer indicating whether the axis should be drawn in the outer plot margin, rather than the standard plot margin. You could try two calls to it with different outer values. __

Re: [R] Three horizontal axes OR Two axes on same side?

2007-01-11 Thread Vladimir Eremeev
axis(1, line=-3) I have just come to this solution. However, it seems, I don't understand the meaning of the outer parameter. What is it for? __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the

Re: [R] Problem with pdf, png, jpeg devices and files n amed CON on Window s

2007-01-15 Thread Vladimir Eremeev
Looks like it's a windows' problem. You also cannot create a file with the name con and any extension from the command line. Try echo something con.txt __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do

Re: [R] Row limit for read.table

2007-01-17 Thread Vladimir Eremeev
The problem is somewhere in the file, probably with tab characters, as removing sep= from your call does the job. dfr-read.table(Tchange_rates_crawled.dat,header=TRUE) str(dfr) 'data.frame': 122271 obs. of 5 variables: [skipped] dfr-

Re: [R] 3D Plot

2007-01-18 Thread Vladimir Eremeev
About 3D plots: http://finzi.psych.upenn.edu/R/Rhelp02a/archive/6439.html Many other plot examples: http://addictedtor.free.fr/graphiques/allgraph.php I used rgl, it can produce interactive plots, which can be rotated, increased and decreased with the mouse. Hi all R users, I want to

[R] about rgl package.

2007-01-18 Thread Vladimir Eremeev
The statement that it is for windows only in the first link in my previous post seems to me obsolete now. Unfortunately, I don't remember exactly, probably, I have used it in Linux. __ R-help@stat.math.ethz.ch mailing list

Re: [R] selecting rows for inclusion in lm

2007-01-18 Thread Vladimir Eremeev
Why not use the subset option? Something like: lm(diff ~ Age + Race, data=data, subset=data$Meno==PRE) should do the trick, and be much easier to read! data$ could be omitted, simply lm(diff ~ Age + Race, data=data, subset=Meno==PRE) __

Re: [R] why not to enclose in 'try' everything?

2007-01-23 Thread Vladimir Eremeev
fit-NULL try ( { fit - lm(y~x, data = data_fitting) coeffs - as.list(coef(fit)) ## other subsequent processes }, silent =TRUE) -- View this message in context:

[R] how to explore contents of R data file from command line?

2007-01-29 Thread Vladimir Eremeev
Dear all, I have a directory with my research project, containing files .RData and inflow.RData I am just curious, is there any way to explore contents of inflow.RData from command line without affecting .RData and without copying inflow.RData to another location? I can see names and

Re: [R] how to explore contents of R data file from command line?

2007-01-29 Thread Vladimir Eremeev
()) ls() choose the file .RData On 29/01/07, Vladimir Eremeev [EMAIL PROTECTED] wrote: Dear all, I have a directory with my research project, containing files .RData and inflow.RData I am just curious, is there any way to explore contents of inflow.RDatafrom command line without affecting

Re: [R] Loop with string variable AND customizable summary output

2007-01-29 Thread Vladimir Eremeev
C.Rosa wrote: Dear All, I am using R for my research and I have two questions about it: 1) is it possible to create a loop using a string, instead of a numeric vector? I have in mind a specific problem: for (i in c(UK,USA)) output{i}-summary(lm(y{i} ~ x{i})) In other words, at

Re: [R] Loop with string variable AND customizable summary output

2007-01-29 Thread Vladimir Eremeev
That is C.Rosa wrote: for (i in c(UK,USA)) output{i}-summary(lm(y{i} ~ x{i})) for (i in c(UK,USA)) { lm.txt-paste(output,i,-,lm(,y,i,x,i,),sep=) # 1. produce a character string containing needed expression eval(parse(text=lm.txt)) # 2.

[R] sorry, I forgot the tilde

2007-01-29 Thread Vladimir Eremeev
Vladimir Eremeev wrote: That is C.Rosa wrote: for (i in c(UK,USA)) output{i}-summary(lm(y{i} ~ x{i})) for (i in c(UK,USA)) { lm.txt-paste(output,i,-,lm(,y,i,~,x,i,),sep=) # 1. produce a character string containing needed expression eval(parse(text=lm.txt

[R] R syntax highlighting for FAR manager's plugin Colorer

2007-01-30 Thread Vladimir Eremeev
Does anyone use FAR manager? If yes, does that one use the Colorer plugin with the FAR? And, if yes, does that one have a file for Colorer, describing R syntax? :) -- View this message in context:

Re: [R] How to find series of small numbers in a big vector?

2007-01-30 Thread Vladimir Eremeev
I would try using na.contiguos from package stats. R.utils has seqToIntervals.defaul, which Gets all contigous intervals of a vector of indices. (I didn't use the latter, help.search(contiguous) gave me that name). -- View this message in context:

[R] about sorting

2007-01-30 Thread Vladimir Eremeev
see ?order ar2[,order(colnames(ar2))] Federico Abascal wrote: I have another question: how can I sort the columns of an array according to its column names (for ar2, change CAEB to ABCE)? -- View this message in context:

Re: [R] how to join two arrays using their column names intersection

2007-01-30 Thread Vladimir Eremeev
dfr1-merge(ar1,ar2,all=TRUE) result-as.matrix(dfr1[apply(dfr1,2,function(x)!any(is.na(x)))]) Federico Abascal wrote: Dear all, I have a problem that may be someone of you can help. I am a newbie and do not find how to do it in manuals. I have two arrays, for example: ar1 -

Re: [R] Adding Scale to image

2007-01-30 Thread Vladimir Eremeev
Dr. med. Peter Robinson wrote: I have used the image() function to show a heat plot of a matrix of data whose intensity is color-coded. I have two questions that I have not been able to solve by using the help system or google. 1) How can one add a scale/legend that shows what

Re: [R] How to print the objects in the memory

2007-01-31 Thread Vladimir Eremeev
1. ? ls.str() 2. My favourite eval(parse(text= ... )) :) sapply(ls(),FUN=function(x)eval(parse(text=x))) -- View this message in context: http://www.nabble.com/-R--How-to-print-the-objects-in-the-memory-tf3147472.html#a8725398 Sent from the R help mailing list archive at Nabble.com.

Re: [R] Adding Scale to image

2007-01-31 Thread Vladimir Eremeev
image.plot from fields plots an image and a legend (or scale) Dr. med. Peter Robinson wrote: I have used the image() function to show a heat plot of a matrix of data whose intensity is color-coded. 1) How can one add a scale/legend that shows what numerical values a given color

Re: [R] help with function system and MS-DOS command TYPE

2007-01-31 Thread Vladimir Eremeev
Chen, Xiao wrote: Greetings - I have a quick question that I hope someone will have a quick answer. I have tried to use the R function system with the MS-DOS command type to display the full content of a text file. But it always returns with a message saying the text file is not found.

Re: [R] Calling C code from R

2007-02-01 Thread Vladimir Eremeev
You need to install perl and MinGW, at least. If you have them installed, then you need to properly set PATH environment variable and, probably, restart your command line session. See chapter 5 of the manual Writing R extensions (installed in R_HOME/doc/manual) and these two links

Re: [R] How can I calculate conditional mean in a large dataset including date data

2007-02-01 Thread Vladimir Eremeev
dfr-data.frame(day=c(1/1/1970,5/1/1970,5/12/2003,31/12/2003),temperature=c(1,-1,2,0.5)) dfr day temperature 1 1/1/1970 1.0 2 5/1/1970-1.0 3 5/12/2003 2.0 4 31/12/2003 0.5

Re: [R] writing a fomated matrix

2007-02-05 Thread Vladimir Eremeev
Milton Cezar Ribeiro wrote: I have a 1000x1000 matrix and I would like to write it in a ASC file, where each row from my matrix are written in a separated line. I tryed write() function, but it don´t work fine to me. any idea? Kind regards, Miltinho What was unsatisfying? You could

Re: [R] Exact matching with grep

2007-02-05 Thread Vladimir Eremeev
Mahieux Dimitri wrote: I would know if it is possible with grep to match a exact string. For example, I want to match the string DP2 (and only this) and grep match DP2BS too. I have sought in the grep help but I didn't find what I want. grep(DP2, {other arguments}, fixed=TRUE) ?grep

Re: [R] Exact matching with grep

2007-02-05 Thread Vladimir Eremeev
Thank you. There was my misunderstanding of the documentation. (Un)fortunately, I haven't met the cases, when my code worked incorrectly. Peter Dalgaard wrote: Vladimir Eremeev wrote: Mahieux Dimitri wrote: I would know if it is possible with grep to match a exact string. For example, I

Re: [R] heatmap from xyz data

2007-02-06 Thread Vladimir Eremeev
You can use plot(y~x,col=color.index.in.palette.defined.from(z),pch=20,type=p) where color.index.in.palette.defined.from(z) is a function or an expression, returning either a color index in a predefined palette or any other color representation, suitable for R. This is described in ?par. I

Re: [R] Query about merging two tables

2007-02-06 Thread Vladimir Eremeev
Wensui Liu wrote: subset(table1, rate != 999id == table2$id) On 2/6/07, lalitha viswanath [EMAIL PROTECTED] wrote: Hi I have table1 which has the foll. columns id age rate and table2 which has the foll. columns id count I wish to get data from table1 for all the ids which are

Re: [R] Convert Class numeric to class lm

2007-02-07 Thread Vladimir Eremeev
Simon P. Kempf wrote: Background: I have five multiple imputed datasets. For each datasets I have run a regression analysis and combined the regression coefficients according to Rubin (1987) rule. So, now you have two numeric values: slope and offset. Right? Simon P. Kempf wrote:

Re: [R] path for source()

2007-02-08 Thread Vladimir Eremeev
Here is the discussion about the function search.path() http://finzi.psych.upenn.edu/R/Rhelp02a/archive/34411.html which searches the PATH variable for your script and returns the full path. You also can put your script contents in functions, then create a package and load it with library().

Re: [R] Help neural network in R

2007-02-13 Thread Vladimir Eremeev
Here is the list of NN related packages http://cran.r-project.org/src/contrib/Views/MachineLearning.html I also have written some bindings from R to the SNNS (Stuttgart neural network simulator), however, they are still not on the release stage. vinod gullu wrote: I am interested in Neural

[R] or, you could consider R-spatial.

2007-04-05 Thread Vladimir Eremeev
http://r-spatial.sourceforge.net Linda Smith wrote: I have a netcdf gridded file with LCC projection. I can easily use image.plot to visualize it. However, as the axises are in X,Y, not Lat and Lon, I could not add state or country maps onto it (or lat lon information). I do have a

Re: [R] reading of a matrix

2007-04-05 Thread Vladimir Eremeev
Schmitt, Corinna wrote: I still have problems with the reading of a matrix. Input: matrixData6.txt A-Paar B-Paar C-Paar D-Paar E-Paar A 1 3 5 7 9 B 2 4 6 8 10 R-commands: y=read.table(file=Z:/Software/R-Programme/matrixData6.txt) y Result: A.Paar B.Paar C.Paar

Re: [R] how to image.plot a XY grid file into a lat-lon map

2007-04-05 Thread Vladimir Eremeev
If your country or state borders are polygons or polylines, you could convert them to desired projection using the function project from the package rgdal. Latitude-longitude grid also could be added by generating desired polylines in lat-lon and converting them to the desired projection using

[R] how to exclude some packages from help.search() ?

2007-04-06 Thread Vladimir Eremeev
I have installed RGTk2 to satisfy other package requirements. I am not planning to use it in my own work. Occasionally I search through the R help using the help.search() function, and every time it returns me lots of references to the functions in the RGtk2 package, which I don't need. I would

Re: [R] how to image.plot a XY grid file into a lat-lon map

2007-04-09 Thread Vladimir Eremeev
Hello Linda, Friday, April 6, 2007, 2:47:43 AM, you wrote: LS On 4/5/07, Vladimir Eremeev [EMAIL PROTECTED] wrote: VE If your country or state borders are polygons or polylines, you could convert VE them to desired projection using VE the function project from the package rgdal. VE Latitude

Re: [R] using install.packages via proxy

2007-04-12 Thread Vladimir Eremeev
What operating system do you use? If you use Windows, than open the Control Panel, double click on the System icon, go to Advanced tab, press Environment variables button, then press New to create one more new variable, enter http_proxy as the Name of variable, and

Re: [R] Export multiple data files from R

2007-04-17 Thread Vladimir Eremeev
You didn't describe the exact format of the .gpr files. There are 32 heading lines in each file, which are now hidden from R community. You 'skip' 31 of them in read.table, and one more plays header ('header=T'). Since you are using read.table, your files are usual ascii files. You shoud use

Re: [R] A structured output from for(i...)?

2007-04-19 Thread Vladimir Eremeev
Try using cat, paste(c(c(,paste (. .. .. collapse=,),))), format, formatC and others francogrex wrote: Hello I am using the for (i...) and a sink() into a file. But the output I am having is not arranged in either a vector or any other good structure. I would like to have the output in a

Re: [R] automating merging operations from multiple dataframes

2007-04-23 Thread Vladimir Eremeev
Consider sapply and get. There might be something like the following (untested) fn-function(l){ # l is supposed to be a letter. Errors will occur otherwise. #constructing names dfr.name-paste(toupper(l),INDSLIM,sep=) column.name-paste(tolower(l),region,sep=) #retrieving data from the

Re: [R] Random Number Generator of Park and Miller

2007-04-23 Thread Vladimir Eremeev
gracezhang wrote: Hi, I failed to search for R package providing random number generator of Park and Miller. Anyone know any R package supporting this kind of function? I failed too. However, here is the source code http://www.firstpr.com.au/dsp/rand31/ which can be either easily

Re: [R] Random Number Generator of Park and Miller

2007-04-23 Thread Vladimir Eremeev
By the way, AFAIK, R uses the Mersenne-Twister random number generator, which has a much better reputation for producing numbers than any linear congruential PRNG (the same url, http://www.firstpr.com.au/dsp/rand31/) gracezhang wrote: I failed to search for R package providing random number

Re: [R] adding a column to a matrix

2007-04-26 Thread Vladimir Eremeev
m-cbind(m,0) m[m[,3]m[,4],5]-1 colnames(m)[5]-censoring raymond chiruka wrote: i would like to add a variable to an existing matrix by manipulating 2 previous variables eg for the data m treat strata censti survTime [1,] 1 2 284.684074 690.4961005

Re: [R] searching for special variables

2007-05-03 Thread Vladimir Eremeev
ls(pattern=.*777.*) Schmitt, Corinna wrote: Dear R-Experts, in my program I have a big workspace. Now I want to look for all variables which have the letters 777 in their name (e.g. ask777first) and afterwards I need to delete those variables. How can I reach this aim? -- View

Re: [R] searching for special variables

2007-05-03 Thread Vladimir Eremeev
sorry, forgot to delete objects. rm(list=ls(pattern=.*777.*)) Vladimir Eremeev wrote: ls(pattern=.*777.*) Schmitt, Corinna wrote: in my program I have a big workspace. Now I want to look for all variables which have the letters 777 in their name (e.g. ask777first) and afterwards I

Re: [R] adding a column to a matrix

2007-05-03 Thread Vladimir Eremeev
32.971439  247.21786            0 rc  [3,]    2  1 85.758253  797.04949            0 rc  [4,]    1  1 16.999171   78.92309 0 rc l used matrix to genarate the data rc thanks in advance rc Vladimir

Re: [R] convert text to exprission good for lm arguments

2007-05-03 Thread Vladimir Eremeev
Vadim Ogranovich wrote: Hi, I ran into a problem of converting a text representation of an expression into parsed expression to be further evaluated inside lm (). n - 100 data - data.frame(x= rnorm (n), y= rnorm (n)) data. lm - lm (y ~ x, data=data) ## this works

Re: [R] upgrade to 2.5

2007-05-03 Thread Vladimir Eremeev
I usually install a new version over the old one (in the same directory). I did this since R 1.xx, using windows 2000 and then windows XP. No bugs were found, everything always works fine. Iasonas Lamprianou wrote: Hi I am using R version 2.4.1. How can I upgrade to version 2.5 without

Re: [R] Error in if (!length(fname) || !any(fname == zname)) { :

2007-05-04 Thread Vladimir Eremeev
For me, the simplest way to find, what is wrong, would be tracing the R code: library(debug) mtrace(cph) cph(Surv(time.sur, status.sur)~ strat(colon[,13])+colon[,18] +colon[,20]+colon[,9], surv=TRUE) ... then find the place of the error and analyze how to adjust the function call arguments to

Re: [R] Library Package for Tobit regression

2007-05-04 Thread Vladimir Eremeev
Here is some information on this regression in R http://tolstoy.newcastle.edu.au/R/help/06/02/21153.html Abdus Sattar wrote: I am want to use tobit regression for left censored panel/longitudinal data. Could you please provide me the name of library and/or package that will give me option

Re: [R] Error in if (!length(fname) || !any(fname == zname)) { :

2007-05-04 Thread Vladimir Eremeev
Vladimir Eremeev wrote: For me, the simplest way to find, what is wrong, would be tracing the R code: library(debug) mtrace(cph) cph(Surv(time.sur, status.sur)~ strat(colon[,13])+colon[,18] +colon[,20]+colon[,9], surv=TRUE) ... then find the place of the error and analyze how

Re: [R] creating a new column

2007-05-07 Thread Vladimir Eremeev
To create 6th column in the matrix m, you should use the cbind function. To calculate the vector of pairwise min or max values, you should use the pmin and pmax functions: act.surv.time-pmin(m[,censoringTime],m[,survivalTime]) m-cbind(m,act.surv.time) raymond chiruka wrote: hie l would like

[R] looking for equivalent of matlab's medfilt1 function

2007-05-07 Thread Vladimir Eremeev
Dear all, I have several files with Matlab code, which I am translating to R. For the zero-level approach, I took the very old shell script from R-help archives, which has made some obvious leg-work such as replacement of = with -. Now I am translating indexing, matrix operations and function

[R] Piecewise cubic Hermite interpolation

2007-05-08 Thread Vladimir Eremeev
Which function implements the piecewise cubic Hermite interpolation? I am looking for equivalent of matlab's interp1 with the method = 'pchip' Here is the reference http://www.mathworks.com/access/helpdesk/help/techdoc/index.html?/access/helpdesk/help/techdoc/ref/interp1.html; -- View this

Re: [R] trouble with help

2007-05-08 Thread Vladimir Eremeev
Did you try manually opening the file mentioned in the browser (Z:\Software\R\R-2.5.0\doc\html\index.html) ? Does this file exist? Was the html help installed? Schmitt, Corinna wrote: Hallo, I just updated to the new version of R by installing everything new. Now I have a problem with

Re: [R] trouble with help

2007-05-08 Thread Vladimir Eremeev
-Ursprüngliche Nachricht- Von: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Im Auftrag von Vladimir Eremeev Gesendet: Dienstag, 8. Mai 2007 12:22 An: r-help@stat.math.ethz.ch Betreff: Re: [R] trouble with help Did you try manually opening the file mentioned in the browser (Z:\Software\R\R

Re: [R] minimum of each row in a matrix

2007-05-08 Thread Vladimir Eremeev
Looks like you are reading manuals and these mailings insufficiently carefully. ?apply says that if its second argument is 1, it gives you what you want. Gabor Csardi has also written you this. If you have several vectors, not a single matrix, you can use pmin:

Re: [R] Piecewise cubic Hermite interpolation [FOUND]

2007-05-10 Thread Vladimir Eremeev
'pchip' from the 'signal' package seems to do the desirable operations. Vladimir Eremeev wrote: Which function implements the piecewise cubic Hermite interpolation? I am looking for equivalent of matlab's interp1 with the method = 'pchip' Here is the reference http

Re: [R] how to control the sampling to make each sample unique

2007-05-10 Thread Vladimir Eremeev
Urania Sun wrote: I have a dataset of 1 records which I want to use to compare two prediction models. I split the records into test dataset (size = ntest) and training dataset (size = ntrain). Then I run the two models. Now I want to shuffle the data and rerun the models. I want

Re: [R] Batch

2007-05-14 Thread Vladimir Eremeev
elyakhlifi mustapha wrote: I saw the R-help to run some R programs in batch I used it like this R CMD BATCH C:/Documents and Settings/melyakhlifi/Bureau/calcara.r Erreur : erreur de syntaxe dans R CMD but without success!!!I don't work on linux but on windows IS it the same command ?

Re: [R] space in R

2007-05-15 Thread Vladimir Eremeev
elyakhlifi mustapha wrote: hello, can you help me I need to seperate words and symbol in a mathematics formula as follow C744=(C627*C177)/100 How could I do please? If you need to simply split a character vector, use strsplit. This and previous your posts suggest you need to

Re: [R] qr.solve and lm (addition)

2007-05-15 Thread Vladimir Eremeev
Vladimir Eremeev wrote: Dear R experts, I have a Matlab code which I am translating to R in order to examine and enhance it. First of all, I need to reproduce in R the results which were already obtained in Matlab (to make sure that everything is correct). There are some matrix

Re: [R] qr.solve and lm (SOLVED)

2007-05-15 Thread Vladimir Eremeev
Vladimir Eremeev wrote: Dear R experts, I have a Matlab code which I am translating to R in order to examine and enhance it. First of all, I need to reproduce in R the results which were already obtained in Matlab (to make sure that everything is correct). There are some matrix

Re: [R] drop a letter

2007-05-16 Thread Vladimir Eremeev
elyakhlifi mustapha wrote: hello, how can I do to drop C from this character C325 ? 1. if C is always single and always first: substring(C325,2) 2. more generic solution, drops all letters sp-unlist(strsplit(C325,split=[A-Z])) sp-sp[nchar(sp)0] sp -- View this message in context:

Re: [R] Running R function as a Batch process

2007-05-16 Thread Vladimir Eremeev
d. sarthi maheshwari wrote: Hi, I am struggling with using R CMD BATCH command. Kindly suggest solution to the following problem. I have a function named CinC with accept two input parameters. This can be shown as: CinC - function(start, end) where start and end both are

Re: [R] rJava problem

2007-05-17 Thread Vladimir Eremeev
mister_bluesman wrote: Basically, I’m trying to install rJava on my windows XP machine. I think I have succeeded in doing so as it appears in the list when i type library() in R. However, when i type ‘library(rJava)’ I get an error dialog box saying: 'This application has failed to

Re: [R] rJava problem

2007-05-17 Thread Vladimir Eremeev
mister_bluesman wrote: Ah thanks for that. That seems to have done the trick. But I'm not sure whether I have copied the right jvm.dll file into the path. I have 3 places where a jvm.dll file can be found: ~\Java\jre1.6.0_01\bin\client -this is the one i copied

Re: [R] using lm() with variable formula

2007-05-21 Thread Vladimir Eremeev
I was solving similar problem some time ago. Here is my script. I had a data frame, containing a response and several other variables, which were assumed predictors. I was trying to choose the best linear approximation. This approach now seems to me useless, please, don't blame me for that.

[R] ... and 5 cents more.

2007-05-21 Thread Vladimir Eremeev
Vladimir Eremeev wrote: I was solving similar problem some time ago. Here is my script. I had a data frame, containing a response and several other variables, which were assumed predictors. I was trying to choose the best linear approximation. This approach now seems to me useless

Re: [R] Legend outside plotting area

2007-05-22 Thread Vladimir Eremeev
RSiteSearch(legend outside plot) will bring you many links to the discussions of this question. layout perfectly allows everything. typical sequence looks like this This divides the device region by two parts one below another: layout(matrix(c(1,2),byrow=TRUE), heights=[blah-blah-blah], [some

[R] Please, remind a function name

2007-05-22 Thread Vladimir Eremeev
Sorry, I'm stuck. :) I am writing a function, which would fit either one linear model or another one, depending on its argument model.type. And I don't want to use several if's, because R allows doing it with much more beauty. That is I am looking for prettier alternative to the following

Re: [R] Parallel processes

2007-05-22 Thread Vladimir Eremeev
snow still exists, and there is one more package snowFT on CRAN (FT stands for Fault Tolerant) Probably, you didn't find it because of typing its name in capitals. hodgess wrote: According to the R-help, at one time there was a package called SNOW. It doesn't seem to exist anymore.

Re: [R] Parallel processes

2007-05-22 Thread Vladimir Eremeev
There are R interfaces to MPI and PVM on CRAN, which are Rmpi and RPVM, respectively. hodgess wrote: I was wondering if there were any packages for parallel programming in R. According to the R-help, at one time there was a package called SNOW. It doesn't seem to exist anymore.

Re: [R] Please, remind a function name

2007-05-22 Thread Vladimir Eremeev
NextMethod(mymodel) } mymodel.S - function(a, b, method = S) cat(S:, a, b, method, \n) mymodel.HK - function(a, b, method = S) cat(HK:, a, b, method, \n) mymodel(1:3, 1:4) mymodel(1:3, 1:4, S) mymodel(1:3, 1:4, HK) On 5/22/07, Vladimir Eremeev [EMAIL PROTECTED] wrote: Sorry, I'm stuck

Re: [R] about lex/yacc

2007-05-23 Thread Vladimir Eremeev
These are not functions. These are separate products (one more is bison), aimed to help in creating programming language interpreters. You should know the C programming language and be familiar with the algorithm theory, the finite state machine theory and with the LALR grammatics, in order to

Re: [R] Please, remind a function name

2007-05-23 Thread Vladimir Eremeev
Great! I was thinking about adding such a feature in the future. Gabor Grothendieck wrote: Note that a significant difference between the two solutions is that the OO solution allows new methods corresponding to method= to be added without changing the function holding the statements.

Re: [R] how to mimic plot=F for truehist?

2007-05-25 Thread Vladimir Eremeev
By defining your own function. You can get the function body by typing its name in the R command line and pressing Enter. Copy-paste the function body in ascii file (source R code), redefine it as you like, for example, by adding desired argument and code for processing it, then source that file

Re: [R] creating txt file from data.frame

2007-05-28 Thread Vladimir Eremeev
apply(dfr,1,FUN=function(x){ cat(c(x[1], ifelse(x[2]==x[3],x[2],paste(x[2],x[3],sep=-)),\n), file=filename.txt) }) This code assumes the data frame with at least 3 columns, errors will occur if there will be

Re: [R] search path question

2007-05-29 Thread Vladimir Eremeev
Yes, it is. The original is here http://finzi.psych.upenn.edu/R/Rhelp02a/archive/92829.html However, it requires some modifications. Here they are. Sorry, I can test it only in Windows. search.source - function(file, path=Sys.getenv(PATH), ...) { for(p in

[R] Where is CRAN mirror address stored?

2007-05-31 Thread Vladimir Eremeev
When I update.packages(), R shows the dialog window, listing CRAN mirrors and asks to choose the CRAN mirror to use in this session. Then, R uses this address and never asks again until quit. Is there any way to make R ask for the CRAN mirror again, except restarting it? I am just trying to

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