### [R] Firefox extension fo R Site Search

Dear useRs, = Search for your R routines directly from Firefox! http://addictedtor.free.fr/rsitesearch = Mango Solutions, providers of R and S-Plus consulting, application development and training,

### Re: [R] How to iteratively extract elements out of a list

Hi try to do it without loop lapply(m,function(x) x[x2]) HTH Petr On 25 Aug 2006 at 13:52, xpRt.wannabe wrote: Date sent: Fri, 25 Aug 2006 13:52:51 -0500 From: xpRt.wannabe [EMAIL PROTECTED] To: r-help@stat.math.ethz.ch Subject:

### [R] Rgraphviz - neato layout - edge weights do not have an effect

Dear all, neato makes layouts according to a physical model in which the length of the edges is determined by springs. The weight of the edge is the strength of the spring. However, I was not able to find any influence of edge weight on the layout. In the

### [R] nonlinear least squares trust region fitting ?

Hello! I am running R-2.3.1-i386-1 on Slackware Linux 10.2. I am a former matlab user, moving to R. In matlab, via the cftool, I performed nonlinear curve fitting using the method nonlinear least squares with the Trust-Region algorithm and not using robust fitting. Is it possible to perform

### Re: [R] Firefox extension fo R Site Search

It's excellent. Good work. Robert __ 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,

### [R] Merge list to list - as matrix

Dear all, I have dataset x - list(matrix(1:20, 5, 4),matrix(1:20, 5, 4),matrix(1:20, 5, 4)) y - list(matrix(110:114, 5, 1),matrix(110:114, 5, 1),matrix(110:114, 5, 1)) I need merge x and y as list (y put in last column). The result is something like [[1]] [,1] [,2] [,3] [,4] [,5] [1,]

### Re: [R] Merge list to list - as matrix

Here are two ways: 1. use indexes: lapply(seq(along = x), function(i) cbind(x[[i]], y[[i]])) 2. use mapply: mapply(cbind, x, y, SIMPLIFY = FALSE) On 8/28/06, Muhammad Subianto [EMAIL PROTECTED] wrote: Dear all, I have dataset x - list(matrix(1:20, 5, 4),matrix(1:20, 5, 4),matrix(1:20, 5,

### [R] screen resolution effects on graphics

Greetings, R-Citizens: I have the good fortune of working with a 19 1280 X 1024 pixel monitor. My R-code produces nice-looking graphics on this machine but the same code results in crowded plots on an older machine with 800 X 600 resolution. In hindsight this seems obvious, but I didn't

### Re: [R] screen resolution effects on graphics

how about producing pdf output- should be the same on every PC... Charles Annis, P.E. schrieb: Greetings, R-Citizens: I have the good fortune of working with a 19 1280 X 1024 pixel monitor. My R-code produces nice-looking graphics on this machine but the same code results in crowded plots

### [R] I'm on vacation

I am no longer using this email address as it is overwhelmed by unwanted SPAM therefore, please manually resend your message to e n g l i s b e r g [at] g m a i l [dot] com __ R-help@stat.math.ethz.ch mailing list

### [R] How to change the color of Plot area.

Dear all R users, Is there any effective way to change the body color of any plot? I am aware of the function par(bg=black), but the problem with this is, it change the color of entire graphics window. But I want to see that only plot area will have color for example RED and rest of the area

### Re: [R] How to change the color of Plot area.

Try: x - 1:10 # test data plot(x ~ x, type = n) u - par(usr) rect(u[1], u[3], u[2], u[4], col = grey, border = red) points(x ~ x) On 8/28/06, Arun Kumar Saha [EMAIL PROTECTED] wrote: Dear all R users, Is there any effective way to change the body color of any plot? I am aware of the function

### [R] Write signed short into a binary file

I'm using R 2.3.1 on WinXPsp2, 32 bit What I want to do is to write a signed short integer (16 bit) (actually, a sequence of them) into a binary file. I'm trying with writeBin, but the what clause is not supported, and an integer is 4 bytes long, nor it seems to exist something like as.int

### [R] Write signed short into a binary file (follow up and conclusion)

I've solved my problem using: (purpose: write the signed integer -19 as a two byte integer into a binary file) writeBin(as.integer(-19),myconnection, size=2) There is no need to coerce. Thanks anyway! Luca NanettiUniversity Medical Center Groningen BCN-NeuroImagingCenter A.Deusinglaan 2 9713AW

### Re: [R] screen resolution effects on graphics

You forgot to mention your OS. This was asked before and if I recall correctly the answer for Windows was no. An acceptable solution (imho) is to edit the Rprofile.site files and add something like pngplotwidth - 990 ; pngplotheight - 700 pdfplotwidth - 14 ; pdfplotheight - 10 Then, use these

### Re: [R] Rgraphviz - neato layout - edge weights do not have an effect

Hi Franz, This might be better directed to the bioconductor mail list. Franz Quehenberger [EMAIL PROTECTED] writes: Dear all, neato makes layouts according to a physical model in which the length of the edges is determined by springs. The weight of the edge is the strength of the spring.

### Re: [R] screen resolution effects on graphics

On Mon, 28 Aug 2006, Charles Annis, P.E. wrote: Greetings, R-Citizens: I have the good fortune of working with a 19 1280 X 1024 pixel monitor. My (Similar to our student lab has used for many years.) R-code produces nice-looking graphics on this machine but the same code results in

### Re: [R] screen resolution effects on graphics

My apologies for my oversight. I am using WindowsXP. The code that produces a nice-looking jpg (when viewed on my screen) produces cramped graphics on a 800 X 600 screen. I can change the spacings on the plot and remedy the situation for 800 X 600, but that looks awkward at 1280 X 1024. Thanks

### [R] Splancs Query

Dear R Users; I have been using the space-time K-function analysis to detect the existence of clustering in both space and time. I wish to ask and know what the minimum number of cases should be for such analyses to be valid. I have data with 23 cases and don't know how careful i should be in

### [R] Modified Bessel function of third kind (fractional or real order)

Hello, I am searching for code in C++ or fortran for Modified Bessel function of third kind (fractional or real order). Can someone help me? Thank you - Découvrez un nouveau moyen de poser toutes vos questions quelque soit le

### Re: [R] screen resolution effects on graphics

1. Put the code from www.microsoft.com/technet/scriptcenter/resources/qanda/jul05/hey0721.mspx into, say, \bin\displayconfiguration.vbs, and then from R do this: as.numeric(gsub(.* , , grep(resolution, shell('cscript \\bin\\displayconfiguration.vbs', intern = TRUE), value = TRUE))) or we

### [R] Help on function adf.test

Hello everybody, I've got a matrix called EUROPEDATA and I want to calculate the adf test statistic (part of the tseries package) on a rolling basis for window my.win on each column; i.e. each column of EUROPEDATA represents a particular variable; for the first column I calculate the adf

### Re: [R] Help on function adf.test

Put your time series into a ts or zoo object. Now using EuStockMarkets which is builtin data set in R. (You might want to use align = right in rollapply.) library(tseries) library(zoo) eu91 - window(EuStockMarkets, end = 1992) # use portion for test data eu91.p.value - rollapply(eu91, 61,

### Re: [R] Modified Bessel function of third kind (fractional or real order)

Yousra Gati a écrit : Hello, I am searching for code in C++ or fortran for Modified Bessel function of third kind (fractional or real order). Can someone help me? Thank you http://library.lanl.gov/numerical/index.html http://library.lanl.gov/numerical/bookcpdf.html see section 6 special

### [R] Help with Functions

Hello wizards, I need to convert the following functions (prestd, poststd, prepca) of matlab to R. Does Somebody knows how to do it. A description of the functions is: prestd preprocesses the network training set by normalizing the inputs and targets so that they have means of zero and standard

### Re: [R] Modified Bessel function of third kind (fractional or real order)

mel [EMAIL PROTECTED] writes: Yousra Gati a écrit : Hello, I am searching for code in C++ or fortran for Modified Bessel function of third kind (fractional or real order). Can someone help me? Thank you http://library.lanl.gov/numerical/index.html

### [R] Remove empty list from list

Dear all, I am still working with list. If I have an empty list how can I remove from list data. Here is a toy example: x - list(matrix(1:20, 5, 4),matrix(1:20, 5, 4),matrix(1:20, 5, 4),matrix(1:20, 5, 4),matrix(1:20, 5, 4)) y - list(c(1, -1, -1, 1, 1),c(1, 1, -1, -1, -1),c(1, 1, 1, 1, 1),c(1, 1,

### Re: [R] Remove empty list from list

Here is a function I use a lot to do this: delete.NULLs - function(x.list){ # delele null/empty entries in a list x.list[unlist(lapply(x.list, length) != 0)] } delete.NULLs(nc.test) [[1]] [,1] [,2] [,3] [,4] [,5] [1,]16 11 161 [2,]49 14 191 [3,]

### Re: [R] Remove empty list from list

See this post from the weekend: http://www.nabble.com/Re%3A-How-to-iteratively-extract-elements-out-of-a-list-p6002980.html On 8/28/06, Muhammad Subianto [EMAIL PROTECTED] wrote: Dear all, I am still working with list. If I have an empty list how can I remove from list data. Here is a toy

### [R] regex scares me

Hi, apologies if this is too simple but I've been stuck on the following for a while: I have a vector of strings: filenames with a name before the extension and a variety of possible extensions I want to select only those files with: 1) a .tab extension AND 2) the character sequence

### Re: [R] Remove empty list from list

On this day 28/08/2006 19:20, Muhammad Subianto wrote: Dear all, I am still working with list. If I have an empty list how can I remove from list data. Here is a toy example: x - list(matrix(1:20, 5, 4),matrix(1:20, 5, 4),matrix(1:20, 5, 4),matrix(1:20, 5, 4),matrix(1:20, 5, 4)) y -

### Re: [R] regex scares me

I think this does the trick. Note that it is case sensitive. x - c(lad.tab, xxladyy.tab, xxyy.tab, lad.tabx, LAD.tab, lad.TAB) grep(lad.*\\.tab$, x, value=T) [1] lad.tab xxladyy.tab Jon Minton wrote: Hi, apologies if this is too simple but I've been stuck on the following for a

### Re: [R] screen resolution effects on graphics

Gabor: I am afraid I am demonstrating my lack of computer savvy. As you instructed, I downloaded the code, saved it as the file you suggested, and executed this within R as.numeric(gsub(.* , , grep(resolution, shell('cscript \\bin\\displayconfiguration.vbs', intern = TRUE), value = TRUE)))

### Re: [R] regex scares me

You might want to try 'glob2rx()', as in grep(glob2rx(*.tab), x) where 'x' is a vector of strings. -roger Jon Minton wrote: Hi, apologies if this is too simple but I've been stuck on the following for a while: I have a vector of strings: filenames with a name before the extension and

### Re: [R] screen resolution effects on graphics

This is what happens when I run it in R 2.3.1: as.numeric(gsub(.* , , grep(resolution, + shell('cscript \\bin\\displayconfiguration.vbs', intern = TRUE), + value = TRUE))) [1] 1280 1024 The result is obviously dependent on your particular video card (I have a radeon). Try running it from

### Re: [R] screen resolution effects on graphics

Sorry, that still woudl not be good enough. Try this: as.numeric(sub(^[^:]*:, , grep(resolution, shell('cscript \\bin\\displayconfiguration.vbs', intern = TRUE), value = TRUE))) On 8/28/06, Gabor Grothendieck [EMAIL PROTECTED] wrote: One other idea. Replace gsub with sub and see if that

### Re: [R] screen resolution effects on graphics

One other idea. Replace gsub with sub and see if that helps. Maybe the output from the video driver has spaces in it. On 8/28/06, Gabor Grothendieck [EMAIL PROTECTED] wrote: This is what happens when I run it in R 2.3.1: as.numeric(gsub(.* , , grep(resolution, + shell('cscript

### Re: [R] screen resolution effects on graphics

This is what happened here: ls() character(0) as.numeric(gsub(.* , , grep(resolution, + shell('cscript \\bin\\displayconfiguration.vbs', intern = TRUE), value = TRUE))) numeric(0) ls() character(0) Nothing displayed; nothing created. But the DOS window DID open and something happened,

### Re: [R] screen resolution effects on graphics

Using sub rather than gsub appears to have no effect. The DOS window opens, then closes having had no noticeable effect. Charles Annis, P.E. [EMAIL PROTECTED] phone: 561-352-9699 eFax: 614-455-3265 http://www.StatisticalEngineering.com -Original Message- From: Gabor Grothendieck

### Re: [R] screen resolution effects on graphics

Prof Brian Ripley a écrit : On Mon, 28 Aug 2006, Charles Annis, P.E. wrote: Greetings, R-Citizens: I have the good fortune of working with a 19 1280 X 1024 pixel monitor. My (Similar to our student lab has used for many years.) R-code produces nice-looking graphics on this

### Re: [R] screen resolution effects on graphics

Gabor: Success! (Sort of) Running outside R in the DOS window produces C:\Program Files\R\R-2.3.1\bincscript displayconfiguration.vbs Microsoft (R) Windows Script Host Version 5.6 Copyright (C) Microsoft Corporation 1996-2001. All rights reserved. Name: NVIDIA GeForce FX 5200 Color depth: 32

### Re: [R] screen resolution effects on graphics

The problem then was likely just with my regexp. The last revision that I posted should hopefully work on your machine (all of them worked on mine). On 8/28/06, Charles Annis, P.E. [EMAIL PROTECTED] wrote: Gabor: Success! (Sort of) Running outside R in the DOS window produces C:\Program

### Re: [R] screen resolution effects on graphics

Romain: a - tempfile() cat('htmlscript type=text/javascript document.write(screen.width) ; /script/html', file=a) browseURL(a) The object a was created, but no browser opened. ls() [1] a a [1] C:\\DOCUME~1\\CHARLE~1\\LOCALS~1\\Temp\\RtmpRgWrqb\\file678418be Charles Annis, P.E.

### Re: [R] screen resolution effects on graphics

I think there are problems with browseURL on Windows XP with IE. Put the file in screen.htm and then run: shell.exec(screen.htm) it will come up -- it will block it and you will have to click to unblock it; however, that will interfere with any automatic procedure. On 8/28/06, Charles Annis,

### [R] matrix Adjoint function

Hi there, I'm new to R and despite searching today, I can't find a function which will compute the adjoint of a matrix A. Does this adjoint function exist in R? Thanks in advance! __ R-help@stat.math.ethz.ch mailing list

### Re: [R] Type II and III sum of square in Anova (R, car package)

Hello, First of all, I would like to thank everybody who answered my question. Every post has added something to my knowledge of the topic. I now know why Type III SS are so questionable. As I understood form R FAQ, there is disagreement among Statisticians which SS to use

### Re: [R] matrix Adjoint function

Jessica M. Maia [EMAIL PROTECTED] writes: Hi there, I'm new to R and despite searching today, I can't find a function which will compute the adjoint of a matrix A. Does this adjoint function exist in R? I don't think so, but the adjoint matrix is also known as the conjugate transpose and

### Re: [R] generating an expression for a formula automatically

Thank you for your responses. Prof Ripley's code only worked for a vector with 2 variables but I need the code to work for a vector of any size. To solve this I created a for loop. I'm not sure this is the most efficient way of doing it but it works. x1 - c(1,0,0,1) x2 - c(0,0,1,1) x3 -

### Re: [R] tick.number for date in xyplot

Thanks; this will have to do until a data-independent solution is implemented. I tried things like seq(min(x),max(x),by='1 month') but I always forget how to make 'x' visible inside a call to xyplot. Ben On Fri, 2006-08-25 at 17:02 -0400, jim holtman wrote: Try this:

### [R] matrix Adjoint function

Sorry but I wasn't very clear in my previous message. I want to compute the adjoint of a real matrix A, which is the transpose of the cofactor matrix of A. There is an example here: http://www.mathwords.com/a/adjoint.htm Does R have a function which will compute the cofactor of matrix A or the

### [R] Cannot get simple data.frame binding.

I am stuck on a simple problem where an example works fine but the real one does not. I have a data.frame where I wish to sum up some values across the rows and create a new data.frame with some of old data.frame variables and the new summed variable. It works fine in my simple example but I am

### Re: [R] generating an expression for a formula automatically

On Mon, 28 Aug 2006, Maria Montez wrote: Thank you for your responses. Prof Ripley's code only worked for a vector with 2 variables but I need the True for my second version (as stated). If you want elementwise sums (which is news to me), use rowSums(do.call(cbind, lapply(x, get))) or

### Re: [R] matrix Adjoint function

On Mon, 28 Aug 2006, Jessica M. Maia wrote: Sorry but I wasn't very clear in my previous message. I want to compute the adjoint of a real matrix A, which is the transpose of the cofactor matrix of A. There is an example here: http://www.mathwords.com/a/adjoint.htm Does R have a function

### Re: [R] matrix Adjoint function

Try: RSiteSearch(cofactor) On 8/28/06, Jessica M. Maia [EMAIL PROTECTED] wrote: Sorry but I wasn't very clear in my previous message. I want to compute the adjoint of a real matrix A, which is the transpose of the cofactor matrix of A. There is an example here:

### Re: [R] Cannot get simple data.frame binding.

The error message says that md1 and other have different number of rows. Please read the last line of every message to r-help. On 8/28/06, John Kane [EMAIL PROTECTED] wrote: I am stuck on a simple problem where an example works fine but the real one does not. I have a data.frame where I

### [R] Extracting column name in apply/lapply

Hi, any good trick to get the column names for title() aside from running lapply on the column indexes? Thanks Nick. apply(X[,numCols],2,function(x){ nunqs - length(unique(x)) nnans - sum(is.na(x)) info - paste(uniques:,nunqs,(,nunqs/n,),NAs:,nnans,(,nnans/n,))

### Re: [R] Cannot get simple data.frame binding.

Maybe I'm missing something, but your Real life code looks like it should work. What happens when you do: ire1 - data.frame(md1[, 1:11], other) Error in data.frame(md1[, 1:11], other) : arguments imply differing number of rows: 11, 75 str(md1[, 1:11]) str(other) ? Maybe the labelled

### Re: [R] Extracting column name in apply/lapply

Nick Desilsky wrote: Hi, any good trick to get the column names for title() aside from running lapply on the column indexes? Thanks Nick. apply(X[,numCols],2,function(x){ nunqs - length(unique(x)) nnans - sum(is.na(x)) info -

### Re: [R] Extracting column name in apply/lapply

This can be done using a similar style but without a loop by using sapply over the indexes rather than over the columns: sapply(1:ncol(X), f) f - function(i) {...whatever...} ...whatever... can now refer to colnames(X)[i] and X[,i] On 8/28/06, Sundar Dorai-Raj [EMAIL PROTECTED] wrote: Nick

### Re: [R] Type II and III sum of square in Anova (R, car package)

Dear Amasco, Again, I'll answer briefly (since the written source that I previously mentioned has an extensive discussion): -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Amasco Miralisus Sent: Monday, August 28, 2006 2:21 PM To:

### Re: [R] Cannot get simple data.frame binding.

--- Gabor Grothendieck [EMAIL PROTECTED] wrote: The error message says that md1 and other have different number of rows. Please read the last line of every message to r-help. My appologies, I forgot to include that infomation. As far as I can tell 'md1' is a data.frame of dimensions (

### Re: [R] Cannot get simple data.frame binding.

--- Tony Plate [EMAIL PROTECTED] wrote: Maybe I'm missing something, but your Real life code looks like it should work. What happens when you do: ire1 - data.frame(md1[, 1:11], other) Error in data.frame(md1[, 1:11], other) : arguments imply differing number of rows: 11, 75

### [R] Time plots

Hello all and thank you, I will try to make this as clear as I can. I have a matrix, at the top of the matrix are 4 time points, the first col describes the sample, then under each time point I have the intensity values of that sample. So : Samples 0 10 30 120 - time A

### [R] Time plots

Hello all and thank you, I will try to make this as clear as I can. I have a matrix, at the top of the matrix are 4 time points, the first col describes the sample, then under each time point I have the intensity values of that sample. So : Samples 0 10 30 120 - time A

### [R] Time plots

Hello all and thank you, I will try to make this as clear as I can. I have a matrix, at the top of the matrix are 4 time points, the first col describes the sample, then under each time point I have the intensity values of that sample. So : Samples 0 10 30 120 - time A

### [R] Time plots

### [R] Time plots

### Re: [R] matrix Adjoint function

Sometimes the term adjoint matrix refers to the matrix of cofactors, that is, the matrix of signed determinants of n-1 x n-1 dimensional submatrices. This is just the inverse multiplied by the determinant. As with both the inverse and determinant, if this is part of a larger computation there

### [R] Time plots

### [R] Time plots

### [R] Bug/problem reporting: Possible to modify posting guide FAQ?

If users post a bug or problem issue to an R-based news group (R-devel, R-help, BioC - though BioC is far more forgiving) they get yelled at for not reading the posting guide and FAQ. Please *_do_* read the FAQ, the posting guide, ... the yellers do say. So I read the BioC FAQ and it says...

### Re: [R] Time plots

Dear Paul: 1. The Internet moves NOT at the speed of light but at the speed of store and forward. 2. Have you worked the examples with the matplot help page? 3. Have you worked through the 'zoo' vignette ? (If no, please see

### Re: [R] Time plots

Opps thanks sorry, So I was just using plot(data) # where data was the matrix I would like it if the plots had time along the bottom and intensity up the y axis. Intensity is just a value, if you want intensity is the number of molecules hitting the detector per millisecond pb -Original

### [R] matrix Adjoint function

Thanks for all the replies! __ 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

### Re: [R] Bug/problem reporting: Possible to modify posting guide FAQ?

Hi, I guess the question often comes down to whether it is a bug report, or a question. If you know it is a bug, and have a complete and correct example where the obviously incorrect behavior occurs and you are positive that the problem is the package then sending it to the maintainer is

### [R] standardized partial regression coefficients

Hi all, I am relatively new to R, so let me know if I missed something trivial. I want to perform path-analysis with at least three levels of explaining variables (i.e., A affects B that affects C). I perform multiple regression for each set of variables, and get estimates for the partial

### Re: [R] Time plots

Will do! So thanks to everyone who wrote me, I'm going to go away have a look at some of the links that you all have given me and hopefully will be able to solve it. As you can all probably guess I'm new to the whole R thing. Cheers, Paul Research Technician Mass Spectrometry o The / o

### [R] Legend box line thickness

I am merely trying to increase the line thickness, or line width, of the box drawn around the legend in a plot I am constructing. The help page on 'legend' was of no use. Does anyone have an idea on how to do this? Please respond to [EMAIL PROTECTED] Thanks!

### [R] Bootstraping for groups and subgroups and joing with other table

Dear R-experts, I have a table with following collumns: State, SamplePlot, Species and BodySize. I sampled bird species at 34 SamplePlots and 5 States (regions) monthly during two years. On each bird record I measured bodysize and identified the species. So I have many records of each

### Re: [R] Download problems

If by 2.8 you mean 10.2.8, that's a very old OS X. To use a current version of R on OS X, you need a current version of OS X. Version information is given pretty clearly on CRAN, so make sure you have downloaded a suitable version -- if there is one for 10.2.8. Even if there is, you would be

### [R] singular matrix

Dear R-users, I try to use solve to get the solution of this matrix.But it has error happen below. How I can solve this problem. [1] a [,1] [1,] 0.8109437 [2,] 5.7569740 [1] b [,1] [,2] [1,] 0.3141293 2.230037 [2,] 2.2300367 15.831264 Error in solve.default(b, a) :

### [R] En: Bootstraping for groups (right data tables)

Dear R-friends, Unfortunately the tables that I past on last email gone with bad visual structure. So I send it again. Sorry to do this so confuse. Miltinho Table1 - Bird records State,SampleSite,Species,Bodysize SaoPaulo,Site1,Spp01,4.39 SaoPaulo,Site1,Spp04,4.05

### Re: [R] Legend box line thickness

On Mon, 2006-08-28 at 17:55 -0700, Phil Turk wrote: I am merely trying to increase the line thickness, or line width, of the box drawn around the legend in a plot I am constructing. The help page on 'legend' was of no use. Does anyone have an idea on how to do this? Please respond to

### Re: [R] singular matrix

Nongluck Klibbua reports: -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Nongluck Klibbua Sent: Tuesday, 29 August 2006 11:12 AM To: R-help@stat.math.ethz.ch Subject: [R] singular matrix Dear R-users, I try to use solve to get the solution

### Re: [R] singular matrix

b is nearly singular. Note that one of its eigenvalues is -2.935e-8 which is close to zero. We can use the generalized inverse from MASS to get one solution, x, but any multiple of the eigenvector corresponding to the near-zero eigenvalue when added to that will also give a solution as shown:

### Re: [R] Firefox extension fo R Site Search

Romain Francois wrote on 08/28/2006 04:23 PM: = Search for your R routines directly from Firefox! http://addictedtor.free.fr/rsitesearch = When I try to search I get the Firefox error