Re: [R] Working with necessary columns in R (CSV)

On Wed, Nov 17, 2010 at 08:19:53PM +0200, arturs.onz...@gmail.com wrote: Hi all. It will be great if some one will help me to solve my home task. So, the deal : i have .pcap file, i convert it to csv using tcpdump (tcpdump -tt -n -r x.pcap x.csv) CSV file looks like that :

[R] unserialize form rawConnection possibe?

Hello, Consider this little function (not concerned about efficiency here) m=function(r) { a-serialize(r,NULL); zz-rawConnection(raw(0),r+); writeBin(length(a),zz); c(rawConnectionValue(zz),a)} a=m(10) p=rawConnection(a,r+); u=readBin(p,int) unserialize(p) Error in unserialize(p) : unknown

[R] Parameterising apply To Compute Rolling Average of Columns in a matrix

I sent a post to find a clever way to compute a Rolling Average of columns in a matrix and I was given the solution below which I am very pleased with. RollingAverage - function(x, RollingObs) { cx - cumsum(x); N - length(x); Temp - (cx[RollingObs:N] - c(0, cx[1:(N-RollingObs)]))/RollingObs

[R] modify the scalebar in cor.plot {psych}?

Dear List, I am working with a relatively large correlation matrix (~1600*1600), which I am looking to plot with function cor.plot in package psych. cor.plot draws a scalebar with as many tick marks/subdivisions as there are rows in the matrix, which makes the values unreadable even for

Re: [R] Parameterising apply To Compute Rolling Average of Columns in a matrix

You've tried? apply(a, 2, RollingAverage, 7) On Wed, Nov 17, 2010 at 5:27 PM, Paolo Rossi statmailingli...@googlemail.com wrote: I sent a post to find a clever way to compute a Rolling Average of columns in a matrix and I was given the solution below which I am very pleased with.

Re: [R] where are my pspline knots?

On Nov 17, 2010, at 1:05 PM, Federico Calboli wrote: Hi All, I am trying to figure out how to get the position of the knots in a pspline used in a cox model. As far as I understand it, the term knot should be used with natural splines, but not for penalized smoothing splines. See p 124

Re: [R] Parameterising apply To Compute Rolling Average of Columns in a matrix

On Thu, 18 Nov 2010, Paolo Rossi wrote: I sent a post to find a clever way to compute a Rolling Average of columns in a matrix and I was given the solution below which I am very pleased with. RollingAverage - function(x, RollingObs) { cx - cumsum(x); N - length(x); Temp -

[R] Regexp question

I have a vector like this: a - c(thisIsName, thisIsAlsoName, andThisName) How to break this into pieces and produce a vector with unique parts: this Is Name Also and This -J __ R-help@r-project.org mailing list

[R] kalman filter in sspir

Hi, I used sspir for managing non-gaussian State space models but I observed that for such models only the smoother is gave while the filter is missing. Why? -- View this message in context: http://r.789695.n4.nabble.com/kalman-filter-in-sspir-tp3047486p3047486.html Sent from the R help

Re: [R] efficient conversion of matrix column rows to list elements

On Wed, 17 Nov 2010, Chris Carleton wrote: Hi List, I'm hoping to get opinions for enhancing the efficiency of the following code designed to take a vector of probabilities (outcomes) and calculate a union of the probability space. As part of the union calculation, combn() must be used, which

Re: [R] Regexp question

Try this: Reduce(union, strsplit(gsub(([A-Z]), ;\\1, a), ;)) On Wed, Nov 17, 2010 at 5:59 PM, johannes rara johannesr...@gmail.comwrote: I have a vector like this: a - c(thisIsName, thisIsAlsoName, andThisName) How to break this into pieces and produce a vector with unique parts: this

[R] Q reg accessing HAVER from R

has anyone accessed Haver from R ? I have their api for connection to vb , c++ and other softwares...has anyone tried to use that api with R ? Any other help in this regard would be much appreciated. Thanks Amit __ R-help@r-project.org mailing list

Re: [R] Regexp question

Great, thanks! 2010/11/17 Henrique Dallazuanna www...@gmail.com: Try this: Reduce(union, strsplit(gsub(([A-Z]), ;\\1, a), ;)) On Wed, Nov 17, 2010 at 5:59 PM, johannes rara johannesr...@gmail.com wrote: I have a vector like this: a - c(thisIsName, thisIsAlsoName, andThisName) How to

Re: [R] Regexp question

On Wed, Nov 17, 2010 at 2:59 PM, johannes rara johannesr...@gmail.com wrote: I have a vector like this: a - c(thisIsName, thisIsAlsoName, andThisName) How to break this into pieces and produce a vector with unique parts: this Is Name Also and This Try this: library(gsubfn)

Re: [R] help on IDE

On Wed, Nov 17, 2010 at 7:41 PM, Partha Sinha pnsinh...@gmail.com wrote: I am new comer in R.There r few IDE like Tinn R,VIM etc.I mean How to use them? Do I need to install R and then install them to use or they can work alone? Also does one install packages on R or IDEs? Can I call/use the

Re: [R] efficient conversion of matrix column rows to list elements

Thanks for the suggestion. The solution below is much better than my round-about way. combn(outcomes, 2, list ) I can't do much about the speed of combn() so I wanted to trim the fat wherever else I could. C On 17 November 2010 15:10, Charles C. Berry cbe...@tajo.ucsd.edu wrote: On Wed, 17

[R] Problem with nlme package

Hello, I have installed the nlme package, but every time I try to use the function summary.lme, I get a message that the function cannot be found. I've tried to install the package several times and have re-started R several times, but to no avail. I have also loaded the lme4 package, in case

Re: [R] Vectors out of lists?

That was my thought, and if you are going to be integrating it, you do need to be concerned with efficiency to some extent, I would imagine. My experience is that Vecotrize() is theoretically interesting and it is great for getting you out of a tight spot like this, but if you can avoid it

Re: [R] Problem with nlme package

On Nov 17, 2010, at 4:39 PM, Joanna Geller wrote: Hello, I have installed the nlme package, but every time I try to use the function summary.lme, How did you try to use it? I get a message that the function cannot be found. If it says it cannot be found, then you quite possibly forgot

Re: [R] Problem with nlme package

On Nov 17, 2010, at 4:48 PM, David Winsemius wrote: On Nov 17, 2010, at 4:39 PM, Joanna Geller wrote: Hello, I have installed the nlme package, but every time I try to use the function summary.lme, How did you try to use it? I get a message that the function cannot be found. If it

[R] Looking up the directory a file is located in

Hello everyone, This should be an easy question, I think. I'd like to write a command in a program to set the working directory to whatever directory the file is currently stored in. Suppose I have a file called myRscript.r, and it's stored in C:\Rprojects\myRscript.r, and it references other

[R] Label positions for the legend when using smallplot within image.plot

Hi all, after having many images plots on my window, I want to have one single legend plot. For that I use image.plot where the position is defined within smallplot: image.plot(legend.only=T,zlim=c(0,400), col=rainbow(50),horizontal=T,smallplot=c(.05,.45, .03,.06)) This works fine,

Re: [R] Problem with nlme package

Thanks for the suggestions - I tried all of them, including require(lme4) and require(nlme) and summary.lme still cannot be found. I want to use it to get full output of a multi-level model. Maybe it's a Mac thing? Any other suggestions would be much appreciated! Thanks, again. On Wed, Nov 17,

Re: [R] how to do linear regression when dimension is high

Thanks! it worked. this forum is so powerful! On Tue, Nov 16, 2010 at 12:20 PM, Douglas Bates ba...@stat.wisc.edu wrote: On Tue, Nov 16, 2010 at 10:30 AM, poko2000 quan.poko2...@gmail.com wrote: Hi I am a newbie in R. I have data with dim of 20. How to use lm if i want to do regression

Re: [R] Problem with nlme package

The function is not exported from the package. You have to get tough with it, e.g. library(nlme) summary.lme Error: object 'summary.lme' not found But if you insist: nlme:::summary.lme function (object, adjustSigma = TRUE, verbose = FALSE, ...) { fixed - fixef(object) ... You

Re: [R] Problem with nlme package

On Nov 17, 2010, at 5:07 PM, Joanna Geller wrote: Thanks for the suggestions - I tried all of them, including require(lme4) and require(nlme) and summary.lme still cannot be found. I want to use it to get full output of a multi-level model. Maybe it's a Mac thing? Any other suggestions would

[R] Trouble with mixed model anova (incl. random block)

Dear R community, I have slightly unbalanced survey/land elevation data (over 7,000 data points, grouped according to 60 transects, 30 in each of two treatments). Observations in both treatments are taken simultaneously, and the surveying of all 60 transects took 22 days. Comparisons among

Re: [R] Problem with nlme package

On Nov 17, 2010, at 5:22 PM, bill.venab...@csiro.au bill.venab...@csiro.au wrote: The function is not exported from the package. You have to get tough with it, e.g. library(nlme) summary.lme Error: object 'summary.lme' not found But if you insist: nlme:::summary.lme function

Re: [R] Looking up the directory a file is located in

What do you expect it to look up? How do you want to specify the directory? Is it supposed to search through some sequence or use ESP? On Wed, Nov 17, 2010 at 4:08 PM, Cliff Clive cliffcl...@gmail.com wrote: Hello everyone, This should be an easy question, I think. I'd like to write a

[R] ncdf4 for Windows/R-2.12.0

We need to install the ncdf4 package for R-2.12.0 on Windows. There are is no binary available from CRAN so it looks like a manual install will be required. Is there a guide for doing this? -- View this message in context:

[R] translate vector of numbers to indicies of 0/1 matrix

Hello All, Searched around, haven't found a decent solution. I'd like to translate a vector of numbers to a matrix (or to a list of vectors) such that the vector values would serve as indicies of the 1's in an otherwise-zero-filled matrix (or list of vectors). For example: a = c(1,3,3,4) #

Re: [R] ncdf4 for Windows/R-2.12.0

On Nov 17, 2010, at 5:56 PM, phaaland wrote: We need to install the ncdf4 package for R-2.12.0 on Windows. There are is no binary available from CRAN Are you sure? This is the line on CRAN Package Check as of today, 6PM EST: ncdf 1.6.3 OK OK OK OK OK OK OK OK OK ERROR OK Brian Ripley

Re: [R] translate vector of numbers to indicies of 0/1 matrix

Alexander - If I understand your problem, I think this function will make the matrix you want: makeyourmatrix = function(vec){ n = length(vec) mat = matrix(0,n,n) mat[cbind(1:n,vec)] = 1 mat } makeyourmatrix(c(1,3,3,4)) [,1] [,2] [,3] [,4] [1,]1000 [2,]

Re: [R] ncdf4 for Windows/R-2.12.0

This is what CRAN says about ncdf4: Windows binary: not available, see ReadMe -- View this message in context: http://r.789695.n4.nabble.com/ncdf4-for-Windows-R-2-12-0-tp3047807p3047829.html Sent from the R help mailing list archive at Nabble.com.

Re: [R] translate vector of numbers to indicies of 0/1 matrix

On Nov 17, 2010, at 6:00 PM, Alexander Shenkin wrote: Hello All, Searched around, haven't found a decent solution. I'd like to translate a vector of numbers to a matrix (or to a list of vectors) such that the vector values would serve as indicies of the 1's in an otherwise-zero-filled

Re: [R] ncdf4 for Windows/R-2.12.0

On Nov 17, 2010, at 6:12 PM, phaaland wrote: This is what CRAN says about ncdf4: Windows binary: not available, see ReadMe Sorry. Then in answer to your second question: http://cran.r-project.org/doc/manuals/R-admin.html Especially:

Re: [R] ncdf4 for Windows/R-2.12.0

David Winsemius wrote: Windows binary: not available, see ReadMe Sorry. Then in answer to your second question: http://cran.r-project.org/doc/manuals/R-admin.html Especially: http://cran.r-project.org/doc/manuals/R-admin.html#The-Windows-toolset (At least as I read the traffic on

[R] Drop non-integers

Hello all, I have a fairly simple data manipulation question. Say I have a dataframe like this: dat - as.data.frame(runif(7, 3, 5)) dat$cat - factor(c(1,4,13,1,4,13,13A)) dat runif(7, 3, 5) cat 1 3.880020 1 2 4.062800 4 3 4.828950 13 4 4.761850 1 5

Re: [R] plot vs print ??

Well, assuming this refers to the histogram function in the lattice package, looking at the code for print.trellis shows that the default behavior is to call plot.trellis with the same arguments. So unless you change the default behavior, there really is no difference between printing and

Re: [R] Drop non-integers

On Nov 17, 2010, at 6:27 PM, Sam Albers wrote: Hello all, I have a fairly simple data manipulation question. Say I have a dataframe like this: dat - as.data.frame(runif(7, 3, 5)) dat$cat - factor(c(1,4,13,1,4,13,13A)) dat runif(7, 3, 5) cat 1 3.880020 1 2 4.062800 4 3

Re: [R] Drop non-integers

On 17/11/2010 6:27 PM, Sam Albers wrote: Hello all, I have a fairly simple data manipulation question. Say I have a dataframe like this: dat- as.data.frame(runif(7, 3, 5)) dat$cat- factor(c(1,4,13,1,4,13,13A)) dat runif(7, 3, 5) cat 1 3.880020 1 2 4.062800 4 3

Re: [R] Drop non-integers

On Wed, Nov 17, 2010 at 3:49 PM, David Winsemius dwinsem...@comcast.netwrote: On Nov 17, 2010, at 6:27 PM, Sam Albers wrote: Hello all, I have a fairly simple data manipulation question. Say I have a dataframe like this: dat - as.data.frame(runif(7, 3, 5)) dat$cat -

Re: [R] translate vector of numbers to indicies of 0/1 matrix

On Wed, Nov 17, 2010 at 6:00 PM, Alexander Shenkin ashen...@ufl.edu wrote: Hello All, Searched around, haven't found a decent solution. I'd like to translate a vector of numbers to a matrix (or to a list of vectors) such that the vector values would serve as indicies of the 1's in an

Re: [R] Drop non-integers

On Nov 17, 2010, at 6:57 PM, Sam Albers wrote: On Wed, Nov 17, 2010 at 3:49 PM, David Winsemius dwinsem...@comcast.net wrote: On Nov 17, 2010, at 6:27 PM, Sam Albers wrote: Hello all, I have a fairly simple data manipulation question. Say I have a dataframe like this: dat -

[R] Any help understand the FKF package? Thanks.

  Dear Fellow R Users, I am experimenting right now the FKF package. I started by working out the first example included in the package and I am already confused. Would you offer some kind suggestions? What I want to do is to write down the state transition equation and the measurement

[R] Fwd: Numerical integration

-- Forwarded message -- From: Eduardo de Oliveira Horta eduardo.oliveiraho...@gmail.com Date: Wed, Nov 17, 2010 at 3:59 PM Subject: Re: [R] Numerical integration To: David Winsemius dwinsem...@comcast.net It works, however is not very efficient for the problem I'm working with,

[R] R package for sample selection with panel data

Echoing an older inquiry (https://stat.ethz.ch/pipermail/r-help/2008-November/180184.html), does anyone know of R code that exists to correct for sample selection with panel data as in: J.M. Wooldridge (1995), “Selection Corrections for Panel Data Models Under Conditional Mean Independence

[R] Accessing variables inside a namespace

Hello Group, I am trying to see if there is way to access data that is inside another namespace. For e.g. the addATR function in the quantmod package calculates the ATR using the TTR package and then plots it to the graph. Now since it has already calculated the info that I need, can I access

Re: [R] How to catch warnings

Hi Alex, Something like this ? x - 1:4 y - list(good=2:5, bad=3:5) for (yy in y) { tryCatch( x - cbind(x, yy), warning=function(w) cat(problem values: , yy, \n) ) } Michael On 18 November 2010 03:19, Alaios ala...@yahoo.com wrote: Hello when my code executes I receive the

[R] portfolioConstraints

Hello, I am trying to use portfolioConstraints from the fPortfolio package and y would like to write a constraint of the form t(w)*A=z where w is the weight vector I am optimizing on, A is another vector and a is a scalar (which can take zero value). Does somebody know how to setup this

[R] non linear constraints for a portfolio in fPortfolio package

Hello, I would like to setup a non-linear constraint for a portfolio using the portfolioConstraint function. Does somebody now how to do this? thank you Felipe Parra [[alternative HTML version deleted]] __ R-help@r-project.org mailing list

[R] Multiple Line Plots with xyplot

I'm trying to make multiple line plots, each with a different color, using the xyplot command. Specifically, I have an NxK matrix Y and an Nx1 matrix x. I would like the plot to contain a line for each (x, Y[,i]), i=1:K. I know something like xyplot(Y[,1] + Y[,2] + Y[,3] ~ x, type='l') will

Re: [R] Looking up the directory a file is located in

Basically I'm just looking for a command that can look up the name of the directory of the script that is running. If I move or copy the script to another directory, it should be able to read the name of the new directory without me having to edit the code. Once I have identified the directory,

[R] New Sampling question

I have another question about drawing samples from a data frame. This might sound really tricky. Let me use a data frame I have posted earlier as an example: SubIDCSE1 CSE2 CSE3 CSE4 WSE1 WSE2 WSE3 WSE4 1 6 5 6 2 6 22 4 2

Re: [R] Multiple Line Plots with xyplot

On Nov 17, 2010, at 5:38 PM, Elliot Joel Bernstein wrote: I'm trying to make multiple line plots, each with a different color, using the xyplot command. Specifically, I have an NxK matrix Y and an Nx1 matrix x. I would like the plot to contain a line for each (x, Y[,i]), i=1:K. I know

[R] On efficiency, Vectorize and loops

In my last e-mails, I have asked for help regarding 1. 'defining functions inside loops' 2. 'integrating functions / vector arithmetics' 3. 'vectors out of lists?' 4. 'numerical integration' Since some of these topics seemed to be relevant (I'm guessing by the # of replies I got), I'm posting a

[R] About R and RKward

Hi all, Has any folk tested or been using RKward? Please shed me some light whether it takes data from the spreadsheet, analyzes the data and puts the data back to the spreadsheet, similar to RExcel and R and Calc. Or RKward is only an editor of R, working on front-end? I have tested

Re: [R] About R and RKward

some comparisons for interfaces to R on desktop-draft from blog post (JSS paper is submitted for GUI issue but not vetted) http://decisionstats.com/2010/10/05/interfaces-to-r/ RKward is number 4 have you researched out all R commander E plugins before settling on R Kward R commander is by J

Re: [R] Globbing inconsistencies, dir() vs. unlink()

Hi, note that to expand tilde, there is also path.expand() which should give less surprises than Sys.glob(). I can confirm that this is not only Windows, but also on Linux; dir(~/ttt) [1] foo.txt unlink(~/ttt, recursive=TRUE) dir(~/ttt) [1] foo.txt unlink(path.expand(~/ttt), recursive=TRUE)

[R] plist file?

Hi all, I am running R.app on Mac OS X 10.4. I am trying to figure out if there is a .plist file of some sort, or a similar parameter file, that will let me turn on and off e.g. line-wrapping in the R.app GUI console. The only hint I could find online is this:

Re: [R] aspect ratio 1 and blank space

On 2010-11-17 09:26, Silvia Cecere wrote: Hi, I need to produce an ordinary scatter plot and it is vital that the aspect ratio equals 1. I set the axis as: plot(x, y, type=n, asp=1, ,ylim=c(-80,70),xlim=c(0,100)). The problem is that I get some 'additional' blank plot area (basically, the

Re: [R] Fwd: Numerical integration

Eduardo de Oliveira Horta eduardo.oliveirahorta at gmail.com writes: -- Forwarded message -- From: Eduardo de Oliveira Horta eduardo.oliveirahorta at gmail.com Date: Wed, Nov 17, 2010 at 3:59 PM Subject: Re: [R] Numerical integration To: David Winsemius dwinsemius at

[R] Updata Rdata File

How do I add data to a .rdata file? In my case, I have a time series that needs to get updated every day. Thanks, Jason [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help

[R] custom package not installed for 'arch=i386'

Dear all, Since version R-2.12.0, I've got problems building an add-on package for R (imglib here) for 32-bit Windows. The following command is called: C:\Program Files\R\R-2.12.0\bin\i386\Rcmd build --binary imglib And here is an error I am getting in the end of processing: ** testing if

Re: [R] Problem with nlme package

Did you load the package in R? Sounds like you didn't. Try require(nlme) Another possibility is that that function is hidden. Just to be sure, are you should be using it like this summary(mod) Not like this summary.lme(mod) HTH Gavin Sent from my HTC - Reply message - From:

Re: [R] help on IDE

Hi: Since Deducer was mentioned, I'll add that Ian Fellows has recently released an 'all-in-one' installer for R, JGR and Deducer at http://ifellows.ucsd.edu/pmwiki/pmwiki.php?n=Main.WindowsInstallation Look for the Download Installer link (it's kinda hard to miss :) On my system (64-bit Win

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