Re: [R] How to generate fake population (ie. not sample) data?

2009-03-04 Thread Thomas Lumley
On Wed, 4 Mar 2009, David Winsemius wrote: In what ways is rnorm not a satisfactory answer? My guess was that CB wants to generate a finite population whose mean and variance are specified, which would involve rnorm() followed by centering and scaling. -thomas -- David Winsemius

[R] nice way to find or not a value (problem with numeric(0))

2009-03-04 Thread Ptit_Bleu
Hello, I have a data.frame called spec containing data about samples. But I don't have these data for all my samples. So if I have data (that is code of the sample is in spec$Code), I would like to assign data1 to the variable m. If I don't have this data, I would like to assign 1 to m. I tried

Re: [R] Self-Organizing Map analysis

2009-03-04 Thread Hans W. Borchers
glaporta glaporta at freeweb.org writes: Dear list, I read the SOM package manual but I don't understand how to perform (for example) 1) the SOM analysis on Iris data 2) with a visualization similar to that of figure 7 in http://www.cis.hut.fi/projects/somtoolbox/package/papers/techrep.pdf

Re: [R] scatter plot question

2009-03-04 Thread Marc Vinyes
plot(x,rho,pch=id) -Mensaje original- De: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org]en nombre de Dipankar Basu Enviado el: 03 March 2009 20:11 Para: r-help@r-project.org Asunto: [R] scatter plot question Hi R Users, I have a dataframe like this: id x rho A

[R] Odp: nice way to find or not a value (problem with numeric(0))

2009-03-04 Thread Petr PIKAL
Hi r-help-boun...@r-project.org napsal dne 04.03.2009 09:11:06: Hello, I have a data.frame called spec containing data about samples. But I don't have these data for all my samples. So if I have data (that is code of the sample is in spec$Code), I would like to assign data1 to the

Re: [R] Multivariate GARCH Package

2009-03-04 Thread Pfaff, Bernhard Dr.
Dear Mohammad, have a look at the finance task view on CRAN: http://cran.at.r-project.org/web/views/Finance.html (Dirk has nicely updated this page recently). In addition, Patrick Burns provides a recipe for PC-GARCH models on his web-site:

[R] Odp: preparing data for barplot()

2009-03-04 Thread Petr PIKAL
Hi Read what barplot does and look to your plot. If you want each row to be plotted as stacked bar with names uder each bar taken from peaople variable then you need to transpose your matrix - barplot takes columns plot without names - you do not want them really plotted add names under each

[R] OT : Interview with Anne Milley ,SAS

2009-03-04 Thread Ajay ohri
Dear Lists, This is an off topic (OT ). I recently took Anne Milley's interview .In Part 1 of the interview , Anne talks about SAS, WPS, other softwares she studied like SPSS,.She also talks about the difference between small and big companies , what sets SAS apart and the famous licensing model

Re: [R] modifying a built in function from the stats package (fixing arima)

2009-03-04 Thread Marc Vinyes
Dear Carlos and Kjetil, Thanks for your answer. I do not think that is the way to go. If you believe that your algorithm is better than the existing one, talk to the author of the package and discuss the improvement. The whole community will benefit. I should be able to *easily* modify it and

Re: [R] R - MATLAB apply like function

2009-03-04 Thread Hans W. Borchers
ARDIA David david.ardia at unifr.ch writes: Dear all, I very often use the R function apply, for speedup purposes. I am now also using MATLAB, and would like to use the same kind of function. I have already asked MATLAB people, and the answer is : vectorize... but of course, this is not

Re: [R] Selecting one row or multiple rows per ID

2009-03-04 Thread Dieter Menne
Vedula, Satyanarayana svedula at jhsph.edu writes: I need to select one row per patient i in clinic j. The data is organized similar to that shown below. ... If patient has outcome recorded at visit 2, then outcome = outcome columns at visit 2 If patient does not have visit 2, then

Re: [R] ggplot2: annotated horizontal lines

2009-03-04 Thread ONKELINX, Thierry
Dear Dave, Another option would be to manually create the breaks of your plot. library(ggplot2) myBreaks - sort(c(pretty(mtcars$mpg), min(mtcars$mpg))) ggplot(aes(x = wt, y = mpg), data = mtcars) + geom_point() + geom_hline(yintercept = min(mtcars$mpg)) + scale_y_continuous(breaks = myBreaks)

Re: [R] Comparing two matrices

2009-03-04 Thread Stéphane Dray
matel.rtest accepts both Euclidean and non Euclidean matrices. If both distance matrices are Euclidean, then a faster algorithm is used to speed up the permutation procedure. You can also use mantel.randtest which is exactly similar to rtest but faster as computation are in C. Sarah Goslee

[R] Plotting pdf of function

2009-03-04 Thread Beetle
Hi Guys, I'm a numbie to R. I searched the forum for plotting pdf's of functions but couldn't find one that explained my question. I have been asked to plot the pdf fX(x) = 1/pi(1+x^2). -infinity x infinity. I would be greatfull if someone might point me to a webpage that might give me a

Re: [R] Number Regular Expressions

2009-03-04 Thread Ted Harding
On 04-Mar-09 07:55:11, Bob Roberts wrote: Hi, I'm trying to write a regular expression that captures numbers in the form 9,007,653,372,262.48 but does not capture dates in the form 09/30/2005 I have tried numerous expressions, but they all seem to return the dates as well. Thanks. Testing

Re: [R] Number Regular Expressions

2009-03-04 Thread Gabor Grothendieck
Not clear what else is allowed to match and what not but this will match strings of numbers commas and decimal points but not match if there is anything else in the string like a slash: regexpr(^[0-9.,]+$, 9,007,653,372,262.48) On Wed, Mar 4, 2009 at 2:55 AM, Bob Roberts quagmire54...@yahoo.com

Re: [R] Plotting pdf of function

2009-03-04 Thread Dimitris Rizopoulos
have a look at ?curve(), e.g., curve((1 + x^2) / pi, -15, 15) I hope it helps. Best, Dimitris Beetle wrote: Hi Guys, I'm a numbie to R. I searched the forum for plotting pdf's of functions but couldn't find one that explained my question. I have been asked to plot the pdf fX(x) =

Re: [R] How to generate fake population (ie. not sample) data?

2009-03-04 Thread CB
2009/3/4 Daniel Nordlund djnordl...@verizon.net: Something like this may help get you started. std.pop - function(x,mu,stdev){  ((x-mean(x))/sd(x)*stdev)+mu  } population - std.pop(rnorm(1000),10,5) Hope this is helpful, Dan Very helpful. I hadn't thought of a simple roll-your-own

Re: [R] How to generate fake population (ie. not sample) data?

2009-03-04 Thread CB
2009/3/4 Thomas Lumley tlum...@u.washington.edu: On Wed, 4 Mar 2009, David Winsemius wrote: In what ways is rnorm not a satisfactory answer? My guess was that CB wants to generate a finite population whose mean and variance are specified, which would involve rnorm() followed by centering

Re: [R] Plotting pdf of function

2009-03-04 Thread Eik Vettorazzi
but this is not a probability density function, since lim(abs(x)- infty)=infty. But there is just a pair of brackets missing in Beetles post. btw. homework? Dimitris Rizopoulos schrieb: have a look at ?curve(), e.g., curve((1 + x^2) / pi, -15, 15) I hope it helps. Best, Dimitris Beetle

[R] Descriptive stats for factors in SEM

2009-03-04 Thread Sebastian Spaeth
I feel really dumb for having to ask this, but here I go anyway... I perform structural equation modeling on a survey, using about 25 variables that create a total of 5 latent variables (factors). Applying sem (using the sem package) was a piece of cake, even for an (SEM) layman, thanks for THE

[R] R: flaw in CRAN package wavelets: Daubechies d8 not recognized by function wt.filter

2009-03-04 Thread mauede
Thank you. I do not know where the source code is available.I never uploaded anything to CRAN. I am just an R user so far. Can you please tell me ? I did notify the package maintainer mentioned in the package on-line documentation, namely Eric Aldrich eldr...@gmail.com, twice. I suspect hic

[R] F test in lmer quasipoisson

2009-03-04 Thread Julien Vezilier
Hello !! II'm trying to test for my fixed effects using an lmer with quasipoisson errors. Since my lmer model is corrected for overdispersion using this kind of errors, I should use during model simplification in my Anovas *F test *and not *Chi square test* to compare two models. So I write:

Re: [R] R CMD check detects parse error, but in which file?

2009-03-04 Thread Uwe Ligges
Matthieu Stigler wrote: Hello I looked on the archives but did not find answer for that... Running R CMD check for a package, i get an error: Error in parse(n = -1, file = file) : unexpected symbol at 3341: } But how can I find which file is guilty? What is this 3342 referring to? Given

Re: [R] problems with exporting a chart

2009-03-04 Thread Uwe Ligges
Please read the posting guide which asks you to answer basic questions such as: Which R / lattice versions are we talking about? Which is the any format? Are you using the Devices directly or are you using some other way to copy contents of one device into another device? What is the exact,

Re: [R] PLS regression on near infrared (NIR) spectra data

2009-03-04 Thread Andris Jankevics
Hi, take a look on pls package and it's documentation, there are examples also for NIR data. http://mevik.net/work/software/pls.html Article form Journal of Statistical Software http://www.jstatsoft.org/v18/i02 Also Caret package can be used to evaluate pls and other regreesion models:

Re: [R] R CMD check detects parse error, but in which file?

2009-03-04 Thread Jim Lemon
Matthieu Stigler wrote: Hello I looked on the archives but did not find answer for that... Running R CMD check for a package, i get an error: Error in parse(n = -1, file = file) : unexpected symbol at 3341: } But how can I find which file is guilty? What is this 3342 referring to? Finally

Re: [R] How to generate fake population (ie. not sample) data?

2009-03-04 Thread Gabor Grothendieck
On Wed, Mar 4, 2009 at 2:48 AM, Daniel Nordlund djnordl...@verizon.net wrote: -Original Message- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of CB Sent: Tuesday, March 03, 2009 10:05 PM To: David Winsemius Cc: r-help@r-project.org Subject: Re:

[R] How to reuse my self function?

2009-03-04 Thread Chang Jia-Ming
Dear all, I wrote a function test1 in test1.R. Right, I am writing another function test2 on test2.R and trying to use test1 function. How can I do? Is there any similar way like including test1.R in test2.R file? Thank You Very Much. Jia-Ming $BD%2HLC(B

[R] info

2009-03-04 Thread Enrico Giorgi
Dear Sir or Madam, I've been using R for one year and I really appreciate it. I would like to know if a version performing parallel computations on multicore computers and computer clusters exists. Thank you very much. Yours sincerely. Enrico Giorgi

Re: [R] R CMD check detects parse error, but in which file?

2009-03-04 Thread Matthieu Stigler
Jim Lemon a écrit : Matthieu Stigler wrote: Hello I looked on the archives but did not find answer for that... Running R CMD check for a package, i get an error: Error in parse(n = -1, file = file) : unexpected symbol at 3341: } But how can I find which file is guilty? What is this 3342

Re: [R] portable R editor

2009-03-04 Thread Werner W.
Many, many thanks for all the answers! Notepad++ looks very promising although it does not have a project file management facility. But it has a very clean appearance. I'll have to look into SciTE which also sounds quite good. There seem to be some good alternatives. Meanwhile, I found a

[R] Diff btw percentile and quantile

2009-03-04 Thread megh
To calculate Percentile for a set of observations Excel has percentile() function. R function quantile() does the same thing. Is there any significant difference btw percentile and quantile? Regrads, -- View this message in context:

Re: [R] ggplot2: annotated horizontal lines

2009-03-04 Thread Dave Murray-Rust
That's great - thanks! On 4 Mar 2009, at 08:59, ONKELINX, Thierry wrote: Dear Dave, Another option would be to manually create the breaks of your plot. library(ggplot2) myBreaks - sort(c(pretty(mtcars$mpg), min(mtcars$mpg))) ggplot(aes(x = wt, y = mpg), data = mtcars) + geom_point() +

Re: [R] How to reuse my self function?

2009-03-04 Thread Usuario R
Hi, I think you just have to call it with the correct arguments inside test2 function. So the arguments for test1 functions should be consider to be also arguments of test2 function. test2 - function( test1arguments, test2arguments ){ ... value - test1( test1arguments ) ... }

Re: [R] PLS regression on near infrared (NIR) spectra data

2009-03-04 Thread Bjørn-Helge Mevik
Paulo Ricardo Gherardi Hein phein1...@gmail.com writes: I am new here (since jan2009) and up to now, I not seen anyone commenting about principal component analysis and regression PLS to analyze spectral information in R system. Sorry, I am a R starter... Anybody have any package, or trick

Re: [R] PLS regression on near infrared (NIR) spectra data

2009-03-04 Thread Mark Difford
Hi Paulo, You might also want to look at something like the glmnet package (Friedman, Hastie, and Tibshirani). This carries out penalized regression, is designed to work with high numbers of predictors/inputs/columns and relatively few samples/obervations/rows, and is very fast. See:

[R] R and Citrix - Lotus notes

2009-03-04 Thread Gerard M. Keogh
Dear All, 1. Does anyone have experience of running R on a server inside a Citrix shell - I'd like to get R onto the server and would be greatful for any tips or direction on the matter. 2. This may seem like a silly question so forgive my ignornace. Most of the data I currently work with is

Re: [R] How to reuse my self function?

2009-03-04 Thread Paul Hiemstra
Hi, You can use the source() function to load functions from other files, like: source(test1.R) cheers, Paul Chang Jia-Ming wrote: Dear all, I wrote a function test1 in test1.R. Right, I am writing another function test2 on test2.R and trying to use test1 function. How can I do? Is

[R] Filtering R lists

2009-03-04 Thread Nikol Simecek
Hello I am am new to R and any help with the following would be appreciated: I have a list (example attached) and I would like to create a new list which is a filtered version of this list. I.e I would like a list that only contains elements with this value: Chr 10 : 21853562 - 21855482 Any

Re: [R] R CMD check detects parse error, but in which file?

2009-03-04 Thread Uwe Ligges
Matthieu Stigler wrote: Jim Lemon a écrit : Matthieu Stigler wrote: Hello I looked on the archives but did not find answer for that... Running R CMD check for a package, i get an error: Error in parse(n = -1, file = file) : unexpected symbol at 3341: } But how can I find which file is

Re: [R] locfit smoothing question (package maintainer not reachable)

2009-03-04 Thread Suresh Krishna
On Tue, 03 Mar 2009 22:10:42 +0100, David Winsemius dwinsem...@comcast.net wrote: That is what I thought to be the critical paragraph. The variance is assumed to be = 1 when you use family=gaussian rather than the default of family=qgauss. You give it a vector, 1000*rnorm(100), that ranges

[R] Odp: Filtering R lists

2009-03-04 Thread Petr PIKAL
Hi r-help-boun...@r-project.org napsal dne 04.03.2009 13:18:30: Hello I am am new to R and any help with the following would be appreciated: I have a list (example attached) and I would like to create a new list which is a filtered version of this list. I.e I would like a list that only

Re: [R] Descriptive stats for factors in SEM

2009-03-04 Thread Sebastian Spaeth
John Fox wrote: Dear Sebastian, What you're looking for are factor-score coefficients, which would allow you to estimate the values of the factors from the observed variables. Then, given the original dataset from which the input-covariance matrix to sem() was computed, you could find the

Re: [R] Descriptive stats for factors in SEM

2009-03-04 Thread John Fox
Dear Sebastian, What you're looking for are factor-score coefficients, which would allow you to estimate the values of the factors from the observed variables. Then, given the original dataset from which the input-covariance matrix to sem() was computed, you could find the factor scores. The sem

[R] sorting out partially nested mixed effects in lme4

2009-03-04 Thread W.B. Kloke
In lme4 I wamnt to analyse a dataset in which the random effects are somewhat intricate. The nearest approximation of what I want to know is lmer(hr~hpos+((bin==b)|VP)+(1|(VP:exp)), data) In this design VP denotes the subject variable, and exp the experimental unit (which is obviously nested in

Re: [R] Filtering R lists

2009-03-04 Thread Jorge Ivan Velez
Dear Nikol, Try this: do.call(c,lapply(yourlist,function(x) x[2] )) HTH, Jorge On Wed, Mar 4, 2009 at 7:18 AM, Nikol Simecek ns...@cam.ac.uk wrote: Hello I am am new to R and any help with the following would be appreciated: I have a list (example attached) and I would like to create a

Re: [R] How to reuse my self function?

2009-03-04 Thread Chang Jia-Ming
Hello, If test2 and test1 functions are in two files like test2.R and test1.R, how could I do to let test2 know test1 function? Cheers, Jia Ming 2009/3/4 Usuario R r.user.sp...@gmail.com Hi, I think you just have to call it with the correct arguments inside test2 function. So the

Re: [R] How to reuse my self function?

2009-03-04 Thread Tony Breyal
I usually use the ?source function. so at the top of your test2.R file, you would put a line like: source('C:\\test1.R') but with the correct path to where ever you have stored your test1.R file. Hope that helps a little, Tony On 4 Mar, 10:29, Chang Jia-Ming chang.jiam...@crg.es wrote: Dear

[R] inserting lines in large data set

2009-03-04 Thread John Lewis
Hello, I need to insert a line after every eigth row (group/suset) which should contains the following: (an incremented ID),0,1,1,1,1 I have two problems with constructing my code: 1. I am getting NAs in three of the columns and 2) I can not find a way to write the ID (group name) at the

[R] error in mood.test

2009-03-04 Thread Wolfgang Raffelsberger
Dear list, when running a mood.test() (part of package stats) on slightly longer vectors (than the example from the help-page) we get the error-message shown below : once both vectors tested are of length 50 this error oocurs. Note, that this problem didn't occur with R-2.7.x (or even older

[R] How to dump plots as bas64 strings?

2009-03-04 Thread Patrick Meyer
Hello My question might sound awkward, but I am looking for a way to somehow convert a plot in R into a base64 string. Here's an idea, but it is not at all satisfying. 1. write the plot to the harddisk: --- png(toto.png) plot(c(1,2,3)) dev.off()

Re: [R] Filtering R lists

2009-03-04 Thread Wacek Kusnierczyk
Nikol Simecek wrote: Hello I am am new to R and any help with the following would be appreciated: I have a list (example attached) and I would like to create a new list which is a filtered version of this list. I.e I would like a list that only contains elements with this value: Chr 10 :

Re: [R] Odp: Filtering R lists

2009-03-04 Thread Wacek Kusnierczyk
Petr PIKAL wrote: Hi r-help-boun...@r-project.org napsal dne 04.03.2009 13:18:30: Hello I am am new to R and any help with the following would be appreciated: I have a list (example attached) and I would like to create a new list which is a filtered version of this list. I.e I would

Re: [R] Diff btw percentile and quantile

2009-03-04 Thread Dieter Menne
megh megh74 at yahoo.com writes: To calculate Percentile for a set of observations Excel has percentile() function. R function quantile() does the same thing. Is there any significant difference btw percentile and quantile? If you check the documentation of quantile, you will note that

Re: [R] R: flaw in CRAN package wavelets: Daubechies d8 not recognized by function wt.filter

2009-03-04 Thread stephen sefick
download the source tarball - everything should be in there. On Wed, Mar 4, 2009 at 5:15 AM, mau...@alice.it wrote: Thank you. I do not know where the source code is available.I never uploaded anything to CRAN. I am just an R user so far. Can you please tell me ? I did notify the package

Re: [R] reading scanned graphs

2009-03-04 Thread Dieter Menne
Frank E Harrell Jr f.harrell at vanderbilt.edu writes: For Linux I recommend the engauge-digitizer package. It's Java and works under Windows. Dieter __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read

[R] dotplot

2009-03-04 Thread Veerappa Chetty
Hi,I would like to fill the dots in this graph. I would appreciate help to do that if possible. If fill is not possible, can I make it bright? I do NOT want to increase the size. __ dotplot(hu.event~fitted.adj.cat,data=risk.benefit.cast,groups=treat, auto.key=list(space=right))

Re: [R] Selecting one row or multiple rows per ID

2009-03-04 Thread hadley wickham
On Wed, Mar 4, 2009 at 12:09 AM, Vedula, Satyanarayana sved...@jhsph.edu wrote: Hi, Could someone help with coding this in R? I need to select one row per patient i in clinic j. The data is organized similar to that shown below. Two columns - patient i in column j identify each unique

[R] how to estimate distribution?

2009-03-04 Thread Simone Gabbriellini
Dear R-Experts, I have an empirical dataset with 150 subjects for 24 observations. In each observation, each subject can have a score in the range 0:3. I made then a simple index making the sum of the values in each row, so each subject have a score between 0 and 72. I was thinking about what

Re: [R] dotplot

2009-03-04 Thread Usuario R
Hi, I think you need to set the parameter pch to 19. - pch=19: solid circle, - pch=20: bullet (smaller circle), - pch=21: circle, - pch=22: square, - pch=23: diamond, - pch=24: triangle point-up, - pch=25: triangle point down. Regards 2009/3/4 Veerappa Chetty

[R] help with integration

2009-03-04 Thread andrea . toreti
Dear all, I have a problem with the integration of the following function. Could you please give some suggestions? Thank you very much!!! y-rnorm(n=100) f-function(x,xi,h){ n-length(xi) Ke-c() for(t in 1:n) { Ke[t]-dnorm((x-xi[t])/h) } fke-sum(Ke)*(1/(n*h)) fke-fke^2 return(fke) }

Re: [R] Filtering R lists

2009-03-04 Thread Nikol Simecek
Many thanks for all your suggestions - much appreciated! Nikol __ R-help@r-project.org 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,

[R] arima additive vs multiplicative seasonality

2009-03-04 Thread Martin Ivanov
Hello! I would like to ask whether the seasonality implemented in arima() is additive or multiplicative? I searched a lot, but I could not find an answer to that question, although it has been asked other times too. Thank you very much for your attention. Regards, Martin

[R] R under Citrix and access to Lotus notes

2009-03-04 Thread Gerard M. Keogh
Dear All, 1. Does anyone have experience of running R on a server inside a Citrix shell - I'd like to get R onto the server and would be greatful for any tips or direction on the matter. 2. This may seem like a silly question so forgive my ignornace. Most of the data I currently work with is

Re: [R] help with integration

2009-03-04 Thread Uwe Ligges
andrea.tor...@apat.it wrote: Dear all, I have a problem with the integration of the following function. Could you please give some suggestions? Thank you very much!!! y-rnorm(n=100) f-function(x,xi,h){ n-length(xi) Ke-c() for(t in 1:n) { Ke[t]-dnorm((x-xi[t])/h) }

Re: [R] R: flaw in CRAN package wavelets: Daubechies d8 not recognized by function wt.filter

2009-03-04 Thread David Winsemius
To see the code (in this case at any rate) you just type the name of the function. I produced a snippet from what appeared on my screen. I then copy-pasted to a text-editor, copy-pasted the missing section to the d8 segment and assigned the to to wt.filter, which effectively overwrote the

Re: [R] Inference for R Spam

2009-03-04 Thread Michael A. Miller
Rolf == Rolf Turner r.tur...@auckland.ac.nz writes: On 4/03/2009, at 11:50 AM, Michael A. Miller wrote: Sports scores are not statistics, they are measurements (counts) of the number of times each team scores. There is no sampling and vanishingly small possibility of

Re: [R] Inefficiency of SAS Programming

2009-03-04 Thread Millo Giovanni
Dear Ajay, just to deny the implicit statement 'corporate user'='moron' surfacing here and there in this interesting thread :^). This might be a statistical regularity but should by no means be considered a theorem, as there are counter-examples available. You can find people willing to learn

Re: [R] How to generate fake population (ie. not sample) data?

2009-03-04 Thread Daniel Nordlund
-Original Message- From: Gabor Grothendieck [mailto:ggrothendi...@gmail.com] Sent: Wednesday, March 04, 2009 3:17 AM To: Daniel Nordlund Cc: r-help@r-project.org Subject: Re: [R] How to generate fake population (ie. not sample) data? On Wed, Mar 4, 2009 at 2:48 AM, Daniel

Re: [R] Diff btw percentile and quantile

2009-03-04 Thread megh
Yes, I aware of those definitions. However I wanted to know the difference btw the words Percentile and quantile, if any. Secondly your link navigates to some non-english site, which I could not understand. Dieter Menne wrote: megh megh74 at yahoo.com writes: To calculate

[R] lattice: remove box around a wireframe

2009-03-04 Thread Thomas Roth (geb. Kaliwe)
#Hi, # #somebody knows how to remove the outer box around a wireframe and reduce the height # # test = data.frame(expand.grid(c(1:10), c(1:10))) z = test[,1] + test[,2] test = cbind(test, z) names(test) = c(x, y, z) require(lattice) wireframe(z ~ x*y, data = test, par.box = c(col =

Re: [R] Diff btw percentile and quantile

2009-03-04 Thread Ted Harding
On 04-Mar-09 16:10:29, megh wrote: Yes, I aware of those definitions. However I wanted to know the difference btw the words Percentile and quantile, if any. Secondly your link navigates to some non-english site, which I could not understand. Percentile and quantile are in effect the same

[R] Error in -class : invalid argument to unary operator

2009-03-04 Thread srfc
Hi guys I have been using R for a few months now and have come across an error that I have been trying to fix for a week or so now.I am trying to build a classifer that will classify the wine dataset using Naive Bayes. My code is as follows library (e1071) wine-

[R] adding value labels on Interaction Plot

2009-03-04 Thread Dimitri Liakhovitski
Hello - and sorry for what might look like a simple graphics question. I am building an interaction plot for d: d=data.frame(xx=c(3,3,2,2,1,1),yy=c(4,3,4,3,4,3),zz=c(5.1,4.4,3.5,3.3,-1.1,-1.3)) d[[1]]-as.factor(d[[1]]) d[[2]]-as.factor(d[[2]]) print(d) interaction.plot(d$xx, d$yy, d$zz,

Re: [R] Diff btw percentile and quantile

2009-03-04 Thread Wacek Kusnierczyk
(Ted Harding) wrote: snip So, with reference to your original question Excel has percentile() function. R function quantile() does the same thing. Is there any significant difference btw percentile and quantile? the answer is that they in effect give the same results, though differ

[R] readline in vi mode on OSX

2009-03-04 Thread Dave Murray-Rust
Hi All, This is a slightly arcane question, but I'm wondering if anyone else uses vi mode with R? On my platform, across several versions, there is some broken behaviour. When executing commands like 'df)' (to delete up to the next bracket) the cursor moves to the next ), but nothing is

Re: [R] lattice: remove box around a wireframe

2009-03-04 Thread Sundar Dorai-Raj
(Sorry for the repeat. Forgot to copy R-help) Try, test = data.frame(expand.grid(c(1:10), c(1:10))) z = test[,1] + test[,2] test = cbind(test, z) names(test) = c(x, y, z) require(lattice) wireframe(z ~ x*y, data = test, par.settings = list(axis.line = list(col = transparent)), par.box = c(col

Re: [R] behavior of squishplot in TeachingDemos

2009-03-04 Thread Greg Snow
Thank you for finding this. Yes in some cases the parameter settings need to be updated by a call to plot.new for the calculations to be correct (if you carried out your example 2 more times you would see that the 3rd plot is also incorrect since it is still using the dimensions of the 2nd

Re: [R] Diff btw percentile and quantile

2009-03-04 Thread Ted Harding
On 04-Mar-09 16:56:14, Wacek Kusnierczyk wrote: (Ted Harding) wrote: snip So, with reference to your original question Excel has percentile() function. R function quantile() does the same thing. Is there any significant difference btw percentile and quantile? the answer is that they in

Re: [R] regular expression question

2009-03-04 Thread Greg Snow
Here is another approach that still uses strspit if you want to stay with that: tmp - '(-0.791,-0.263].(-38,-1.24].(0.96,2.43]' strsplit(tmp, '\\.(?=\\()', perl=TRUE) [[1]] [1] (-0.791,-0.263] (-38,-1.24] (0.96,2.43] This uses the Perl 'look-ahead' indicator to say only match on a

Re: [R] lattice: remove box around a wireframe

2009-03-04 Thread Thomas Roth (geb. Kaliwe)
:-) works! Sundar Dorai-Raj schrieb: (Sorry for the repeat. Forgot to copy R-help) Try, test = data.frame(expand.grid(c(1:10), c(1:10))) z = test[,1] + test[,2] test = cbind(test, z) names(test) = c(x, y, z) require(lattice) wireframe(z ~ x*y, data = test, par.settings = list(axis.line =

[R] dividing time series of different frequencies

2009-03-04 Thread Stephen J. Barr
Hello, I have two time series objects, 1 is yearly (population) and the other is quarterly (bankruptcy statistics). I would like to produce a quarterly time series object that consists of bankruptcy/population. Is there a pre-built function to intelligently divide these time series. The series I

Re: [R] regular expression question

2009-03-04 Thread Wacek Kusnierczyk
Greg Snow wrote: Here is another approach that still uses strspit if you want to stay with that: tmp - '(-0.791,-0.263].(-38,-1.24].(0.96,2.43]' strsplit(tmp, '\\.(?=\\()', perl=TRUE) [[1]] [1] (-0.791,-0.263] (-38,-1.24] (0.96,2.43] This uses the Perl 'look-ahead'

Re: [R] Unrealistic dispersion parameter for quasibinomial

2009-03-04 Thread Prof Brian Ripley
For the record residuals(model) 1 2 3 4 5 5.55860143 -0.00073852 2.49255235 -1.41987341 -0.00042425 6 7 8 -0.94389158 2.72987046 -1.15760836 residuals(model, pearson) 1 2 3

[R] help with GAM

2009-03-04 Thread Las dA
Hi I'm trying to do a GAM analysis and have the following codes entered into R (density is = sample number, alive are the successes) density-as.real(density) y-cbind(alive,density-alive) library(mgcv) m1-gam(y~s(density),binomial) at which point I get the following error message Error in

Re: [R] change individual label colours in a cluster plot?

2009-03-04 Thread Sur Nathan
Hi Jim, How are you? I saw your posting. I am trying to do clustering for co authorship.What I have is undirected graph .I want to have clusters for 393 nodes. I am attaching the file along with this mail.If you move to the section Cluster I am looking to do something like that.Is it

[R] best fit line

2009-03-04 Thread anujgoel
Dear R Community, I am plotting this simple x-y plot (raw data plot attached). I cant fit a linear regression line to it. I have to figure out what is the best fit for this graph. Is there a way to tell which regression to use for this kind of data? Also, after selecting the best fit model, I

[R] Table Transformation

2009-03-04 Thread Christian Pilger
Dear R-experts, recently, I started to discover the world of R. I came across a problem, that I was unable to solve by myself (including searches in R-help, etc.) I have a flat table similar to key1key2value1 abcd_1 BP 10 abcd_1 BSMP1A abcd_1 PD 25 abcd_2 BP 20

[R] Colormap that look good in gray scale

2009-03-04 Thread thibert
Hi, I am looking for a colormap (in color) that look like a gradient in gray scale. It is to allow people without color printer to print the color graph and have something meaningful in gray scale. It can be something like this plot(1:6,col=c(1,7,5,3,2,4),pch=c(1,20,20,20,20,20)) but with

Re: [R] adding value labels on Interaction Plot

2009-03-04 Thread Paul Johnson
On Wed, Mar 4, 2009 at 10:52 AM, Dimitri Liakhovitski ld7...@gmail.com wrote: Hello - and sorry for what might look like a simple graphics question. I am building an interaction plot for d: d=data.frame(xx=c(3,3,2,2,1,1),yy=c(4,3,4,3,4,3),zz=c(5.1,4.4,3.5,3.3,-1.1,-1.3))

Re: [R] Table Transformation

2009-03-04 Thread Uwe Ligges
See ?reshape Uwe Ligges Christian Pilger wrote: Dear R-experts, recently, I started to discover the world of R. I came across a problem, that I was unable to solve by myself (including searches in R-help, etc.) I have a flat table similar to key1key2value1 abcd_1 BP 10 abcd_1

Re: [R] scatter plot question

2009-03-04 Thread Tim Cavileer
At 12:19 AM 3/4/2009, you wrote: plot(x,rho,pch=id) Or this. Tim dat id x rho 1 A 1 0.1 2 B 20 0.5 3 C 2 0.9 labels-dat$id labels [1] A B C plot(dat$x,dat$rho,pch=labels) __ R-help@r-project.org mailing list

Re: [R] Colormap that look good in gray scale

2009-03-04 Thread Achim Zeileis
On Wed, 4 Mar 2009, thibert wrote: Hi, I am looking for a colormap (in color) that look like a gradient in gray scale. It is to allow people without color printer to print the color graph and have something meaningful in gray scale. It can be something like this

Re: [R] best fit line

2009-03-04 Thread Uwe Ligges
anujgoel wrote: Dear R Community, I am plotting this simple x-y plot (raw data plot attached). I cant fit a linear regression line to it. I have to figure out what is the best fit for this graph. Is there a way to tell which regression to use for this kind of data? Also, after selecting the

[R] dividing ts objects of different frequencies

2009-03-04 Thread Stephen J. Barr
Hello, I have two time series objects, 1 is yearly (population) and the other is quarterly (bankruptcy statistics). I would like to produce a quarterly time series object that consists of bankruptcy/population. Is there a pre-built function to intelligently divide these time series: br.ts =

[R] arima additive seasonality

2009-03-04 Thread Martin Ivanov
Hello! I asked in this forum about what kind of seasonality the function arima() from stats implements. Now that I have been answered that it implements the Box-Jenkins multiplicative seasonality, I would like to ask whether there is in R possibility to model ARIMA with additive seasonality. I

Re: [R] best fit line

2009-03-04 Thread David Winsemius
On Mar 4, 2009, at 1:22 PM, anujgoel wrote: Dear R Community, I am plotting this simple x-y plot (raw data plot attached). I cant fit a linear regression line to it. I have to figure out what is the best fit for this graph. That is virtually impossible to define rigorously. The best fit

[R] Grouped Boxplot

2009-03-04 Thread soeren . vogel
Pls forgive me heavy-handed data generation -- newby ;-) ### start ### # example data g - rep.int(c(A, B, C, D), 125) t - rnorm(5000) a - sample(t, 500, replace=TRUE) b - sample(t, 500, replace=TRUE) # what I actually want to have: boxplot(a | b ~ g) # but that does obviously not produce what

Re: [R] Diff btw percentile and quantile

2009-03-04 Thread William Dunlap
Excel 2003's help for percentile just says it interpolates between the quantiles in the data: Array is the array or range of data that defines relative standing. K is the percentile value in the range 0..1, inclusive. If array is empty or contains more than 8,191 data points,

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