Re: [R] GAM vs. MGCV packages

2007-10-25 Thread Prof Brian Ripley
The short answer is 'use mgcv unless you want compatibility with S or to use lo() terms'. You can read about the main differences by library(mgcv) ?gam Note that both packages are lower-case, and case does matter. On Wed, 24 Oct 2007, Firas Ahmed wrote: Hi all, I am a new R- user and I am

Re: [R] scoping problem

2007-10-25 Thread Prof Brian Ripley
Local updating is what I would have recommended. But predict() will work correctly with NA values in the fit if the latter was done with na.action=na.exclude. I would find it clearer to use fitted() here, which also works for na.action=na.exclude. On Wed, 24 Oct 2007, Christos Hatzis wrote:

Re: [R] convert factor dataframe into numeric matrix

2007-10-25 Thread Prof Brian Ripley
On Wed, 24 Oct 2007, sun wrote: I took a look at these two ref cards and indeed they are helpful, but still they are not complete enough to include this data.matrix() function in particular. But note that it is linked from ?as.matrix. Although the 'See Also' sections of the help pages often

[R] Match and replace between two data.frames

2007-10-25 Thread Lauri Nikkinen
Hi folks, I have two dataframes like these: DF - data.frame(ID=c(AA1234,AB3233,AC4353,AD2345,AE7453), CK32344=c(1,3,2,4,1), CK32664=c(2,1,1,2,3), CK33422=c(2,2,1,3,2)) VAL - data.frame(num=rep(6,3), type=c(CK32344, CK32664, CK33422), number=c(32,452,234)) I want to replace the values in

[R] adjust labels in plot:terminal_panel {party}

2007-10-25 Thread Alexander.Herr
Hi List, I am unsuccessfully trying to beautify barplot outputs from ctree. For example I would like to rotate x-axis lables and resize/change font/type. mtree - ctree(ME ~ ., data = mammoexp) plot(mtree,terminal_panel=node_barplot(mtree,col=black,fill=NULL, beside=TRUE, ylines=NULL,

[R] change in I(x) ? in R 2.6.0

2007-10-25 Thread Patrick Giraudoux
Dear listers, I am trying to use an old script which was working well in the previous R version. It looks like if it no longer works in R.6.0. I have a model of the form: glm(nath2$Positif ~ n + yearday + x + y + I(x^2) + I(y^2) + yearday:x + yearday:y, family = poisson, data = nath2) and

Re: [R] Package Build fails: make ./help: no such file or directory

2007-10-25 Thread Dieter Menne
Dieter Menne dieter.menne at menne-biomed.de writes: Trying again with a minimal example. When I run the following batch file under Windows 2000, R 2.6.0, I get the error message below. Rtools are installed and at the front of the path. rem Begin test package; File test.cmd rem Check the

Re: [R] Rotated viewports in Grid

2007-10-25 Thread Deepayan Sarkar
On 10/24/07, Paul Murrell [EMAIL PROTECTED] wrote: Hi Gustaf Rydevik wrote: Hi all, I'm trying to generate a plot containing a scatterplot, with marginal densityplots for x and y. However, when I try to generate a vertical densityplot, I get the message warning: can't clip to

Re: [R] Zicounts package

2007-10-25 Thread Achim Zeileis
On Thu, 25 Oct 2007, Nic Surawski wrote: Dear R users, I have been using the zicounts package (verson 1.1.4) in R (version 2.4.1). I have been fitting zero inflated Poisson regressions to model the number of trips made by a household. Whilst I can get the best fit parameter set from

Re: [R] Match and replace between two data.frames

2007-10-25 Thread Henrique Dallazuanna
HI, Perhaps: cbind(ID=DF$ID,as.data.frame(sapply(levels(VAL$type), function(x){DF[,x]=VAL$number[VAL$type==x];DF[,x]}))) On 25/10/2007, Lauri Nikkinen [EMAIL PROTECTED] wrote: Hi folks, I have two dataframes like these: DF - data.frame(ID=c(AA1234,AB3233,AC4353,AD2345,AE7453),

[R] RV: Multivariate regression tree: problems with surrogate splits

2007-10-25 Thread Trochine, Carolina
De: Trochine, Carolina Enviado el: mar 23/10/2007 13:45 Para: [EMAIL PROTECTED] Asunto: Multivariate regression tree: problems with surrogate splits R helpers, I am working with the R program performing multivariate regression trees (MRT). I have a matrix

[R] RV: Multivariate regression tree: problems with surrogate splits (complete commands)

2007-10-25 Thread Trochine, Carolina
De: Trochine, Carolina Enviado el: mar 23/10/2007 13:52 Para: [EMAIL PROTECTED] Asunto: Multivariate regression tree: problems with surrogate splits (complete commands) The secuence was not complete in the other message, sorry!

Re: [R] X Axis labeling with class zoo

2007-10-25 Thread Gabor Grothendieck
You can pass oma= and mar= to plot.zoo. This is apparent from the argument list in ?plot.zoo or from args(plot.zoo) On 10/25/07, John Theal [EMAIL PROTECTED] wrote: Hi Gabor, Sorry to bother you again, I'm having trouble controlling the margins on a multiplot window. Using a previous

[R] ploting survival curves

2007-10-25 Thread raymond chiruka
i'm trying to plot survival curves using the following code n=20 n1=n/2 n2=n/4 a11=4;a12=4 ;a21=4 ;a22=4 t1-array(1,c(n1)) t2-array(2,c(n1)) treatgrp=matrix(c(t1,t2))

Re: [R] problems with the last version of R

2007-10-25 Thread Duncan Murdoch
On 10/25/2007 10:25 AM, Trochine, Carolina wrote: R helpers, I would like to know if it is possible that the last version of R is not giving the surrogate splits when you perform a Multivariate regression tree analysis? I installed the programm in different computers and i run the some

Re: [R] calculate residue by groups

2007-10-25 Thread Henrique Dallazuanna
Hi, Works for me: samp$Resid - as.numeric(do.call(c,by(samp, samp$Race, function(x)resid(lm(stroke~Sex+Age, data=x) On 24/10/2007, Jiong Zhang, PhD [EMAIL PROTECTED] wrote: Hi Folks, I want to get the regression residue which each Race. But using: sample$resid -

[R] Semi-supervised clustering using constraints?

2007-10-25 Thread Tim Smith
Hi, Is there any package that implements semi-supervised clustering through 'must-link' and 'cannot-link' constraints? thanks! __ [[alternative HTML version deleted]] __

Re: [R] Changing steps on a graphic axes

2007-10-25 Thread Prof Brian Ripley
On Thu, 25 Oct 2007, Keith Jones wrote: I would like to tell R what increments to put the tick marks on an axes, e.g. xlim=seq(-5,5,1). I know that will not work. xlim will only except the beginning and end of the range for the axes. Consult the rest of ?par, especially 'xaxp' and 'lab'.

Re: [R] data frame usage

2007-10-25 Thread Henrique Dallazuanna
Hi, tapply(x$val, x$label, summary) On 25/10/2007, Bernd Jagla [EMAIL PROTECTED] wrote: Hi, I am new to R and couldn't find any information on how to handle my table data that I just read in the way I want to use it.. I read in a table from a file: x - read.delim(filenam, header=TRUE)

Re: [R] Find duplicates and save their max value

2007-10-25 Thread Benilton Carvalho
?aggregate b On Oct 25, 2007, at 1:21 PM, Paul Christoph Schröder wrote: Hi, maybe someone can help me with this: I have a matrix of genes and values: GeneName Value Abc1 10 Abc2 11 Bbc1-5 Bbc31 2 Ccd 5

Re: [R] subsetting

2007-10-25 Thread John Kane
I don't understand the criteria that gives you just the three ids. As I read the criteria if we put the data into a data.frame you have subset(mydata ,year==year.hatch year.1st.reprod == year.hatch+1) but this gives more than the three ids. What am I missing? --- [EMAIL PROTECTED] wrote:

Re: [R] data frame usage

2007-10-25 Thread Bernd Jagla
Wow, that easy... And how can get only the values for a specific class? Like tapply(x$val, x$label, ?echo?)$class1 What should echo be? Thanks, B |-Original Message- |From: Henrique Dallazuanna [mailto:[EMAIL PROTECTED] |Sent: Thursday, October 25, 2007 1:15 PM |To: Bernd Jagla |Cc:

Re: [R] data frame usage

2007-10-25 Thread Henrique Dallazuanna
Yes, or tapply(x$val, x$label, summary)[[1]] for the first class. On 25/10/2007, Bernd Jagla [EMAIL PROTECTED] wrote: Wow, that easy... And how can get only the values for a specific class? Like tapply(x$val, x$label, ?echo?)$class1 What should echo be? Thanks, B |-Original

Re: [R] data frame usage

2007-10-25 Thread Bernd Jagla
No, I just want to the values for one class nothing applied to them. So for example tapply(x$val, x$label, hist) gives me all kind of stats that can be used for plotting the histogram. But I want to plot the actual histogram for one class. I guess it would be easiest to take your construct and

[R] How to coerce this?

2007-10-25 Thread Gang Chen
This is the command I want to execute with function contrast in contrast package: contrast(MyObject, list(Trust=T), list(Trust=U)); As the two arguments with 'list' are defined as a string of characters, contr: str(contr) chr list(Trust=\T\),list(Trust=\U\) I would like to run

[R] Appropriate measure of correlation with 'zero-inflated' data?

2007-10-25 Thread Douglas Bates
I have reached the correlation section in a course that I teach and I hit upon the idea of using data from the weekly Bowl Championship Series (BCS) rankings to illustrate different techniques for assessing correlation. For those not familiar with college football in the United States (where

[R] ploting labels on barplot

2007-10-25 Thread Bernd Jagla
Again me. I want to plot the numbers on the bars of a barplot. This can be done using hist function when setting the label argument true (i.e. data - c(1,2,3,4) hist(data, labels=T) When I try this using barplot I get an error: barplot(summary(data), labels=T) Error in

Re: [R] data frame usage

2007-10-25 Thread Julian Burgos
Check out the tapply function. ?tapply Julian Bernd Jagla wrote: Hi, I am new to R and couldn't find any information on how to handle my table data that I just read in the way I want to use it.. I read in a table from a file: x - read.delim(filenam, header=TRUE) one column (x$label)

Re: [R] ploting labels on barplot

2007-10-25 Thread Henrique Dallazuanna
Perhaps: x - barplot(data, ylim=c(0, max(data)+1)) text(x,data+.2, data) -- Henrique Dallazuanna Curitiba-Paraná-Brasil 25° 25' 40 S 49° 16' 22 O On 25/10/2007, Bernd Jagla [EMAIL PROTECTED] wrote: Again me. I want to plot the numbers on the bars of a barplot. This can be done using

Re: [R] Appropriate measure of correlation with'zero-inflated' data?

2007-10-25 Thread Horace Tso
Doug and the football fans out there, I'm no football expert myself. But here is what my colleague said after reading the posting. I can't help you with the equation, but I can say that the polls are very poor predictors of performance. The reason they do such a bad job is that pollsters

[R] Strange behavior with time-series x-axis

2007-10-25 Thread Allen McIntosh
I recently called plot(x,y) where x was an array of POSIXct timestamps, and was pleasantly surprised that it produced a nice plot right out of the box: z - as.POSIXct(c(2006-10-26 08:00:00 EDT,2007-10-25 12:00:00 EDT)) x - seq(z[1],z[2],len=100) y - 1:100 plot(x,y,type=l) The X axis had nice

Re: [R] Appropriate measure of correlation with'zero-inflated' data?

2007-10-25 Thread Soukup, Mat
While I can't help much in the way of assessing the correlation (at least in a numerical sense), I have provided some code below to visualize the data bringing in an additional variable for the preseason ranking of the team according to the AP poll as it appears here:

[R] 1-d function fitting

2007-10-25 Thread m p
Hello, I'd like to check if my data can be well approximated with a function (1+x/L) exp(-x/L) and calculate the best value for L. Is there some package in R that would simplify that task? Thanks, Mark __ [[alternative HTML version

Re: [R] 1-d function fitting

2007-10-25 Thread Rolf Turner
On 26/10/2007, at 10:14 AM, m p wrote: Hello, I'd like to check if my data can be well approximated with a function (1+x/L) exp(-x/L) and calculate the best value for L. Is there some package in R that would simplify that task? Thanks, Mark Is this a homework question?

[R] the difference between temp and .temp

2007-10-25 Thread Tim Calkins
Hi everyone - This came up within the last day -- Jim's response to Deepankar is pasted below. There are probably lots of reasons, but what is the advantage to using .temp over, say, temp? I often find myself writing temporary objects -- should I use the . preface? What would be the advantages

Re: [R] the difference between temp and .temp

2007-10-25 Thread Rolf Turner
On 26/10/2007, at 11:44 AM, Tim Calkins wrote: Hi everyone - This came up within the last day -- Jim's response to Deepankar is pasted below. (but snipped out of this response). There are probably lots of reasons, but what is the advantage to using .temp over, say, temp? I

[R] finding birth position

2007-10-25 Thread Deepankar Basu
Hi All, I have data on the sequence of births for families with completed fertility cycle (in a data frame); the relevant variables are called b1, b2, b3, b4, b5, b6 and record the birth of the first, second, ..., sixth child. So, b1=1 if the first birth is male, b1=2 if the first birth is

Re: [R] finding birth position

2007-10-25 Thread jim holtman
You might want to consider another representation, but it would depend on how you want to use it. Here is a 'list' that records for each row the position of the boys; does this start to give you the type of data that you want? These are the numeric values of where the boys occur. x.m b1

Re: [R] How to plot multiple variables on the same graph

2007-10-25 Thread jim holtman
matplot(mat, cbind(a,b,c)) On 10/25/07, Rafael Barros de Rezende [EMAIL PROTECTED] wrote: How to plot multiple variables on the same graph Dear R users, I want to plot the following variables (a, b, c) on the same graph. The x-axis must be the variable mat and the graph must have

[R] Auckland postition.

2007-10-25 Thread red1st
Hello, r-help. Great opportunity to develop your career in our company within Funds Management. Great way to further your knowledge in the funds management area. No experience is required as we will provide full training if you suit our organization. We are looking for motivated people in

[R] Accessing scripts in a different directory on a Mac

2007-10-25 Thread Bryan Hanson
Hi all. A question for knowledgeable folks using R on an Intel Mac running OS X 10.4.10 For ease of maintenance, I have broken a large R script into a main script which ³oversees² things by calling other scripts, using ³source². Let¹s call the secondary scripts ³sub-scripts.² I¹d like for the

Re: [R] Deparsing part of a list argument

2007-10-25 Thread Duncan Murdoch
On 25/10/2007 5:38 PM, Andrew Smith wrote: Here's a simple example of the type of function I'm trying to write, where the first argument is a list of functions: myfun - function(funlist, vec){ tmp - lapply(funlist, function(x)do.call(x, args = list(vec))) names(tmp) -

Re: [R] the difference between temp and .temp

2007-10-25 Thread Duncan Murdoch
On 25/10/2007 7:11 PM, Rolf Turner wrote: OTOH something called temp is unlikely to be something of which you are passionately fond anyhow. Unless you put your thousand year temperature records into it. Duncan Murdoch __ R-help@r-project.org

Re: [R] Deparsing part of a list argument

2007-10-25 Thread Gabor Grothendieck
Check out: http://tolstoy.newcastle.edu.au/R/e2/help/06/10/2242.html On 10/25/07, Andrew Smith [EMAIL PROTECTED] wrote: Here's a simple example of the type of function I'm trying to write, where the first argument is a list of functions: myfun - function(funlist, vec){ tmp -

Re: [R] Accessing scripts in a different directory on a Mac

2007-10-25 Thread Tim Calkins
consider something along the lines of: scriptdir - '/path/to/scripts/ source(paste(scriptdir,'subscript.r',sep='')) alternatively, you could try: workdir - getwd() scriptdir - '/path/to/scripts/ setwd(scriptdir) source('subscript.r') setwd(workdir) cheers, tim On 10/26/07, Bryan Hanson