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[R] Timings of function execution in R [was Re: R in Industry]
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Re: [R][Rdev] any way to generate "bitmap " (tif,jpeg,png etc) files
   in R CMD B

On Fri 25 Feb 2005 Oleg Sklyar wrote > Hi Community > > here is the problem Linux problem (reported to work on Windows). I need to > generate graphical output in any of bitmap format under

outlier threshold

For the analysis of financial data wih a large variance what is the best way to select an outlier threshold? Listed below is there a best method to select an outlier threshold and how does R cal

any way to generate "bitmap " (tif,jpeg,png etc) files in
   R CMD BATCH

Hi Community here is the problem Linux problem (reported to work on Windows). I need to generate graphical output in any of bitmap format under the 'R CMD BATCH '. Whereas the script generatin

passing command line arguments to 'R CMD BATCH myScript.R '

Hi Community I have a question about how to pass command line parameters to R script running in the batch mode. The problem is there is a banch of data files which are to be processed by R sc

two line plot title with expression problem

Dear R-users I am having a problem formatting a two line plot title with the first line text and the second line an expression. I can?t get the second line expression to line up with the first b

[R] restoring vector v from v[-i]

Hi I have a little function that takes a vector v and an integer i. I want to manipulate v[-i] (to give v.new say) and then put (unmanipulated) v[i] back into the appropriate place. For e

Re: anova grouping of factors in lme4 / lmer

Hi. Yesterday a revised version of lme4 came out that makes my question unnecessary. I was using the latest version available from my mirror (which was 6 days old rather than 1 day old). Please

Repeated measures MANOVA

Hi sorry to bother you again but I can 't figure it out myself and I also can 't find any in-depth documentation about it... Consider the following SAS code (A1II2... contain the measurements

anova grouping of factors in lme4 / lmer

Hi. I 'm using lmer() from the lme4 package (version 0.8-3) and I can 't get anova() to group variables properly. I 'm fitting the mixed model Response ~ Weight + Experimenter + (1|SUBJECT.NAME) +

display full form in args

Forgive me for I do not fully comprehend the idea of classes and methods but I was wondering if someone could help explain why the function args () behaves the way it does. Why does args(cut) sho

Strange Colnames

Hello world I am trying to create a matrix of lagged time series with the following code fragment (I know that I can use acf-function...). I want to set the variable/column name to something lik

Oriented PCA in R?

Is there an R implementation of Oriented PCA? Thanks for your help. Gorden

how to produce disease maps

Loops and dataframes

Hi I am experiencing a long delay when using dataframes inside loops and was wordering if this is a bug or not. Example code > st <- rep(1 100000) > ed <- rep(2 100000) > for(i in 1 length(s

Problem using stepAIC/addterm (MASS package)

Hello I 'm currently dealing with a rather strange problem when using the function "stepAIC " ( "MASS " package). The setting is the following From model learning data sets ( "learndata ") I want t

RE: [R] Bayesian stepwise (was: Forward Stepwise regression based
   onpartial F

oops Forgot to cc to the list. Regards Mike -----Original Message----- From dr mike [mailto dr.mike@(protected)] Sent 24 February 2005 19 21 To 'Spencer Graves ' Subject RE [R]

calculatingmean value for duplicates in affy array

Hi I was trying read in an affy array/matrix and then to calculate the mean value for all the duplicates. Is there a function in the R package that would do this? I tried the help function a

How to set up number of prin comp.

Hello I am trying to use PrinComp to do principle component analysis. I would like to know how to set the number of principle components. Thanks in advance. Best Regards

Bayesian stepwise

Spencer Graves wrote > Does anyone know of research fully Bayesian stepwise procedures > assuming that models not considered by the stepwise would essentially > have zero posterior probab

Simulation Progress

Hi I 've made a function that executes a monte-carlo simulation. It always needs a lot of time until e.g. 1Mio simulation steps are done. So I would like to know how many percent of the work is

main effect & interaction in 2-way ANOVA

Hi I am just a little confused of mian effect in the analysis of variance (ANOVA) when you include or do not include an interaction term. Let 's assume a simple case of 2-way ANOVA with 2 factor

accurate log(1+x) {was "(arbitrary) precision "}

> > > > > "Gabor " Gabor Grothendieck <ggrothendieck@(protected) > > > > > > on Fri 18 Feb 2005 02 55 15 +0000 (UTC) writes Gabor > Michael Grottke <Michael.Grottke <at > duke.edu > Gabor > writ

New package for microeconomics: micEcon

Dear all I have uploaded a new package called micEcon (version 0.1-3) to CRAN (an early version of this package has been already presented at useR! 2004). It contains tools for microeconomic an

help: how to get coefficients from the result

I am using timereg and Survreg packages below is the output but how can I get the coefficient for zt1 zt2 directly that is how can I get 0.000946 and 0.963000 directly ? I tried

Density of the Multivariate T Distribution

Hi I am looking for an efficient way to compute the values of the density function of a multivariate T distribution - something like "dmvnorm " but for T distr. Does this exist somewhere? Ma

Logic regression equation in character form?

Perhaps I can ask a more focused question "Earl F. Glynn " <efg@(protected) > wrote in message news cvig76$3jq$1@(protected) > I want to get some "simple " logic regression examples

string concatenation operator

Why doesn 't R have one like ". " in Perl or juxtaposition in awk? It does not seem impossible to introduce one if that would be reasonable. It would seem to involve adding a table entry to main

3 boxplots in one

I currently have 3 separate boxplots but would like to put them all in the graphic so they would have the same scale. Below are the three statements and as you can see the Y axis is weight bwplo

Do environments make copies?

I am using environments to avoid making copies (by keeping references). But it seems like there is a hidden copy going on somewhere - for example in the code fragment below I am creating a referen

circ.summary question

When using circ.summary is it is necessary to convert radian data? I have run circ.summary and it reports an n of 1 when I have 2620 points. Thanks Chris
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