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230 results for “from:Francisco J. Zagmutt”

goodfit par estimates
Francisco J. Zagmutt · Oct 20, 2005 · r-help

Are you trying to obtain the MLE parameter estimates? If so, in your example you just need to use fit$par. Cheers Francisco >From: Elizabeth Lawson <lizzylaws at yahoo.com> >To: r-help at stat.math.ethz.ch >Subject: [R...

question from environmental statistics
Francisco J. Zagmutt · Jul 14, 2005 · r-help

Take a look at this document by Vito Ricci: http://cran.r-project.org/doc/contrib/Ricci-distributions-en.pdf Did you try RSiteSearch("Fit distribution") or a Google search? That will lead you to fit.dist{gnlm} and fitdistr...

I do not understand this
Francisco J. Zagmutt · Dec 7, 2006 · r-help

I use thunderbird as my newsreader and I see the thread just fine. So, don't worry, nobody has deleted what you regard as a useful contribution. Regards Francisco Dr. Francisco J. Zagmutt College of Veterinary Medicine and Biomedical Sciences...

Off topic - Compendium of distributions
Francisco J. Zagmutt · Dec 3, 2009 · r-help

This is not an R related posting but I thought it would be interesting for readers of this list. Apologies for any cross-posting Dear all Our company Vose Software has just made a very comprehensive ?Compendium of Distributions? available...

how to write and read an array ?
Francisco J. Zagmutt · Oct 27, 2005 · r-help

check ?dput and ?dget Cheers Francisco >From: vincent at 7d4.com >To: r-help at stat.math.ethz.ch >Subject: [R] how to write and read an array ? >Date: Thu, 27 Oct 2005 19:00:10 +0200 > >Hi, >Apologies if...

Transformed predictor in linear model
Francisco J. Zagmutt · Oct 30, 2003 · r-help

Hi I fitted a mixed model with several categorical and continuous fixed variables and 3 nested random intercepts, using a transformation of the predictor y = log(y+1) and I used the defaults contrast treatment and contrast polynomial. The resulting...

In which application areas is R used?
Francisco J. Zagmutt · Jan 23, 2006 · r-help

If it hasn't been mentioned yet, and if you want to consider this as a separate discipline from the ones mentioned below, we also use it for simulation modeling and risk analysis. Francisco >From: "John Maindonald" <john.maindonald at...

i param in "for" loop does not takes zeros?
Francisco J. Zagmutt · Apr 13, 2005 · r-help

Hi all Is there any reason why the parameter i in a "for" loop ignores a value of zero? For example sim=c() p=.2 for(i in 0:5) {sim[i]=dbinom(i,5,p) } sim [1] 0.40960...

Expand duplicated observations
Francisco J. Zagmutt · Jun 5, 2007 · r-help

I think this will do what you want x=c(1,2,3) rep(x,x) [1] 1 2 2 3 3 3 Regards Francisco M. P. Papadatos wrote: > Dear all, > > I am trying to expand duplicated observations. I need...

How to sort a dataframe by one variable
Francisco J. Zagmutt · Jun 28, 2005 · r-help

Try RSiteSearch("Sort data frame"). Anyhow, use order() or sort.list() as follows: dat[order(dat[,'myColumn']),]#Sorts data.frame dat by column "myColumn" dat<-dat[sort.list(dat$myColumn, decreasing = T),] #Another option to do the same. You can...

Poisson and negative binomial models with truncation
Francisco J. Zagmutt · Jan 16, 2006 · r-help

Did you try RSiteSearch("zero-inflated")? Francisco >From: Katrin Bernath <katrin.bernath at wsl.ch> >To: r-help at stat.math.ethz.ch >Subject: [R] Poisson and negative binomial models with truncation >Date: Mon, 16 Jan 2006 14:15:14...

count repetitions
Francisco J. Zagmutt · May 11, 2006 · r-help

See ?rle i.e.: x=c(0,0,1,1,1,0,1,1,1,0,1,1,1,1,0,0,0,0,0) rle(x) Run Length Encoding lengths: int [1:7] 2 3 1 3 1 4...

Archive Search on R Help Mailing List Help
Francisco J. Zagmutt · Aug 6, 2005 · r-help

Try accesing http://search.r-project.org/ directly or within R using RSiteSearch(utils). It is not the same site that you are asking for but you will find very useful information there (including a link to Robert King's...

estimate variance
Francisco J. Zagmutt · Dec 12, 2006 · r-help

assuming your data is called dat, you can use: tapply(dat$sc, INDEX=list(p=dat$p, aa=dat$aa), var) see ?tapply and ?var I hope this helps Francisco Aimin Yan wrote: > I have data like this > > aa p...

horizontal position of plot title
Francisco J. Zagmutt · May 9, 2005 · r-help

par(adj=0) will do the job. It is described in details under ?par. You just need to look a little bit closer ;) Cheers Francisco >From: Jacob Etches <jacob.etches at utoronto.ca> >To: r-help at stat.math.ethz...

ifelse() question
Francisco J. Zagmutt · Oct 28, 2004 · r-help

Hi I have a data.frame with dim = 18638 (rows) 6 (cols) names(dat) [1] "id" "long" "lat" "species" "type" "size" Variable "species" and "type" are factors. Species has 5 levels "BOV" "CAP" "CER" "OVI" "POR" Variable "type" has 11...

Identical data frames
Francisco J. Zagmutt · Sep 21, 2005 · r-help

you just said t. identical() will compare *strict* equality i.e. d1=data.frame(x=,y=1:30) d2=d1 identical(d1,d2) [1] TRUE d1=data.frame(x=letters,y=1:26) d2=data.frame(x=c("aa",letters...

CDF of a gamma distribution
Francisco J. Zagmutt · Aug 14, 2007 · r-help

pgamma(q=50,shape=5.1379,rate=0.017541) Francisco Jake Verschuyl wrote: > > > Hi there, > > > > I have some bird flight height data that follows a gamma distribution. The > data (x) goes from 0 to 700 meters (n=1055). The calculated...

someone knows how to title a image.plot() in a layout?
Francisco J. Zagmutt · Nov 7, 2005 · r-help

What error are you getting? What did you try? If you want to get meaningful help you need to provide examples of what you did and didn't work. Read the bottom of the message that you just sent and...

lwd - Windows
Francisco J. Zagmutt · Apr 25, 2006 · r-help

Dear all Is there a way or trick in windows to plot a line width that is not an integer i.e 1.5? I am aware that the documentation for window devices states "Line widths as controlled by par...

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