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stephen sefick wrote: > ?read.csv > ?paste > ?as.Date > ?as.dataframe > library(ggplot2) > ?qplot > Also: library(zoo) ?zoo Stefan

JannaB schrieb: > Anyone know where I can obtain an R implementation of the Black- > Litterman portfolio model? > > There is the BLCOP package. hth Stefan

On Thursday 14 February 2008 06:27:07 pm Stefan Grosse wrote: SG> df$col3<-df1$col1*2 ups it should be df1$col3<-df1$col1*2

Am 05.08.2010 12:57, schrieb spigo: > I don't know how to do it. I need to use reshape? how? > thanks for your reply. example(reshape) Stefan

Sam, Have you tried to produce a ps/eps figure with the postscript device? Does this work? you could still convert it to pdf with ghostscript or include eps figures... Stefan

I am having problems to access the r-project.org homepage, someone else as well? (I know there are CRAN mirrors but they link back on the main page if I search something) Stefan

Edwin Sendjaja schrieb: > Hi, > > Can someone help me how to create a table for Min, Max, Mean, Deviance. > > Try the summaryBy function of the doBy package. The package has an excellent vignette (=documentation). hth Stefan

Am Donnerstag, den 29.07.2010, 13:22 -0400 schrieb Ralf B: > Is it possible to remove all variables in the current environment > through a R command. > > Can one do that in R? see ?rm

Am 19.05.2010 19:36, schrieb Sabatier, Jennifer F. (CDC/OID/NCHHSTP): > mydf<-data.frame(matrix(rnorm(102), ncol=6) > you mean something like: mydf[2:length(mydf[,1]),6]<-NA hth Stefan

> I would say if you just want to prove that older deer have more scars > try the Mann Whitney non parametric test... > Forgive me but even that does not really make sense since the values are all 0 so it...

Hi, Fedora is for Fedora 9 switching to gcc 4.3. Before I test it (rawhide) I want to be sure that R is running. So my question is whether there have been issues compiling R + packages using 4.3...

Am 12.07.2010 20:25, schrieb Bogaso Christofer: >> library(zoo) > >> seq(as.yearmon("2010-01-01"), as.yearmon("2010-03-01"), by="1 month") > seq(as.Date("2010-01-01"), as.Date("2010-03-01"), by="1 month") hth...

Andreas Klein schrieb: > Hello. > > > Does anyone know, if there is a function in R to compute the vector autocorrelations? > > ?ccf on bivariate time series. + have a look at the vars package though I am not sure what exactly you are...

I had no problem on Fedora Core 5. Patrick Connolly schrieb: > I've tried unsuccessfully to install lme4 on two different Redhat > systems but I've not noticed anything on this list to indicate anyone > else has had similar problems. > >

On Fri, 30 Jul 2010 18:59:50 -0700 (PDT) leepama wrote: L> please give me answer! Please do your homework yourself and PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented...

On Sun, 28 Nov 2010 03:46:45 -0800 (PST) satimis at yahoo.com wrote: SL> Hi folks, SL> SL> Which R packages containing sample .xls files? TIA Help yourself! Create your own! If you do not have Excel use...

> Hi, > > I was trying to install the package"RWinEdt" in my computer with Vista OS. > O Use Tinn-R it works with Vista although has some minor issues (which are probably system specific). https://sourceforge.net/projects/tinn-r Stefan...

how about learning to use help.search? (In may you already asked a similiar question...) help.search("hexadecimal") which would lead you to format.hexmode ?format.hexmode Romain Lorrilliere schrieb: > Hi, > > do you know, a method to convert an decimal...

On Sat, 26 Sep 2009 15:26:12 +0900 You Hyun Jo <youhyunjo at gmail.com> wrote: YHJ> Is there any (performance) difference (except the difference of YHJ> the return types) YHJ> between the following two computations? Try it yourself...

On Fri, 4 Sep 2009 01:07:49 -0700 (PDT) dennis11 <detebeest at hotmail.com> wrote: D> It added an index and shifted the column names by one, b is above a, D> and a is above the added index...