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Hello, Is it possible to get historical option prices using RBloomberg? Is it possible to get intraday data? Thank you! Moshe Olshansky.

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Is there a convenient way to respond to a particular posting which is a part of the digest? I mean something that will automatically quote the original message, subject, etc. Thank you! Moshe Olshansky m_olshansky at yahoo.com

Hello! I have a short question: Is it possible to create a (non-existing) Access database using R (and if yes, how)? I need to create a new database and then insert a few tables into it. Thank you in...

Note: forwarded message attached. Mistakenly I did not send this to the list! -------------- next part -------------- An embedded message was scrubbed... From: Moshe Olshansky <m_olshansky at yahoo.com> Subject: Re: [R] Combine matrix Date: Thu, 16 Aug 2007 22:22...

Are your polygons convex? --- Haiyong Xu <xuhy at ucla.edu> wrote: > Hi there, > Is there any package which can calculate the > overlapping area of two > polygons or output the coordinates of the > overlapping of two polygons? > > Thanks. > Haiyong > > ______________________________________________ > R-help...

Hello, Is there any R code which allows to calculate the price of an American basket option (option on a price of a portfolio)? If yes, are there any references to how accurate these calculations are? If no, can anybody...

Hi everyone, I am sure that this question has been asked here some time ago but I do not remember the answer and was unable to find it in the archives... Below is my question: suppose that I have a...

For large samples you have asymptotic normality! --- Paul Smith <phhs80 at gmail.com> wrote: > Dear All, > > The package mratios can perform inferences for > ratios of normal means. > Is there some other package to do the same but with > non-normal...

Try strsplit(vv,"$",fixed=TRUE) --- Edna Bell <edna.bell01 at gmail.com> wrote: > Hello R Gurus: > > I would like to take a character string and split at > the $ sign. > > I thought that strsplit would do it, but here are > the...

If your vector is x then which(is.na(x)) produces that inecies. --- Megh Dal <megh700004 at yahoo.com> wrote: > I have a vector with some of it's elements are NA. I > am looking for a function to detect...

Also try xlsReadWrite package on CRAN. --- Erika Frigo <erika.frigo at unimi.it> wrote: > > Good morning to everybody, > I have a problem : how can I import excel files in > R??? > > thank you very much > > > Dr.sa. Erika Frigo > Universit? degli...

Try ReadWriteXls package from CRAN. --- dala <lamkhanhvns at yahoo.co.uk> wrote: > > I have a 2 columns, Date and Number, in Excel. > I copy and paste them into Notepad. > I can use scan() to import the file but how do...

> 50 %% 12 [1] 2 > 50 %/% 12 [1] 4 > ?Arithmetic --- livia <yn19832 at msn.com> wrote: > > Hello everyone, > > I have got a question about a simple calculation. If > I would like to > calculate 50/12 and return the result as 4...

Try apply(A,2:3,sum) --- Saurav Pathak <saurav at sas.upenn.edu> wrote: > Hi, > > I cannot seem to figure out how to sum over an index > of a array. > For example, let A be a 3 dimensional array. I...

Hi Animesh, Can you send an example of an Excel file you need to process (and the result you wish to get)? Regards, Moshe. --- "Acharjee, Animesh" <animesh.acharjee at wur.nl> wrote: > Dear All, > I am new to R. I...

Hi everyone, I am afraid that I have already asked this question in the past (or at least I knew an answer to it) but I am unable to do it now. I have an SQL Server data base. I...

> unlist(strsplit("bA531F16-rep","\\-"))[1] [1] "bA531F16" --- Carlos Morales <carlosmoralesdiego at yahoo.es> wrote: > Hello, > > I would like to know what can I do if I use > strplit with a string and I want to use the middle > left,I...

strings[-grep("ba",strings)] --- On Thu, 19/6/08, Daren Tan <daren76 at hotmail.com> wrote: > From: Daren Tan <daren76 at hotmail.com> > Subject: [R] Any simple way to subset a vector of strings that do contain a particular substring...