search for: binabina

...- tritest$y vm <- voronoi.mosaic(x,y) plot(vm) par(new=T) plot(x,y,col='blue') it looks at it should. -zubin > > From: Prof Brian Ripley <ripley at stats.ox.ac.uk> > Date: 2006/07/19 Wed AM 03:15:51 EDT > To: Don MacQueen <macq at llnl.gov> > CC: zubin <binabina at bellsouth.net>, r-help at stat.math.ethz.ch > Subject: Re: [R] voronoi tessellations > > On Tue, 18 Jul 2006, Don MacQueen wrote: > > > I'll suggest going to the CRAN packages page and doing a search for "voronoi". > > The problem here is that `Vorono...

the R developer site has been down for some time, what gives? http://developer.r-project.org/

Hello, trying to locate all the string commands in the base version of R, can't seem to find an area that describes them. I am in need to do some serious parsing of text data to create my dataset. Is there a summary link to all the character operators? string manipulations that would help in parsing text.

Hello, we are needing to generate optimal (Fractional) designs for discrete choice applications, where we will be using logistic regression or multinomial logit as the modeling technique. It looks like optFederov, in the AlgDesign package may work, but not sure if this algorithm works when the variable of interest is binary or nominal? Anyone who are experts in this area, anyone interested

hello, i just got introduced to R - WOW its beautiful.. I am presently a SAS user and wanted to configure R to work in a multi-user enteprise environment. Client - Server. Where we have a strong LINUX server supporting about 10 statisticians with R. Anyone have any backround or information they can share to help me get jump-started on setting up R in this environment? Does each user have

Hello, does anyone know of any R routines capable of whats called Hierarchical Forecasting, reconciling the different hierarchies. Example: A top down forecast where the corporate forecast is created and then all the regions within the corporate entity are also forecasted, with the constraint they sum to the corporate forecast.

Hello, running a mixed model in the package LME4, lmer() Panel data, have about 322 time periods and 50 states, total data set is approx 15K records and about 20 explanatory variables. Not a very large data set. We run random intercepts as well as random coefficients for about 10 of the variables, the rest come in as fixed effects. We are running into a wall of time to execute these models.

Hello, not understanding the output of prcomp, I reduce the number of components and the output continues to show cumulative 100% of the variance explained, which can't be the case dropping from 8 components to 3. How do i get the output in terms of the cumulative % of the total variance, so when i go from total solution of 8 (8 variables in the data set), to a reduced number of

Hello, we are writing rich internet user interfaces and like to call R for some of the computational needs on the data, as well as some creation of image files. Our objects communicate via the SOAP interface. We have been researching the various packages to expose R as a SOAP service. No current CRAN SOAP packages however. Found 3 to date: RSOAP (http://sourceforge.net/projects/rsoap/)

Hello, writing some R code to cleanse a data set, if the following set of symbols are identified then perform some actions. trying to write the minimum code to do this. tname = "VIX" checkticker = c("VIX", "TYX", "TNX", "IRX") if (tname == checkticker) { //perform some operations } result i get is > tname == checkticker

Hello, does R estimate belief networks to estimate chains of causality. Anyone point me to the right direction, or the most developed library? looking at DEAL>

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...hanks, Steve _________________________________________________________________ [[elided Hotmail spam]] ------------------------------ Message: 38 Date: Mon, 30 Mar 2009 08:46:58 -0700 From: Michael Lawrence <mflawren@fhcrc.org> Subject: Re: [R] Mature SOAP Interface for R To: zubin <binabina@bellsouth.net> Cc: r-help@r-project.org Message-ID:     <509e0620903300846x19791c59y56bbaaa5c5920543@mail.gmail.com> Content-Type: text/plain On Sat, Mar 28, 2009 at 6:08 PM, zubin <binabina@bellsouth.net> wrote: > Hello, we are writing rich internet user interfaces and like to...

...;> PLEASE do read the posting guide >>> http://www.R-project.org/posting-guide.html >>> and provide commented, minimal, self-contained, reproducible code. >> >> > ------------------------------ Message: 52 Date: Wed, 29 Jun 2011 15:31:27 -0400 From: zubin <binabina at bellsouth.net> To: r-help at r-project.org Subject: [R] lmer() computational performance Message-ID: <4E0B7D8F.8080105 at bellsouth.net> Content-Type: text/plain; charset=ISO-8859-1 Hello, running a mixed model in the package LME4, lmer() Panel data, have about 322 time periods and 50...

...Seconded! >>>> Ted. >>>> -- Frank E Harrell Jr Professor and Chair School of Medicine Department of Biostatistics Vanderbilt University ------------------------------ Message: 12 Date: Mon, 29 Sep 2008 08:05:15 -0400 From: zubin <binabina at bellsouth.net> Subject: Re: [R] example - export a data frame to an XML file To: Duncan Temple Lang <duncan at wald.ucdavis.edu> Cc: r-help at r-project.org Message-ID: <48E0C47B.601 at bellsouth.net> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Duncan, thanks for...

Announcing a new Meetup for Atlanta useR Group (R Programming Language)! > > What: The Innagural Atlanta useR Group Meeting! > > When: November 5, 2008 7:00 AM > > Where: Click the link below to find out! > > Meetup Description: Hello All! > > I am putting this on the books for the first Atlanta useR meeting. I > apologize fro the delays, but I think everyone will

Hello, I have some time series applications, where i have a large set of X variables (hundreds) and thousands of time data points (sampling every minute). I like to use the caret package to support the analysis, variable selection and model selection. However, reading the documentation, it looks like caret uses resampling methods. Not sure if these methods work with time series, as you

Hello, I am getting requests to place our PDF slides (output from beamer) into Microsoft Powerpoint formats (.ppt). What's the best practice or any recommended software packages (any success with open or commercial) that we can use to convert PDF slides into an EDITABLE powerpoint deck? Thanks in advance.

Hello.. How do I get str() to show all variables in a data frame? It seems to be "list output truncated" at about 99 variables, the data frame has over 600 but i can't seem to figure out how to show all variables, we see list.len() but again can't seem to figure this out - help will be appreciated. R> str(raw) 'data.frame': 1201 obs. of 626 variables: . . $

Hello, i see packages referencing using ODBC access to databases via R, are there any packages that use JDBC to submit SQL to a database and return into a data frame? -zubin