July 2010

R Beginner’s Guide Book Update 7/19/2010

July 19, 2010 | John Quick

Update: Statistical Analysis with R is now available!I am excited to announce that I have submitted the entire first draft of my R Beginner's Guide book, which is to be published through Packt. The tenth and final chapter was submitted a full month ahe...
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Welcome to Gosset’s student

July 19, 2010 | respiratoryclub

Welcome to Gosset’s student, a blog about statistics, with a focus on using R.  We’re all learning R, as it’s constantly being improved.  The blog will aim for brevity, and a focussed approach to getting some stats done, rather than elegance of code.  Discussions which show how ... [Read more...]

Creating a Presentation with LaTeX Beamer – Boxes

July 19, 2010 | Ralph

We can add coloured boxes with text or mathematics into a LaTeX beamer presentation which is particularly useful if we have definitions, theorem or computer code to highlight this information that may not be so accessible within a paragraph of text. Fast Tube by Casper The easiest way to create ...
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New StackOverflow site for Statistics

July 19, 2010 | David Smith

Since launching StackOverflow.com as a Q&A forum for programmers, the StackExchange network is now launching about three new sites a week on topics as specialized as cooking, jobs, and many many more. There's a well-defined, community-oriented process for setting up a new site: first it must be proposed, ... [Read more...]

Flexmix taks long time…

July 19, 2010 | Shige

I am running a mixture logit model on a sample of 10,000 cases. The model takes a long time (3-4 hours) to run, which makes it nearly impossible to try different specifications and such. It probably makes sense to use a subsample for exploratory analys...
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Npmlreg and Flexmix

July 18, 2010 | Shige

In my attempt to estimate a mixture regression model for the long-term impact of prenatal famine exposure, I compared results obtained from NPMLREG and Flexmix using the "rainfall" data set came with the package "forward" and was able to achieve identi...
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Latent variable analysis package for R

July 17, 2010 | Shige

This is another R package for latent variable analysis. I hope it can soon include multilevel and mixture modeling capacity. Another promising package is OpenMx, which is also under active development and very promising. At this moment, OpenMx seems to...
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What (Search Engines Think) People Want

July 17, 2010 | C

R O How G8 U R!Hey, R U there? Having used the R language for awhile now, I would like to let you know that R works - in fact R works really well. If you keep up with R news this should be no surprise...this is, after ...
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CoRe in CiRM [end]

July 17, 2010 | xi'an

Back home after those two weeks in CiRM for our “research in pair” invitation to work on the new edition of Bayesian Core, I am very grateful for the support we received from CiRM and through it from SMF and CNRS. Being “locked” away in such a remote place brought ...
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More StackExchange sites

July 16, 2010 | Rob J Hyndman

The StackExchange site on Statistical Analysis is about to go into private beta testing. This is your last chance to commit if you want to be part of the private beta testing. Don’t worry if you miss out — it will only be a week before it is then open ...
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Documenting R‘s Connections Internals

July 16, 2010 | Matt Shotwell

In studying R‘s connections source code, I’ve put together a series of notes about their workings. Rather than let the notes go where most of my notes go (I have no idea ), I decided to do some proofreading and make the notes available to others who might be ... [Read more...]

Because it’s Friday: Analytics of an Engagement

July 16, 2010 | David Smith

The always-interesting R blogger and political scientist Drew Conway -- and self-styled luckiest man on earth -- just announced some very happy news: he just got engaged to his future wife! Congratulations, Drew! (Drew proposed the traditional way, on a lovely European vacation. But if he'd just held off a ... [Read more...]

Generating Balanced Incomplete Block Designs (BIBD)

July 16, 2010 | Ralph

The Balanced Incomplete Block Design (BIBD) is a well studied experimental design that has various desirable features from a statistical perspective. The crossdes package in R provides a way to generate a block design for some given parameters and test wheter this design satisfies the BIBD conditions. For a BIBD ... [Read more...]

Rcpp 0.8.4

July 15, 2010 | Thinking inside the box

Romain and I wrapped up release 0.8.4 of Rcpp last Friday. However, given the time of year, it only appeared on CRAN this morning, and then only after some prodding as CRAN processing is more or less closed this week and probably next. This release... [Read more...]
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