2609 search results for "gis"

Bayes vs. SAS

May 6, 2010
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Bayes vs. SAS

Glancing perchance at the back of my Amstat News, I was intrigued by the SAS advertisement Bayesian Methods Specify Bayesian analysis for ANOVA, logistic regression, Poisson regression, accelerated failure time models and Cox regression through the GENMOD, LIFEREG and PHREG procedures. Analyze a wider variety of models with the MCMC procedure, a general purpose Bayesian

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Where do you want an R User Group?

May 4, 2010
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Wishing there was a local R User's group in your area, but can't find one? New user groups are springing up all the time, but you can kickstart the process by registering interest for a group in your area at meetup.com. As you can see from the map below, there's interest in many places -- your vote could prompt...

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Introduction to R, live virtual talk from JD Long tomorrow

May 3, 2010
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JD Long (of Cerebral Mastication fame) will be giving a live "virtual talk" introducing R: "What it's best at and how you can use it to help you massage data". The talk will be at 7:30PM Pacific time tomorrow, Tuesday May 4. You can register at the link below. vconf.org: Presentation: R The Language

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Quick and dirty parallel processing in R

April 30, 2010
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Quick and dirty parallel processing in R

R has some powerful tools for parallel processing, which I discovered while searching for ways to fully utilize my 8-core computer at work. What surprised me is how easy it is…about 6 lines of code, if that. Given that I wasn’t allowed to install heavy duty parallel-processing systems like MPICH on the computer, I found

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R Beginner’s Guide Book Update 4/28/2010

April 28, 2010
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R Beginner’s Guide Book Update 4/28/2010

Update: Statistical Analysis with R is now available!I am writing to update you on the progress of my R Beginner's Guide book, which is to be published through Packt. I have really gotten to work over the past couple months and have recently completed ...

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R Beginner’s Guide Book Update 4/28/2010

April 28, 2010
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R Beginner’s Guide Book Update 4/28/2010

Update: Statistical Analysis with R is now available!I am writing to update you on the progress of my R Beginner's Guide book, which is to be published through Packt. I have really gotten to work over the past couple months and have recently completed ...

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Some LaTeX Gems – Part 1: TikZ, Loops and more

April 23, 2010
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Some LaTeX Gems – Part 1: TikZ, Loops and more

This logo means that the blog post is about something I have found interesting, but does not apply directly to the exact purpose of this blog. Note: These commands have been tested in pdflatex. I am not sure if they work in other distributions. Over the past couple of months, I have been assisting with editing some papers and also doing...

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Free Video Courses on R, Structural Equation Modelling, Causal Inference, and Regression from Uni Jena

April 22, 2010
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Free Video Courses on R, Structural Equation Modelling, Causal Inference, and Regression from Uni Jena

The Department of methodology and Evaluation Research at Universität Jena has made available a set of free online video courses on data analysis.They cover topics that are particularly relevant to psychology and social science researchers, including ...

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Parallel Multicore Processing with R (on Windows)

April 21, 2010
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Parallel Processing backend for R under windows - installation tips and some examples.

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Experiments with igraph

April 21, 2010
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Experiments with igraph

Networks – social and biological – are all the rage, just now. Indeed, a recent entry at Duncan’s QOTD described the “hairball” network representation as the dominant cultural icon in molecular biology. I’ve not had occasion to explore networks “professionally”, but have always been fascinated by both networks and the tools used to analyse them.

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