Blog Archives

Confidence Regions for Regression Coefficients

September 16, 2012
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Confidence Regions for Regression Coefficients

Let’s consider the usual linear regression model, with the full set of assumptions:                     y = Xβ + ε ;    ε ~ N , (1)where X is a non-random (n × k) matrix with full column rank.Recall that, under our usual set of assumptions...

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Confidence Regions for Regression Coefficients

September 16, 2012
By
Confidence Regions for Regression Coefficients

Let’s consider the usual linear regression model, with the full set of assumptions:                     y = Xβ + ε ;    ε ~ N , (1)where X is a non-random (n × k) mat...

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Videos on Using R

August 13, 2012
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In this post on his blog some months ago, Ethan Fosse drew attention to Anthony Damico's collection of over 90 videos on using the R software environment.Definitely worth looking at!© 2012, David E. Giles

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Forecasting: Principles and Practice

May 25, 2012
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Forecasting: Principles and Practice is the title of a new book by Rob Hyndman and George Athanasopoulos.As Rob says on his webpage:"The book is dif­fer­ent from other fore­cast­ing text­books in sev­eral ways. It is free and online, mak­ing it acces­si­ble to a wide audience. It is based around the fore­cast pack­age for R. It...

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And the Winner is……

May 16, 2012
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R will overtake SAS and SPSS in 2015 - according to David Smith in his post on the Revolutions blog.I can believe that!© 2012, David E. Giles

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R Videos – and More

May 12, 2012
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Some of us learn easily from the written word, but for most of us some visualization speeds up the process and generally helps with retention as well. With that in mind I was delighted to see this nice list of free videos that demonstrate the use of R, posted on Ethan Fosse's blog, "Culture, Statistics, and...

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A Bayesian Consumption Function

April 27, 2012
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A Bayesian Consumption Function

What the title of this post is supposed to mean is: "Estimating a simple aggregate consumption function using Bayesian regression analysis".In a recent post I mentioned my long-standing interest in Bayesian Econometrics. When I teach this material I usually include a simple application that involves estimating a consumption function using U.S. time-series data. I used to have...

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LeaRning R

April 25, 2012
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If, like me, you're still an R novice, you'll no doubt find this post on Pairach Piboonrungroj's blog extremely helpful. Among other things, Pairach provides links to 20 40 "R tutorials". It's a really nice resource!H.T. to David Smith for posting about this on the Revolutions blog.© 2012, David E. Giles

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Drop-Down Menus for R

April 23, 2012
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A few days ago, Andrew Barr had a great post on his blog. It was titled, "R is not just for nerds....it has drop-down menus!" You can bet that this one caught my eye when it was re-posted on R-Bloggers.Briefly, Andrew takes us through the installation and basic use of the Java Gui for R (JGR) in...

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The Popularity of Statistical Packages

April 15, 2012
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No matter what your favourite statistical package is, you'll find this post by Robert Muenchen highly informative.Robert concludes that:"By most of the measures discussed here, R is competing well with the commercial software vendors. However, I advise not over generalizing from this data. SAS and SPSS continue to dominate the corporate world and Stata is doing quite...

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