R

Blogs on the R software.

One-way ANOVA with fixed and random effects from a Bayesian perspective

December 22, 2014
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One-way ANOVA with fixed and random effects from a Bayesian perspective

This blog post is derived from a computer practical session that I ran as part of my new course on Statistics for Big Data, previously discussed. This course covered a lot of material very quickly. In particular, I deferred introducing notions of hierarchical modelling until the Bayesian part of the course, where I feel it […]

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Merry Christmas

December 21, 2014
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Merry Christmas

Based on The DO loop, since I wanted a fractal Christmas tree and there is no point in inventing what has been made already. Besides, this is not the first time this year that I used R to do what has been done in SAS.Code# http://blogs.sas.com/content/...

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Notes from the Kölner R meeting, 12 December 2014

December 16, 2014
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Notes from the Kölner R meeting, 12 December 2014

Last week's Cologne R user group meeting was the best attended so far, and it was a remarkable event - I believe not a single line of R code was shown. Still, it was an R user group meeting with two excellent talks, and you will understand shortly why ...

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Learning R: Live Webinar, Interactive Self-Paced, or Site Visit?

December 15, 2014
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Learning R: Live Webinar, Interactive Self-Paced, or Site Visit?

My recent blog post, Why R is Hard to Learn, must have hit a nerve as it was read by over 6,000 people in its first two days online.  If you’re using R to augment your work in SAS, SPSS … Continue reading →

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Monthly Weather in Netherlands

December 14, 2014
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Monthly Weather in Netherlands

When I downloaded the KNMI meteorological data, the intention was to do something which takes more than just the computers memory. While it is clearly not big data, at the very least 100 years of daily data is not small either. So I took along a load o...

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Updated: Why R is Hard to Learn

December 10, 2014
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Updated: Why R is Hard to Learn

I’ve updated one of my most widely read blog posts, Why R is Hard to Learn. It focuses on the aspects of R which tend to trip up beginners. The new version is over twice as long as the original … Continue reading →

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Recordings of RStudio Webinar Series on Essential Tools for Data Science with R

December 9, 2014
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Recordings of RStudio Webinar Series on Essential Tools for Data Science with R

by Yanchang Zhao, RDataMining.com RStudio recently ran a series of live webinars on Essential Tools for Data Science with R, but it is inconvenient for people from other time zones to attend. Fortunately, the recordings have been made available online, … Continue reading →

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Next Kölner R User Meeting: Friday, 12 December 2014

December 9, 2014
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Next Kölner R User Meeting: Friday, 12 December 2014

The next Cologne R user group meeting is scheduled for this Friday, 12 December 2014.We have an exciting agenda with two talks on Julia and Dynamic Linear Models:Introduction to Julia for R UsersHans Werner BorchersJulia is a high-performance dynamic p...

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amazonish thanks (& repeated warning)

December 8, 2014
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amazonish thanks (& repeated warning)

As in previous years, at about this time, I want to (re)warn unaware ‘Og readers that all links to Amazon.com and more rarely to Amazon.fr found on this blog are actually susceptible to earn me an advertising percentage if a purchase is made by the reader in the 24 hours following the entry on Amazon […]

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Risk as a “Survival Variable”

December 8, 2014
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Risk as a “Survival Variable”

I come across a lot of strategies on the blogosphere some are interesting some are a complete waste of time but most share a common feature: people developing those strategies do their homework in term of analyzing the return but much less attention is paid to the risk side its random nature. I’ve seen comment like “a […]

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