August 2015

The IQUIT R video series

August 28, 2015 | 0 Comments

I’ve uploaded 20+ R tutorials to YouTube for a new undergraduate course in Ecology and Evolutionary Biology at CU developed by Andrew Martin and Brett Melbourne, which in jocular anticipation was named IQUIT: an introduction to quantitative inference and thinking. We made the videos to address the most common R ... [Read more...]

Legoplots in R (3D barplots in R)

August 28, 2015 | 0 Comments

I previously mentioned these, but I thought about it some more and went ahead and wrote an R implementation.  With very little work you could rejig this code to display all kinds of 3D bar plots; I’ve commented the code thoroughly so it should be easy to follow.  Immediately ... [Read more...]

Ensuring R Generates the Same ANOVA F-values as SPSS

August 27, 2015 | 0 Comments

When switching to R from SPSS a common concern among psychology researchers is that R gives the "correct" ANOVA F-values. By "correct" they simply mean F-values that match those generated by SPSS. Because ANOVA F-values in R do not match those in SPSS by default it often appears that R ...
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Ensuring R Generates the Same ANOVA F-values as SPSS

August 27, 2015 | 0 Comments

When switching to R from SPSS a common concern among psychology researchers is that R gives the "correct" ANOVA F-values. By "correct" they simply mean F-values that match those generated by SPSS. Because ANOVA F-values in R do not match those in SPSS by default it often appears that R ... [Read more...]

Plotting Time Series in R using Yahoo Finance data

August 27, 2015 | 0 Comments

by Joseph Rickert I recently rediscovered the Timely Portfolio post on R Financial Time Series Plotting. If you are not familiar with this gem, it is well-worth the time to stop and have a look at it now. Not only does it contain some useful examples of time series plots ... [Read more...]

New release: Choroplethr v3.2.0

August 27, 2015 | 0 Comments

Today I am happy to announce that a new version of choroplethr, v3.2.0, is now available. You can get it by typing the following from an R console: install.packages("choroplethr") Note that it sometimes takes a few days for new packages to get copied to each CRAN mirror. If ...
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Coloring (and Drawing) Outside the Lines in ggplot

August 27, 2015 | 0 Comments

Time for another Twitter-inspired blog post this week, this time from a tweet by @JonKalodimos: Is there a way to do this in #rstats #ggplot2 https://t.co/kxWQFlYpbB— Jonathan Kalodimos (@JonKalodimos) August 27, 2015 I had seen and appreciated Ann’s post on her makeover of the main graphic in NPR’...
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Measuring business health with Delta LifeCycle Grids and R

August 27, 2015 | 0 Comments

We will study how to use LifeCycle Grids concept for measuring a health of the business via Delta Analysis technicThere are several posts connected with LifeCycle Grids on this blog. If you are not familiar with the concept I highly recommend you to start with Jim Novo’s book, his ...
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Measuring business health with Delta LifeCycle Grids and R

August 27, 2015 | 0 Comments

There are several posts connected with LifeCycle Grids on this blog. If you are not familiar with the concept I highly recommend you to start with Jim Novo’s book, his blog or, at least, from the first post about on my blog. We will study how to use LifeCycle ...
[Read more...]

Spatio-Temporal Kriging in R

August 27, 2015 | 0 Comments

PrefaceI am writing this post more for reminding to myself some theoretical background and the steps needed to perform spatio-temporal kriging in gstat. This month I had some free time to spend on small projects not specifically related to my primary occupation. I decided to spend some time trying to ... [Read more...]

Spatio-Temporal Kriging in R

August 27, 2015 | 0 Comments

PrefaceI am writing this post more for reminding to myself some theoretical background and the steps needed to perform spatio-temporal kriging in gstat. This month I had some free time to spend on small projects not specifically related to my primary occupation. I decided to spend some time trying to ... [Read more...]

abcfr 0.9-3

August 26, 2015 | 0 Comments

In conjunction with our reliable ABC model choice via random forest paper, about to be resubmitted to Bioinformatics, we have contributed an R package called abcrf that produces a most likely model and its posterior probability out of an ABC reference table. In conjunction with the realisation that we could ...
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R packages with unlimited licenses

August 26, 2015 | 0 Comments

I had an interesting email today saying that developers at the writer’s company wanted to use one of my packages, but weren’t allowed because it was under an unlimited license. I release quite a few of my packages under an unlimited licence, at least for toy projects and ... [Read more...]

Reading SPSS Data into R with Haven

August 26, 2015 | 0 Comments

When psychology researchers switch from SPSS to R a common first question is "Can I load SPSS data in R?". The answer is yes, and it's now easier than ever thanks to the Haven package which both reads and writes SPSS files. Previously, you might have used the foreign library ... [Read more...]

Reading SPSS Data into R with Haven

August 26, 2015 | 0 Comments

When psychology researchers switch from SPSS to R a common first question is "Can I load SPSS data in R?". The answer is yes, and it's now easier than ever thanks to the Haven package which both reads and writes SPSS files. Previously, you might have used the foreign library ... [Read more...]

New R titles available in Chinese

August 26, 2015 | 0 Comments

by Andrie de Vries A few days ago I received an unexpected parcel in my letterbox. To my delight, it turned out to be a translation into Simplified Chinese of R for Dummies, co-authored by myself and Joris Meys. Let me clarify: Joris and I wrote the book, but were ... [Read more...]

ManchesterR Meetup in August 2015

August 26, 2015 | 0 Comments

The quarterly Manchester R meeting took place last night.  It was our first experience of the striking new HOME venue just past Oxford Road station.  The Cornerhouse team have exchanged the bohemian charm of the old venue for the light … Continue reading → [Read more...]

RProtoBuf 0.4.3

August 25, 2015 | 0 Comments

A new maintenance release 0.4.3 of RProtoBuf is now on CRAN. RProtoBuf provides R bindings for the Google Protocol Buffers ("Protobuf") data encoding library used and released by Google, and deployed as a language and operating-system agnostic protocol by numerous projects. This release comes upon the request of CRAN and adds ... [Read more...]
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