Looking after Datasets

September 1, 2015
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Looking after Datasets

by Antony Unwin University of Augsburg, Germany David Moore's definition of data: numbers that have been given a context. Here is some context for the finch dataset: Fig 1: Illustrations of the beaks of four of Darwin's finches from "The Voyage of the Beagle". Note that only one of these (fortis) is included in the dataset. R's package system...

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Learning Italian with rvest and Duolingo

September 1, 2015
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Learning Italian with rvest and Duolingo

  By Aimee Gott,  R Consultant, Mango Solutions Over the last month I have found multiple reasons for needing to scrape web pages for information. This started out with...

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Reasons to Learn R

September 1, 2015
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Reasons to Learn R

A new blog post over at Pluralsight describes reasons R has been generating a great deal of interest in recent days:  http://blog.pluralsight.com/r-programming-language.

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Bayesian regression models using Stan in R

September 1, 2015
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Bayesian regression models using Stan in R

It seems the summer is coming to end in London, so I shall take a final look at my ice cream data that I have been playing around with...

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About to teach Statistical Graphics and Visualization course at CMU

August 31, 2015
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About to teach Statistical Graphics and Visualization course at CMU

I’m pretty excited for tomorrow: I’ll begin teaching the Fall 2015 offering of 36-721, Statistical Graphics and Visualization. This is a half-semester course designed primarily for students in our...

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likelihood-free inference in high-dimensional models

August 31, 2015
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likelihood-free inference in high-dimensional models

“…for a general linear model (GLM), a single linear function is a sufficient statistic for each associated parameter…” The recently arXived paper “Likelihood-free inference in high-dimensional models“, by Kousathanas...

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Revolution R Enterprise Now Available in the Cloud on Azure Marketplace

August 31, 2015
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by Richard Kittler, Revolution R Enterprise PM, Microsoft Advanced Analytics Revolution is excited to announce the availability of its latest release of Revolution R Enterprise 7.4.1 (RRE) as a...

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Two little annoying stats detail

August 31, 2015
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Two little annoying stats detail

A very brief post at the end of the field season on two little “details” that are annoying me in paper/analysis that I see being done (sometimes) around me....

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16 new R jobs (from R-users.com ; 2015-08-31)

August 31, 2015
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16 new R jobs (from R-users.com ; 2015-08-31)

This is the bimonthly post (for 2015-08-31) for new R Jobs from R-users.com. Employers: you may visit this link to post a new R job to the R community (it’s free and quick). Job seekers: please follow the links below...

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embeding a subplot in ggplot via subview

August 30, 2015
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embeding a subplot in ggplot via subview

I implemented a function, subview, in ggtree that make it easy to embed a subplot in ggplot. An example is shown below: Read more »

Visualizing Twitter history with streamgraphs in R

August 30, 2015
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I was exploring ways to visualize my Twitter history, and ended up creating this interactive streamgraph of my 20 most used hashtags in Twitter: The graph shows how my...

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GEOSTAT 2015: a write-up

August 30, 2015
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GEOSTAT 2015: a write-up

The week before last I attended the GEOSTAT summer school in Lancaster. GEOSTAT is an annual week-long meeting devoted to ‘geostatistics’ (or ‘spatial statistics’ - we’ll come on...

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RcppGSL 0.3.0

August 30, 2015
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A new version of RcppGSL just arrived on CRAN. The RcppGSL package provides an interface from R to the GNU GSL using our

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“A 99% TVaR is generally a 99.6% VaR”

August 29, 2015
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“A 99% TVaR is generally a 99.6% VaR”

Almost 6 years ago, I posted a brief comment on a sentence I found surprising, by that time, discovered in a report claiming that the expected shortfall  at the 99 % level corresponds...

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Building Wordclouds in R

August 28, 2015
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Building Wordclouds in R

In this article, I will show you how to use text data to build word clouds in R. We will use a dataset containing around 200k Jeopardy questions. The...

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Bio7 2.3 Released!

August 28, 2015
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Bio7 2.3 Released!

28.08.2015 As a result of the useR conference 2015 with fantastic workshops and presentations where I also presented my software I released a new version of Bio7 with many...

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Get to know Cortana Analytics: Workshop and webinars

August 28, 2015
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Get to know Cortana Analytics: Workshop and webinars

Cortana Analytics Suite is Microsoft's cloud-based big data and advanced analytics suite. It includes a complete set of all the services need to build advanced analytics applications: from data...

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The IQUIT R video series

August 28, 2015
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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...

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Legoplots in R (3D barplots in R)

August 28, 2015
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Legoplots in R (3D barplots in R)

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...

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Plotting Time Series in R using Yahoo Finance data

August 27, 2015
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Plotting Time Series in R using Yahoo Finance data

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...

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New release: Choroplethr v3.2.0

August 27, 2015
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New release: Choroplethr v3.2.0

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")...

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Coloring (and Drawing) Outside the Lines in ggplot

August 27, 2015
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Coloring (and Drawing) Outside the Lines in ggplot

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)...

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Measuring business health with Delta LifeCycle Grids and R

August 27, 2015
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Measuring business health with Delta LifeCycle Grids and R

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,...

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Spatio-Temporal Kriging in R

August 27, 2015
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Spatio-Temporal Kriging in R

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...

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abcfr 0.9-3

August 26, 2015
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abcfr 0.9-3

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...

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R packages with unlimited licenses

August 26, 2015
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R packages with unlimited licenses

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...

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New R titles available in Chinese

August 26, 2015
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New R titles available in Chinese

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...

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ManchesterR Meetup in August 2015

August 26, 2015
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ManchesterR Meetup in August 2015

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...

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RProtoBuf 0.4.3

August 25, 2015
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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...

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