Monthly Archives: December 2015

The R-Podcast Episode 15: Introduction to Shiny

December 31, 2015
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Just in time for the new year is a new episode of the R-Podcast! I give a brief introduction to the Shiny package for creating web applications using R code, provide some of my tips and tricks I have learned (sometimes the hard way) when creating appl...

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The R Project: 2015 in Review

December 31, 2015
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It's been a banner year for the R project in 2015, with frequent new releases, ever-growing popularity, a flourishing ecosystem, and accolades from both users and press. Here's a roundup of the big events for R from 2015. R continues to advance under the new leadership of the R Foundation. There were five updates in 2015: R 3.1.3 in...

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Wind Resource Assessment

December 31, 2015
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This is an article we recently published on "Renewable and Sustainable Energy Reviews". It starts with a thorough review of the methods used for wind resource assessment: from algorithms based on physical laws to other based on statistics, plus mixed methods.In the second part of the manuscript we present a method for wind resource assessment based on the application...

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7 new R jobs from around the world (2015-12-31)

December 31, 2015
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7 new R jobs from around the world (2015-12-31)

This is the bi-monthly R-bloggers post (for 2015-12-31) for new R Jobs. To post your R job on the next post Just visit this link and post a new R job to the R community (it’s free and quick). New R jobs Part-Time Content Development Intern ($20/hour) @ Cambridge, Massachusetts, U.S. DataCamp – Posted by nickc123 Cambridge Massachusetts, United States 22 Dec2015 Full-Time Data Scientist @ Billerica,...

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List exercises

December 31, 2015
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In the exercises below we cover the basics of lists. Before proceeding, first read section 6.1-6.2 of An Introduction to R, and the help pages for the sum, length, strsplit, and setdiff functions. Answers to the exercises are available here. Exercise 1...

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RcmdrPlugin.KMggplot2_0.2-3 now on CRAN

December 30, 2015
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RcmdrPlugin.KMggplot2_0.2-3 now on CRAN

New version (v0.2-3) of 'RcmdrPlugin.KMggplot2' (an Rcmdr plug-in; a GUI for 'ggplot2') released. RcmdrPlugin.KMggplot2 (CRAN) NEWS Changes in version 0.2-3 (2015-12-30) New geom_stepribbon(). Pointwise confidence intervals of Kaplan-Meier plots with band (Thanks to Dr. M. Felix Freshwater). Notched…

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[R-bloggers]RcmdrPlugin.KMggplot2_0.2-3 now on CRAN

December 30, 2015
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[R-bloggers]RcmdrPlugin.KMggplot2_0.2-3 now on CRAN

New version (v0.2-3) of ’RcmdrPlugin.KMggplot2’ (an Rcmdr plug-in; a GUI for ’ggplot2’) released. RcmdrPlugin.KMggplot2 (CRAN) NEWS Changes in version 0.2-3 (2015-12-30) New geom_stepribbon(). Pointwise confidence intervals of Kaplan-Meier plots with ban

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Using R to analyse MAN AHL Trend

December 30, 2015
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Using R to analyse MAN AHL Trend

Let's use the great PerformanceAnalytics package to get some insights on the risk profile of the MAN AHL Trend Fund. It's a program with a long track record - I believe in the late 80'. The UCITS Fund NAV Data can be downloaded from the fund webpage as...

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Image Recognition and Face Detection

December 30, 2015
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Image Recognition and Face Detection

Image recognition and face detection has been around for some years. However, usage and adoption was limited due to quality and ease of development. With the release of Microsoft’s Project Oxford, the accessibility to such tools has massively improved. Their simple to use REST API provides an excellent opportunity for the average developer to augment their apps with...

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bayes.js: A Small Library for Doing MCMC in the Browser

December 30, 2015
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Bayesian data analysis is cool, Markov chain Monte Carlo is the cool technique that makes Bayesian data analysis possible, and wouldn’t it be coolness if you could do all of this in the browser? That was what I thought, at least, and I’ve now made bayes.js: A small JavaScript library that implements an adaptive MCMC sampler and a...

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