Following the previous post on Rasmus’ socks, I took the opportunity of a survey on ABC I am currently completing to compare the outcome of his R code with my analytical derivation. After one quick correction [by Rasmus] of a wrong representation of the Negative Binomial mean-variance parametrisation [by me], ... [Read more...]

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A new release of BH, our package providing Boost headers for use by R is now on CRAN. This release was triggered via a request by Ben Goodrich as noted below who asked for Boost Circular Buffer which RStan uses. No other changes were made. Changes ... [Read more...]

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And I had to do it again: I am using R installed from homebrew, and after the upgrade from Mavericks to Yosemite, I had to re-install all packages – or was it a GCC upgrade? I don’t know – but I had to do it again. I still had the link ... [Read more...]

Why open data growth At rOpenSci we try to make it easier for people to use open data and contribute open data to the community. The question often arises: How much open data do we have? Another angle on this topic is: How much is open data growing? We provide ... [Read more...]

Introduction Solar altitude is a function of time, longitude and latitude, and so it can be possible to infer location based on measuring altitude as a function of time. This form of solar navigation can be based on sunrise and sunset times, at least on non-equinox days. I have explored ... [Read more...]

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According to the most recent TIOBE index, R is the #12 most popular programming language. [Read more...]

Using Markdown and Pandoc for PublicationThe other day I was involved in editing job, in which I was supposed to edit 18 articles written in Microsoft Word (doc/docx format) and convert them into pdf format (for printing into a book) and html format (for web publishing). Manuscripts written by people ... [Read more...]

There are a number of on line efforts to register victims of shootings online. Shootingtracker tries to register all mass shootings, those with four or more victims. Slate had the gun death tally (GDT), gun deaths starting at Newtown, running thro... [Read more...]

Quantifying spatial data (e.g. land cover) around points can be done in a variety of ways, some of which require considerable amounts of patience, clicking around, and/or cash for a license. Here’s a bit of code that I cobbled together to quickly extract land cover data from ... [Read more...]

by Yanchang Zhao, RDataMining.com “Data is becoming a powerful and most valuable commodity in 21st century. It is leading to scientific insights and new ways of understanding human behaviour. Data can also make you rich. Very rich.” — SBS documentary … Continue reading → [Read more...]

I was reading this interesting post about how to build a multi-lingual Shiny app. I’m also building a multi-lingual Shiny app and came up with slightly different take on it. First, I don’t use a function for finding the translation, … Continue reading → [Read more...]

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Data from Zacks Research have just been made available on Quandl. Registered Quandl users have free preview access to these data, which cover the following: Earnings Estimates: forward-looking consensus forecasts; Earnings Surprises: estimated future and actual historical earnings; Earnings Announcements: predictions for earnings announcement dates, parameters, and supplementary data; Sales ... [Read more...]

This is the bimonthly R Jobs post (for 2014-11-07), based on the R-bloggers’ sister website: R-users.com. If you are an employer who is looking to hire people from the [Read more...]

On Wednesday next week, I'll be presenting a live webinar to introduce Revolution R Open and several other open source projects from Revolution Analytics. In the webinar I'll describe: The enhancements included in Revolution R Open The Reproducible R Toolkit and the checkpoint package How to call R from other ... [Read more...]