January 2016

Formal informal testing of research code

January 29, 2016 | philmikejones

When writing research code I do test my code and results, but until recently I’ve only been doing this informally and not in any systematic way. I decided it was time to change my testing habits when I noticed I had recoded a variable incorrectly despite my informal tests ... [Read more...]

Cricket analytics with cricketr!!!

January 29, 2016 | Tinniam V Ganesh

My ebook “Cricket analytics with cricketr’  has been published in Leanpub.  You can now download the book (hot off the press!)  for all formats to your favorite device (mobile, iPad, tablet, Kindle)  from the link  “Cricket analytics with cricketr”. The book has been published in the following formats namely PDF (...
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Obama 2008 received 3x more media coverage than Sanders 2016

January 28, 2016 | Francis Smart

Many supporters of presidential hopeful Bernie Sanders have claimed that there is a media blackout in which Bernie Sanders has been for whatever reason blocked from communicating his campaign message. Combined with a dramatically cut democratic debate scheme (from 18 in 2008 with Obama to 4 in 2016 with Sanders) scheduled on days of ... [Read more...]

Obama 2008 recieved 3x more media coverage than Sanders 2016

January 28, 2016 | Francis Smart

Many supporters of presidential hopeful Bernie Sanders have claimed that there is a media blackout in which Bernie Sanders has been for whatever reason blocked from communicating his campaign message. Combined with a dramatically cut democratic debate scheme (from 18 in 2008 with Obama to 4 in 2016 with Sanders) scheduled on days of ... [Read more...]

Adding basemap.at tiles to an R leaflet plot

January 28, 2016 | Verena

Recently I wanted to visualise some data in a map of Austria. R Leaflet provides a pretty good looking map by default (openstreetmap.org) but I wanted to use basemap.at, which is a map for Austria and therefore probably the most accurate map available for Austria. Actually it is ...
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This is just a test page for forecastersblog.org

January 28, 2016 | Ivan Svetunkov

This is just a test page for forecastersblog.org. Ignore it, please. es() allows selecting between AIC (Akaike Information Criterion), AICc (Akaike Information Criterion corrected) and BIC (Bayesian Information Criterion, also known as Schwarz IC). The very basic information criterion is AIC. It is calculated for a chosen model using ... [Read more...]

R User Groups on GitHub

January 28, 2016 | Joseph Rickert

by Joseph Rickert Quite a few times over the past few years I have highlighted presentations posted by R user groups on their websites and recommended these sites as a source for interesting material, but I have never thought to see what the user groups were doing on GitHub. As ... [Read more...]

A Million Text Files And A Single Laptop

January 28, 2016 | Randy Zwitch

More often that I would like, I receive datasets where the data has only been partially cleaned, such as the picture on the right: hundreds, thousands…even millions of tiny files. Usually when this happens, the data all have the same format (such as having being generated by sensors or ... [Read more...]

Adelaide Traffic – Part I

January 28, 2016 | Jonathan Carroll

Have you seen the little shark-fins on top of some traffic light control boxes? Have you seen the new 'x minutes to y road' signs? Did you know they're connected? DPTI installed a heap of bluetooth sensors around Adelaide and...Continue Reading →
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A Million Text Files And A Single Laptop

January 28, 2016 | randyzwitch.com

More often that I would like, I receive datasets where the data has only been partially cleaned, such as the picture on the right: hundreds, thousands…even millions of tiny files. Usually when this happens, the data all have the same format (such ... [Read more...]

love-hate Metropolis algorithm

January 27, 2016 | xi'an

Hyungsuk Tak, Xiao-Li Meng and David van Dyk just arXived a paper on a multiple choice proposal in Metropolis-Hastings algorithms towards dealing with multimodal targets. Called “A repulsive-attractive Metropolis algorithm for multimodality” [although I wonder why XXL did not jump at the opportunity to use the “love-hate” denomination!]. The proposal ...
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Materials for NYU Shortcourse “Data Science and Social Science”

January 27, 2016 | Alex

Pablo Barberá, Dan Cervone, and I prepared a short course at New York University on Data Science and Social Science, sponsored by several institutes at NYU. The course was intended as an introduction to R and basic data science tasks, including data visualization, social network analysis, textual analysis, web scraping, ... [Read more...]
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