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Estimating mixed graphical models
By Jonas Haslbeck – r Determining conditional independence relationships through undirected graphical models is a key component in the statistical analysis of complex obervational data in a wide...
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Interactive association rules exploration app
By Andrew Brooks – R In a previous post, I wrote about what I use association rules for and mentioned a Shiny application I developed to explore and visualize rules. This post is about that app. The...
View ArticleRStudio Essentials Webinar Series
By Garrett.Grolemund The RStudio IDE is bursting with capabilities and features. Do you know how to use them all? Tomorrow, we begin an “RStudio Essentials” webinar series. This will be the perfect way...
View ArticleExploring Recursive CTEs with sqldf
By Joseph Rickert by Bob HortonSr. Data Scientist at Microsoft Common table expressions (CTEs, or “WITH clauses”) are a syntactic feature in SQL that makes it easier to write and use subqueries. They...
View ArticleExploring Recursive CTEs with sqldf
By Joseph Rickert by Bob HortonSr. Data Scientist at Microsoft Common table expressions (CTEs, or “WITH clauses”) are a syntactic feature in SQL that makes it easier to write and use subqueries. They...
View ArticleThe Case for a Data Science Lab
By Mark Sellors By Mark Sellors, Technical Architect – Mango Solutions As more and more Data Science moves from individuals working alone, with small data sets on their laptops, to more productionised,...
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Data Science Radar – Programmer Profile
By Mango Blogger by Doug Ashton, Mango Solutions @dougashton Doug Ashton Data Science Radar – Nov 2015 1. Tell us a bit about your background in Data Science. I was a physicist for 10 years where I...
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Hypnotical Fermat
By aschinchon Se le nota en la voz, por dentro es de colores (Si te vas, Extremoduro) This is a gif generated with 25 plots of the Fermat’s spiral, a parabolic curve generated through the next...
View ArticleNotes from Warsaw R meetup
By Markus Gesmann I had the great pleasure time to attend the Warsaw R meetup last Thursday. The organisers Olga Mierzwa and Przemyslaw Biecek had put together an event with a focus on R in Insurance...
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How to Search PubMed with RISmed package in R
By Aaron Gowins In the last tutorial, we developed a simple shiny R App to provide a tool to collect and analyze PubMed data. There was some interest in learning more about RISmed itself, so I’ll back...
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Installing RStudio Shiny Server on AWS
By gluc In this beginner’s level tutorial, you’ll learn how to install Shiny Server on an AWS cloud instance, and how to configure the firewall. It will take just a few minutes! Why? Playing around...
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Retrieving Data from Google Books with `ngramr`
By Daniel (This article was originally published at Daniel, and syndicated at StatsBlogs.) Karl Marx is the most famous founding fathers of modern sociology with a popularity peak in 1975-6, but...
View ArticleRcppCCTZ 0.0.1
By Thinking inside the box A new package! A couple of weeks ago folks at Google released CCTZ: a C++ library for translating between absolute and civil times using the rules of a time zone. It requires...
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RStudio Essentials Webinar Series
By Garrett.Grolemund The RStudio IDE is bursting with capabilities and features. Do you know how to use them all? Tomorrow, we begin an “RStudio Essentials” webinar series. This will be the perfect way...
View ArticleSetting up an Azure Resource Manager virtual machine with RStudio
By Andrie de Vries by Andrie de Vries I am preparing for a demonstration of functionality of R at a conference next week. For maximum impact, I wanted to use a fast virtual machine in Azure. It is...
View ArticleHow to write the first for loop in R
By Martijn Theuwissen In this tutorial we will have a look at how you can write a basic for loop in R. It is aimed at beginners, and if you’re not yet familiar with the basic syntax of the R language...
View ArticleThe Statistician as Data Action Hero
By Joel Cadwell “If our goal as a field is to use data to solve problems, then we need to move away from exclusive dependence on data models and adopt a more diverse set of tools.” Leo Breiman Breiman...
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Inter-relationships in a matrix
By arthur charpentier Last week, I wanted to displaying inter-relationships between data in a matrix. My friend Fleur, from AXA, mentioned an interesting possible application, in car accidents. In car...
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OVA vs. AVA in Classification Problems, via regtools
By matloff OVA and AVA? Huh? These stand for One vs. All and All vs. All, in classification problems with more than 2 classes. To illustrate the idea, I’ll use the UCI Vertebral Column data and Letter...
View Article2015-06 A ‘safemode’ Package for R
By pmur002 The ‘safemode’ package provides a safemode() function that creates a “safe mode” session in R. In “safe mode”, all symbols have an “age” (a last-modified time stamp) and a set of dependent...
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