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Monthly archives for October, 2015

Machine Learning Algorithms

24 October 2015 Written by Graham Williams
Machine Learning Algorithms

Here’s a quite succinct yet comprehensive summary of machine learning algorithms produced by Jason Brownlee of Machine Learning Mastery. It includes a visual of the algorithms — though it does have a bit of a flavour of phishing for email addresses which is needed to download the graphic. The one below can be found without […]

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Tools of Choice for Data Science

13 October 2015 Written by Graham Williams
Tools of Choice for Data Science

A summary of the annual survey of tools and attitudes around data science conducted by Karl Rexer was released at Predictive Analytics World in Boston recently. The full report is expected to be available on RexerAnalytics.com in the next couple of months. For primary tool usage: #1 — 36.2% — R #2 —   7.0% […]

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R Visual Analytics using raptR

12 October 2015 Written by Graham Williams
R Visual Analytics using raptR

I saw a demo of a package for Rapid and Pretty Things in R earlier in the year when it was a work in progress. It is now live on GitHub (but not yet CRAN). It allows you to very quickly visualise data in R using a Shiny GUI to generate ggplot2 underneath. A nice […]

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R + Shiny + Leaflet + bicycle acciden...

11 October 2015 Written by Graham Williams
R + Shiny + Leaflet + bicycle accidents + Open Street Map

This is a nice example of the power of multiple APIs working together to deliver a solution. The app uses R’s Shiny to control a map built using the open source JavaScript Leaflet based on public data displaying map tiles generated by  Stamen Design on Open Street Map data. Thanks to colleague and R guru […]

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Rattle and WebFOCUS RStat from Inform...

4 October 2015 Written by Graham Williams
Rattle and WebFOCUS RStat from Information Builders

I’ve had a few enquiries lately on the relationship between Rattle and the WebFOCUS predictive analytics component called RStat from Information Builders (WebFOCUS is their widely used Business Intelligence suite). I even had an approach recently from an Australian company offering to provide a demonstration of RStat to see if it might be something we […]

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