1001 search results for "rstudio"

R Credit Scoring – WoE & Information Value in woe Package

July 23, 2013
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R Credit Scoring – WoE & Information Value in woe Package

In credit scoring, Information Value (IV) is frequently used to compare predictive power among variables. When developing new scorecards using logistic regression, variables are often binned and recoded using WoE concept. Package riv will help you to a...

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A Beginner’s Look at Julia

July 23, 2013
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Over the past month or so, I’ve been playing with a new scientific programming language called ‘Julia‘, which aims to be a high-level language with performance approaching that of C. With that goal in mind, Julia could be a replacement for the ‘multi-language’ problem of needing to move between R, Python, MATLAB, C, Fortran, Scala, A Beginner’s Look...

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The R User Conference 2013: Albacete, Spain

July 23, 2013
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The R User Conference 2013: Albacete, Spain

I was fortunate enough to attend the 2013 UseR! conference in Albacete, Spain this year. I had a great time meeting fellow R users and exchanging ideas on R implementations. The conference is also one of the few opportunities to gain exposure to uses of R in other disciplines because there are so many talks

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How to run R in the cloud (for teaching)

July 23, 2013
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How to run R in the cloud (for teaching)

Last week, we launched the early stage beta version of our interactive online learning platform for R: DataMind.org. The development of this educational platform required the creation of a new IT infrastructure able to run R in the cloud. In this post, we share our approach and insights on the design of such an application and hope

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Generating Sankey Diagrams from rCharts

July 23, 2013
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Generating Sankey Diagrams from rCharts

A couple of weeks or so ago, I picked up an inlink from an OCLC blog post about Visualizing Network Flows: Library Inter-lending. The post made use of Sankey diagrams to represent borrowing flows, and by implication suggested that the creation of such diagrams is not as easy as it could be… Around the same

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Bike sharing in 100 cities

July 22, 2013
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Bike sharing in 100 cities

Many cities around the world have bike sharing programs: pick up a bike at a docking station, ride it across town and drop it off at another session, and just pay for the time you use. (Even Albacete, the Spanish college down hosting last month's UseR conference, had one.) Most of these systems provide open data feeds of bike...

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More goodies from rCharts

July 22, 2013
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More goodies from rCharts

The guys developing rCharts continue to release enhancements by the day and I have taken advantage to update a couple of Shiny apps The CRAN download app now sports the new exporter feature so that any chart a user comes up with can be saved as a SVG vector, PNG or JPEG image or as

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Analyzing Your Data on the AWS Cloud (with R)

July 22, 2013
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Analyzing Your Data on the AWS Cloud (with R)

Guest post by Jonathan Rosenblatt Disclaimer: This post is not intended to be a comprehensive review, but more of a “getting started guide”. If I did not mention an important tool or package I apologize, and invite readers to contribute in the comments. …Read more »

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My first Bioconductor conference (2013)

July 21, 2013
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My first Bioconductor conference (2013)

The BioC 2013 conference was held from July 17 to 19. I attended this conference for my first time, mainly because I'm working at the Fred Hutchinson Cancer Research Center this summer, and the conference venue was just downstairs! No flights, no hotel...

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Modeling Match Results in La Liga Using a Hierarchical Bayesian Poisson Model: Part one.

July 21, 2013
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Modeling Match Results in La Liga Using a Hierarchical Bayesian Poisson Model: Part one.

This is a slightly modified version of my submission to the UseR 2013 Data Analysis Contest which I had the fortune of winning :) The purpose of the contest was to do something interesting with a dataset consisting of the match results from the last five seasons of La Liga, the premium Spanish football (aka soccer) league. In...

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