2956 search results for "ggplot"

Using R to Analyze Yahoo Fantasy Football Data

December 6, 2013
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Using R to Analyze Yahoo Fantasy Football Data

I recently created a gist that demonstrated how to authenticate with the Yahoo API, using the httr package. In this post, I will expand on this a little to downloading personal Yahoo fantasy football data and creating a graph showing my regular season ...

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Conditional densities, on one single graph

December 5, 2013
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Conditional densities, on one single graph

With Stéphane Tufféry we’ve been working on credit scoring1 and we’ve been using the popular german credit dataset, > myVariableNames <- c("checking_status","duration","credit_history", + "purpose","credit_amount","savings","employment","installment_rate", + "personal_status","other_parties","residence_since","property_magnitude", + "age","other_payment_plans","housing","existing_credits","job", + "num_dependents","telephone","foreign_worker","class") > credit = read.table( + "http://archive.ics.uci.edu/ml/machine-learning-databases/statlog/german/german.data", + header=FALSE,col.names=myVariableNames) > credit$class <- credit$class-1 We wanted to get a nice code to produce a graph like the one below, Yesterday, Stéphane...

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24 Days of R: Day 4

December 4, 2013
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24 Days of R: Day 4

So my first attempt to sort out the career of Michael Caine via parsing of HTML data was a wash. I'm going to try this again, using Wikipedia. They've got a nice, easy list of his films in an HTML table. Reading an HTML table into R is incredibly easy. The XML library has a

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24 Days of R: Day 3

December 3, 2013
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24 Days of R: Day 3

This is the post where we begin to talk about Michael Caine. There's no strong reason for this. It's not as though I have a great fascination with him. Don't get me wrong, I think he's a fine actor. Michael Caine happened to cross my mind a couple weeks ago when I was listening to

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Tutorials from the IV Jornadas de usuarios de R.

December 1, 2013
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Tutorials from the IV Jornadas de usuarios de R.

The “IV Jornadas de usuarios de R”  were held in Barcelona on November 15th and 16th of 2012. From the Barcelona’s Users Group (RugBcn) we want to highlight two workshops given by some of the RugBcn’s organizers : Ggplot2 and ggmaps by Lluís Ramon, Andreu Valls and Roger Borràs (in spanish). Introduction to reference classes by Aleix

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More Explorations with catR

December 1, 2013
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More Explorations with catR

# For the purposes of simulating computerized adaptive tests# the R package catR is unparallelled. # catR is an excellent tool for students who are curious about# how a computerized adaptive test might work. It is also useful# for testing companie...

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R Syntax for Ranked Choice Voting

November 30, 2013
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I have gotten several requests for the R syntax I used to analyze the ranked-choice voting data and create the animated GIF. Rather than just posting the syntax, I thought I might write a detailed post describing the process. Reading … Continue reading →

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Introducing CrimeMap – A Web App Powered by ShinyApps!

November 29, 2013
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Introducing CrimeMap – A Web App Powered by ShinyApps!

A few months ago I did a mini project using open crime data and R to create crime visualisations. At that time, I was already thinking about a web app using Shiny but I couldn't justify the time to develop the app and then set up a server etc. Not unti...

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Analyzing baseball data with R

November 27, 2013
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Analyzing baseball data with R

This week, the post is an interview with Max Marchi. Max is the author, with Jim Albert, of the book "Analyzing baseball data with R". Hi, Max. Welcome back to MilanoR. Last time you wrote for us a series of … Continue reading →

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Mapping Power Outages In Maine With R

November 27, 2013
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Mapping Power Outages In Maine With R

UPDATE: A Shiny (dynamic) version of this is now available. We had yet-another power outage this morning due to the weird weather patterns of the week and it was the final catalyst I needed to crank out some R code to map the affected counties. Central Maine Power provides an outage portal where folks can

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