1975 search results for "ggplot"

R’s continued growth in academia

April 13, 2012
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R’s continued growth in academia

Bob Muenchen has recently updated his report on the popularity of statistical software. With the updated analysis, we see that the R community remains as strong as ever: the number of contributed R packages continues its exponential growth rate, R maintains its dominance in online discussion, and has 20x the content of other statistics packages on social programming sites...

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US House Prices, Default and Bankruptcy Rates in R

April 13, 2012
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US House Prices, Default and Bankruptcy Rates in R

Some time ago I got inspired by a post on r-bloggers.com, showing the housing bubble in several US cities, nicely done with ggplot. I extended this to incorporate two measures of problems in the consumer credit markets: the percentage of people with a ...

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In case you missed it: March 2012 Roundup

April 12, 2012
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In case you missed them, here are some articles from March of particular interest to R users. New features in the latest version of ggplot2 include choropleths, violin plots, and improved annotations. A video demonstration of big-data Naive Bayes and Classification Tree models with Revolution R Enterprise for IBM Netezza. A collection of two-minute video tutorials for R beginners....

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Statistical Software Popularity on Google Scholar

April 12, 2012
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Statistical Software Popularity on Google Scholar

Background (probably boring) Several months ago, my boss and I were discussing how he got the data for his software popularity article; the rest of the background discussion pertains to those plots, so I would recommend going over to take a look before continuing on (or just skip to the next section if you're impatient).  Specifically, we were talking...

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How to work with Google n-gram data sets in R using MySQL

April 12, 2012
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How to work with Google n-gram data sets in R using MySQL

In this R tutorial you will learn how to work with Google n-gram data sets with the help of MySQL. The complete R code is included in this post.

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Flying: Boredom and Terror

April 11, 2012
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Flying: Boredom and Terror

Data represents all planes (not just commercial planes) for the United States "There are only two emotions on a plane: boredom and terror." -- Orson Welles, interview to celebrate his 70th birthday, The Times of London, 6 May 1985. ...

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The lm() function with categorical predictors

April 8, 2012
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The lm() function with categorical predictors

What's with those estimates?By Ben OgorekIn R, categorical variables can be added to a regression using the lm() function without a hint of extra work. But have you ever look at the resulting estimates and wondered exactly what they were?First, let's define a data set.set.seed(12255)n = 30sigma = 2.0AOV.df <- data.frame(category = c(rep("category1", n)     ...

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An R programmer looks at Julia

April 7, 2012
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In January of this year I first saw mention of the Julia language in the release notes for LLVM. I mentioned this to Dirk Eddelbuettel and later we got in contact with Viral Shahregarding a Debian package for Julia. There are many aspects of Julia tha...

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Simulated Annealing in Julia

April 4, 2012
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Simulated Annealing in Julia

Building Optimization Functions for Julia In hopes of adding enough statistical functionality to Julia to make it usable for my day-to-day modeling projects, I’ve written a very basic implementation of the simulated annealing (SA) algorithm, which I’ve placed in the same JuliaVsR GitHub repository that I used for the code for my previous post about

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Enjoy Low Income Tax Rates

April 4, 2012
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Enjoy Low Income Tax Rates

Tax rates were higher in the past... Joe derisively snorted at the pay stub in his hand. Crumpling it into a ball, he wound up like a baseball pitcher and fast-balled the wad of paper across the room. It bounced unsatisfyi...

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