# 3247 search results for "git"

## New version of devtools: 0.8

September 16, 2012
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We’re pleased to announce a new version of devtools, the package that makes R package development easy. The main features in this version are: A complete rewrite of the code loading system which simulates namespace loading much more accurately – this means using load_all is much closer to installing and loading the package. It also

## World Cup 2006 First Goal R Analysis

September 16, 2012
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Quite a while ago my amazing wife asked me if it was possible to find the time of the first goal for the 2006 FIFA World Cup matches.  I was using R at the time and thought it was possible.  Here are the scripts I wrote to scrape the info fro...

## California High School Graduation and Dropout Rates

September 16, 2012
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AbstractThe California Deparment of Education recently (June 2012) had a news release on the increase in high school (grades 9-12) graduation rates and decrease in dropout rates. The data used by the Department was from two cohorts (4-year periods) o...

## project-euler–problem 65

September 16, 2012
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The square root of 2 can be written as an infinite continued fraction.$$\sqrt{2} = 1+\frac{1}{2+\frac{1}{2+\frac{1}{2+\frac{1}{2+?}}}}$$ \sqrt{2} = 1+\frac{1}{2+\frac{1}{2+\frac{1}{2+\frac{1}{2+?}}}}The infinite continued fraction can be written, √2 = , (2) indicates that 2 repeats ad infinitum. In a similar way, √23 = .Read More: 1030 Words Totally

September 15, 2012
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So tonight I wanted to download all my Facebook pictures. For some reason the zip file was corrupted each of the 3 times I downloaded, so I remembered that some time ago I was playing around with an R project named Facebook Data-Mining. The project is conveniently located at github and you can access it here. Looking ...read more

## Slightly-more-than-basic sentiment analysis

September 14, 2012
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I became interested in sentiment analysis a few months ago as a matter of pure practicality. The company I work for does a lot of customer-satisfaction surveys. Respondents rate various aspects of our products, but they also have the opportunity to answer a bunch of open-ended questions in their own voices. That kind of information

## Visualize complex data with subplots

September 14, 2012
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Today's guest post comes from Garrett Grolemund, a software developer at RStudio — ed. I think of graphs as a type of visual summary for data. Yet I rarely see graphs used this way within visualizations. Consider tile plots. They group data into 2d bins and then summarize each group with a number. This approach is a go-to tool...

## Simulation metamodeling with constraints

September 14, 2012
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Last week I have posted about using simulation metamodeling to verify results of analytical solution of the model. After posting it I realized that the solution presented there can be improved by using knowledge of simulation model struc...

## Mapping Bike Accidents in R

September 14, 2012
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At last weekend’s Hack Ta Ville event here in Montreal, I joined up with some talented urban planners and web devs to realize Vélobstacles. The idea of the project is to crowd source information on cycling conditions around the city. As with any crowd sourcing project, we were faced with the problem of seeding the