# 3869 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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Abstract The 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

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

## 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...