Blog Archives

Download and plot Google Trends data with R

December 9, 2015
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Download and plot Google Trends data with R

Google Trends is a useful way to compare changes in popularity of certain search terms over time, and Google Trends data can be used as a proxy for all sorts of difficult-to-measure quantities like economic activity and disease propagation. If you'd like to use Google Trends data in your own analyses, the gtrendsR package for R is now available...

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Document your hike with interactive leaflets and R

December 7, 2015
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Document your hike with interactive leaflets and R

Maarten Hermans is a sociologist and researcher at KU Leuven in Belgium and an avid hiker. He uses an Android app to track his location and elevation on his hikes, which means he can download his hike data in GPS Exchange Format. With this data and a few R packages, he was then able to create interactive topological maps...

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Microsoft’s new Data Science Virtual Machine

December 4, 2015
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Earlier this week, Andrie showed you how to set up and provision your own virtual machine (VM) to run R and RStudio in Azure. Another option is to use the new Microsoft Data Science Virtual Machine, a pre-configured instance that includes a suite of tools useful to data scientists, including: Revolution R Open (performance-enhanced R) Anaconda Python Visual Studio...

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Emojis in ggplot graphics

November 30, 2015
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Emojis in ggplot graphics

R user David Lawrence Miller has created an extension for R's ggplot2 package that allows you to use emojis as plotting symbols. The emoGG package (currently only available on github) adds the geom_emoji geom to ggplot2, which uses an emoji code to identify the plotting symbol. For example: ggplot(iris, aes(Sepal.Length, Sepal.Width, color = Species)) + geom_emoji(emoji="1f337") (You can look...

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Happy Thanksgiving!

November 26, 2015
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Happy Thanksgiving!

Today is Thanksgiving Day in the United States, where the nation's citizens pause to reflect on what they are thankful for. I'd like to take this opportunity to give thanks to the members of the R Core Group who developed R, and continue to donate their time to help the community use R by improving R, writing documentation, maintaining...

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PowerBI adds support for R

November 23, 2015
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PowerBI adds support for R

In the latest update released on November 20, PowerBI has added support for R. The desktop edition of Microsoft's data visualization and reporting tool now allows you to run an R script to generate data; the resulting data frames from the script can then be used for data visualization or any other activities within Power BI. This PowerBI Support...

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How long does it take to get to the airport from NYC?

November 20, 2015
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How long does it take to get to the airport from NYC?

Todd W Schneider analyzed a database of 1.1 billion taxi rides in New York City from 2009-2015, and discovered some interesting insights on how New Yorkers use cabs. For example, here's a map of the drop-off locations of each ride in the database: The R code to generate this beautiful map is surprisingly simple: just one line to extract...

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New surveys show continued popularity of R

November 16, 2015
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New surveys show continued popularity of R

Two recent surveys — one based on LinkedIn skills data, and another a direct survey of data miners — show that R remains the most popular software for statistical data analysis. In a study of skills associated with LinkedIn profiles by RJmetrics (and also reported on Forbes), "data analysis" was unsurprisingly the skill most associated with self-proclaimed data scientists....

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In case you missed it: October 2015 roundup

November 13, 2015
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In case you missed them, here are some articles from October of particular interest to R users. A video from the PASS 2015 conference in Seattle shows R running within SQL Server 2016. The preview for SQL Server 2016 includes Revolution R Enterprise (as SQL Server R Services). A way of dealing with confounding variables in experiments: instrumental variable...

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Betterment uses R for modeling and reporting

November 9, 2015
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Betterment uses R for modeling and reporting

Betterment, the online automated investing service, uses R for modeling, analysis and reporting. In a recent blog post on the company website, data scientist Sam Swift suggests using R or Python as open data analysis platforms and goes on to reveal: Here at Betterment, we use both. We use Python more for data pipeline processes and R more for...

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