Monthly Archives: October 2016

Regular Expressions Exercises – Part 1

October 30, 2016
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Regular Expressions Exercises – Part 1

A common task performed during data preparation or data analysis is the manipulation of strings. Regular expressions are meant to assist in such and similar tasks. A regular expression is a pattern that describes a set of strings. Regular expressions can range from simple patterns (such as finding a single number) thru complex ones (such

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Nobel Laureates – A Closer Look At The Data

October 30, 2016
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Salvino A. Salvaggio ...The ritual is now well established: since more than a century every year on early October, the STEM small-world but also the media and many science-&-technology aficionados and enthusiasts wait for the Nobel Prizes announcement. As the 2016 round of Nobel laureates was announced...

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RProtoBuf 0.4.7: Mostly harmless

October 29, 2016
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CRAN requested a release updating any URLs for Omegahat to the (actually working) omegahat.net URL. The RProtoBuf package had this in one code comment (errr...) and on bibfile entry. Oh well -- so that caused this 0.4.7 release which arrived on CRAN today. It contains the requested change, and pretty much nothing else. RProtoBuf provides...

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drat 0.1.2: Mostly harmless

October 29, 2016
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CRAN requested a release updating any URLs for Omegahat to the (actually working) omegahat.net URL. So that caused this 0.1.2 release which arrived on CRAN yesterday. It contains the requested change along with one or two other mostly minor changes w...

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Finding the farthest points in a point cloud

October 29, 2016
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(This article was first published on Johan Larsson - R, and kindly contributed to R-bloggers) To leave a comment for the author, please follow the link and comment on their blog: Johan Larsson - R. R-bloggers.com offers daily e-mail updates about R news and tutorials on topics such as: Data science, Big Data, R jobs, visualization (ggplot2, Boxplots, maps,...

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How to add a background image to ggplot2 graphs

October 29, 2016
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How to add a background image to ggplot2 graphs

When producing so called infographics, it is rather common to use images rather than a mere grid as background. In this blog post, I will show how to use a background image with ggplot2. Packages required The following code will install load and / or install the R packages required for this blog post. if Related Post

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A quick exploration of the ReporteRs package

October 28, 2016
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A quick exploration of the ReporteRs package

The package ReporteRs has been getting some play on the interwebs this week, though it’s actually been around for a while. The nice thing about this package is that it allows writing Word and PowerPoint documents in an OS-independent fashion unlike some earlier packages. It also allows the editing of documents by using bookmarks within

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Join Hadley Wickham’s Master R Workshop in Melbourne, Australia December 12 & 13

October 28, 2016
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Join Hadley Wickham’s Master R Workshop in Melbourne, Australia December 12 & 13

It’s nearly summeRtime in Australia! Join RStudio Chief Data Scientist Hadley Wickham for his popular Master R workshop in Melbourne. Register here:  https://www.eventbrite.com/e/master-r-developer-workshop-melbourne-tickets-22546200292 Melbourne will be Hadley’s first and only scheduled Master R workshop in Australia. Whether you live or work nearby or you just need one more good reason to visit Melbourne in the

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Clickstream Data, R Graph Gallery, and a package that will instantly increase your karma points at work!

October 28, 2016
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Clickstream Data, R Graph Gallery, and a package that will instantly increase your karma points at work!

To stay on top of R in the news, we’re sharing some stories related to R published last week. The R Graph Gallery Has Made a Combeback(Yan Holtz) I must admit, the first edition of this gallery must have been before my time! Announced here, I was immediately most intrigued by what obscure visualizations were

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Free e-book: Data Science with SQL Server 2016

October 28, 2016
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Free e-book: Data Science with SQL Server 2016

There's a new e-book available to download free from Microsoft Academy: Data Science with Microsoft SQL Server 2016. This 90-page e-book is aimed at data scientists who already have some experience in R, but want to learn how to use R wirth SQL Server. The book was written by some of my most experienced colleagues from Microsoft's data science...

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