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
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
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...
Lazy reader’s guide: skip to the pretty pictures, skim the conclusions section, ignore the rest. Background I think a lot about eigenvalue and singular value decompositions. I won’t get into it right now, but I have been quoted in the past as sa...
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3,000+ voting intention surveys Like many others around the world, I have been watching with interest the democratic process in the United States of America. One of the most influential and watched websites is FiveThirtyEight.com, headed by Nate Silv...
A new version of the future package has been released and is available on CRAN. With futures, it is easy to write R code once, which later the user can choose to parallelize using whatever resources s/he has available, e.g. a local machine, a set of local notebooks, a set of remote machines, or a high-end compute cluster....
1 Required packages 2 Data preparation2.1 faithful dataset 2.2 Random uniformly distributed dataset 3 Why assessing clustering tendency? 4 Methods for assessing clustering tendency4.1 Hopkins statistic4.1.1 Algorithm 4.1.2 R function for computing Hopkins statistic 4.2 VAT: Visual Assessment of cluster Tendency4.2.1 VAT Algorithm 4.2.2 R functions for VAT 5 A single function for Hopkins statistic and VAT 6 Infos Clustering algorithms, including partitioning...
A ‘tidyverse’ approach to simulation models I am a big fan of Rstudio’s (mainly led by Hadley Wickham) series of R packages known as the ‘tidyverse’. The packages modernise much of R’s functionality to better deal with moderately large da...
I am so pleased to announce that tidytext 0.1.2 is now available on CRAN. This release of tidytext, a package for text mining using tidy data principles by Dave Robinson and me, includes some bug fixes and performance improvements, as well as some new ...
