Monthly Archives: October 2016

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

October 28, 2016
By
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

Read more »

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

October 28, 2016
By
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

Read more »

Free e-book: Data Science with SQL Server 2016

October 28, 2016
By
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...

Read more »

Comparing Symmetric Eigenvalue Performance

October 28, 2016
By
Comparing Symmetric Eigenvalue Performance

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...

Read more »

Book Review: Computer Age Statistical Inference

October 28, 2016
By

.fusion-fullwidth-1 { padding-left: px !important; ...

Read more »

FiveThirtyEight’s polling data for the US Presidential election

October 28, 2016
By
FiveThirtyEight’s polling data for the US Presidential election

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...

Read more »

Remote Processing Using Futures

October 28, 2016
By
Remote Processing Using Futures

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....

Read more »

Assessing clustering tendency: A vital issue – Unsupervised Machine Learning

October 27, 2016
By
Assessing clustering tendency: A vital issue – Unsupervised Machine Learning

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...

Read more »

A ‘tidyverse’ approach to simulation models

October 27, 2016
By
A ‘tidyverse’ approach to simulation models

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...

Read more »

Tidy Text Mining with R

October 27, 2016
By
Tidy Text Mining with R

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 ...

Read more »

Search R-bloggers

Sponsors

Never miss an update!
Subscribe to R-bloggers to receive
e-mails with the latest R posts.
(You will not see this message again.)

Click here to close (This popup will not appear again)