With the release of the eBook version of Machine Learning for Hackers this week, many people have been asking for the code. With good reason—as it turns out—because O’Reilly still (at the time of this writing) has not updated the book page to include a link to ... [Read more...]

Today is Lithuania’s independence day and I have created R user group in Lithuania – VilniusR. If you are near by please follow the link, sign up and I hope that we will have a meeting soon. [Read more...]

First, let us recall a standard result from linear algebra: "real symmetric matrices are diagonalizable by orthogonal matrices". Thus, any variance-covariance matrix can be written since a variance-covariance matrix is also definite positive. In ... [Read more...]

[Read more...]

[Read more...]

In the course, still introducing some concept of dependent distributions, we will talk about the Dirichlet distribution (which is a distribution over the simplex of ). Let denote the Gamma distribution with density (on ) Let denote independent... [Read more...]

The most recent edition of the Revolution Newsletter is out. The news section is below, and you can read the full February edition (with highlights from this blog and community events) online. You can subscribe to the Revolution Newsletter to get it monthly via email. Revolution Analytics Welcomes New CEO, ... [Read more...]

Description: Number of blogs aggregated into the R-Bloggers news site. Data: https://www.r-bloggers.com/ Analysis: R-Bloggers is a website devoted to news and tutorials related to the R programming language. The content is generated by a growing ... [Read more...]

I am happy to report that the R-Podcast is now on iTunes. If you would like to subscribe to the podcast using iTunes, you can click on the iTunes logo or the iTunes link under Podcast Subscription Options on the right hand side of the page. Detailed information on how ... [Read more...]

A couple of weeks ago I saw a great example of an open learning blogpost from @katy_bird: Generating a word cloud (or not) from a Twitter hashtag. It described the trials and tribulations associated with trying to satisfy a request for the generation of a wordcloud based on tweets ... [Read more...]

[This article was first published on NIR-Quimiometría, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your [Read more...]

[This article was first published on Freakonometrics - Tag - R-english, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want [Read more...]

After many delays and exchanges of emails, our AMIS paper with Jean-Marie Cornuet, Jean-Michel Marin and Antonietta Mira eventually made it into the Scandinavian Journal of Statistics. I am quite glad it is now published as it will publicize the method... [Read more...]

Stats Chat is an interesting kiwi site—managed by the Department of Statistics of the University of Auckland—that centers around the use and presentation of statistics in the media. This week there was an interesting discussion on one of those infographics … Continue reading → [Read more...]

In section 10.4.4 of Serious stats (Baguley, 2012) I discuss the rank transformation and suggest that it often makes sense to rank transform data prior to application of conventional ‘parametric’ least squares procedures such as t tests or one-way ANOVA. There are several advantages to this approach over the usual approach (which ... [Read more...]

If you're in the San Francisco Bay Area on March 10, the ACM organizing a course on R that you might want to check out. Robert Kabacoff, author of the useful Quick-R website and the book R in Action, will present the course "An introduction to R for software developers and ... [Read more...]

[Read more...]

This is a continuation of the R workshop I’m teaching at the Baruch MFE program. This section discusses the programming …Continue reading » [Read more...]

[This article was first published on twotorials by anthony damico, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to [Read more...]

[This article was first published on twotorials by anthony damico, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to [Read more...]