(Editors note: A Spanish verison of the post follows the English text) In the first meeting we were 5, now we are consistently over 60. It was not difficult for us to start up the group of users of R of Madrid. Gregorio Serrano, Carlos Gil Bellosta, Pedro Concejero and I started ... [Read more...]

In this post, I’ll describe a Shiny app to support the Emerging Markets ETF Country Exposure analysis developed in a previous post I have done some additional work and updated the analysis to include five ETFs in the app, whereas we originally imported data on 1 ETF. The new notebook ... [Read more...]

The R core group announced today the release of R 3.3.3 (code-name: "Another Canoe"). As the wrap-up release of the R 3.3 series, this update mainly contains minor bug-fixes. (Bigger changes are planned for R 3.4.0, expected in mid-April.) Binaries for the Windows version are already up on the CRAN master site, and ... [Read more...]

One of the most popular posts on this blog has been my attempt to create Kaplan-Meier plots with an aligned table of persons-at-risk below it under the ggplot paradigm. That post was last updated 3 years ago. In the interim, Chris Dardis has built upon these attempts to create a much ... [Read more...]

Our Community Call on Tuesday, March 7th, 8-9 AM PST, will cover "How to ask questions so they get answered! Possibly by yourself!". Asking questions about programming is a skill you can develop - we're not just born with it. The speakers will cover some of the background and skills ... [Read more...]

Maëlle Salmon, a Forwards collaborator, got the chance to interview Emily Robinson, who recently became a data analyst at Etsy. A very inspiring R-Lady! Hi, Emily! Thanks for letting us interview you! You studied Decision Sciences at Rice University and then graduated from INSEAD with a Master’s degree ... [Read more...]

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Introduction: What are turnaround stocks? Turnaround investing is the process of looking for investment opportunities in down-and-out companies that are poised to experience a financial recovery. […] The post Quant Screening Backtesting: Turnaround Stocks appeared first on NYC Data Science Academy Blog. [Read more...]

Lately I was getting a little bored with genomic data (and then TCGA2STAT started to give me a segfault on my university’s high performance computing facility too :stuck_out_tongue:). So I decided to analyze some brain imaging data that I had lying a... [Read more...]

Forwards, the R Foundation taskforce on women and other under-represented groups, is seeking to address issues affecting under-represented groups in general as it works to broaden the participation of women in the R community. In order to adequately address such issues, we would like to widen the diversity of the ... [Read more...]

Here’s a new package that brings to R new API to handle child processes – similar to how Python handles them. Unlike the already available system() and system2() calls from the base package or the mclapply() function from the parallel package, this new API is aimed at handling long-lived child ... [Read more...]

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I will continue to work out of the The Practice Of Statistics 4th edition book and recreate some histograms. I used the data on page 35 in Chapter 1. My students will be getting this lesson this week. After they make their firs histograms, I’ll have them compare the R histogram ... [Read more...]

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In this post, we’ll be using k-means clustering in R to segment customers into distinct groups based on purchasing habits. k-means clustering is an unsupervised learning technique, which means we don’t need to have a target for clustering. All we need is to format the data in a ... [Read more...]

Below is a very simple way to have https connections for the open source version of RStudio Server and Shiny Server. sudo apt-get install docker sudo apt-get install python-pip sudo pip install docker-compose Now, in your user directory, create a text file using your preferred text editor, called docker-compose.yml [Read more...]

I can say that this FTA boosted chilean exports to Asia a lot and it has slowly helped to export more non-traditional products year by year. The charts available here are about imports and exports in Chile, and many more related to trade. This was made... [Read more...]

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Like most R Programmers, I’m a fan of the R packages that RStudio develops. They recently announced Flexdashboards: Easy interactive dashboards written in RMarkdown. I’m always trying to expand my R skills with side projects so I’ve put... [Read more...]

A couple of weeks ago I have released my first R package on CRAN. For me it turned out to be a far less painful process than many people on the internet portray it to be (even though the package uses quite a lot of C++ code via Rcpp and ... [Read more...]