In my previous blog post, Saving input and output with sp_execute_external_script, I was exploring the possibilities how to capture the R code that external procedure sends it internally to the Launchpad.exe program.  And a blog comment by reader Bob gave me additional push to write the ...

The technology is available for researchers to create a reproducible manuscript whereby calculations and graphs are generated computationally – thereby saving researcher time and avoiding human error. eLife is exploring ways to support life and biomedical scientists who wish to communicate their research in this way. In this post, Chris Hartgerink, ...

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Choroplethr version 3.6.0 is now on CRAN. This version adds functionality for getting and mapping demographics of US Census Tracts. You can install it from... The post Choroplethr v3.6.0 is now on CRAN appeared first on AriLamstein.com.

Choroplethr version 3.6.0 is now on CRAN. This version adds functionality for getting and mapping demographics of US Census Tracts. You can install it from... The post Choroplethr v3.6.0 is now on CRAN appeared first on AriLamstein.com.

The very active development of R means that there are fewer and fewer tasks that cannot be accomplished with R. Today let’s schedule a custom push notification for the smartphone. Why There are two motivations: Packt Publishing sell great tech related books, and even better, they also offer a ...

Motivation behind this example I was diagnosed with sleep apnea last year, and have to use a continuous positive airway pressure (CPAP) machine to sleep well enough to feel alert during the day. The machine uploads data (via cellular connection) to a website that will give me results for the ...

For Easter, I wanted to have a look at the number of hares in Germany. Wild hare populations have been rapidly declining over the last 10 years but during the last three years they have at least been stable. This plot shows the 16 federal states of Ge...

About a year-and-a-half ago, some students and I wrote OMSI, Online Measurement of Student Insight, an online software tool to improve examinations for students and save instructors lots of time and drudgery currently spent on administering exams. It is written in a mixture of Python and R. (Python because it ...

This guide is part of a series on setting up your own private server running shiny apps. There are many guides with great advice on how to set up an R shiny server and related software. I try to make a comprehensive guide based in part on these resourc...

(or: how to correctly use xgboost from R) R has "one-hot" encoding hidden in most of its modeling paths. Asking an R user where one-hot encoding is used is like asking a fish where there is water; they can’t point to it as it is everywhere. For example we ...

This week’s R bulletin will cover topics like removing duplicate rows, finding row number, sorting a data frame in the same order, sorting a data frame in different order, and creating two tabs in an excel workbook. We will also cover functions like Sys.time, julian, and the second & ...