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Keeping R Shiny code organized can be a challenge. One method to organize your Shiny UI and Server code is to use a combination of R’s list and source functions. Another method to organize you’re Shiny code is through modularization techniques. Here though, we’re going concentrate on ... [Read more...]

Earlier this year my colleague Steve Vaisey was converting code in some course notes from Stata to R. He asked me a question about tidily converting from long to wide format when you have multiple value columns. This is a little more awkward than it should be, and I’ve ... [Read more...]

I’ve recently begun reading through the book Modern Data Science with R, by Benjamin S. Baumer, Daniel T. Kaplan, and Nicholas J. Horton. It’s quite clear and informative. One of the things I especially appreciate about it is that I’m not finding the math to be too ... [Read more...]

Most liked R posts from last week, sorted based on the number of likes they got on twitter, enjoy: From webscraping data to releasing it as an R package to share with the [Read more...]

If you’ve read our previous R Tip on using sigr with linear models, you might have noticed that the lm() summary object does in fact carry the R-squared and F statistics, both in the printed form: model_lm [Read more...]

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xts version 0.11-2 was published to CRAN yesterday. xts provides data structure and functions to work with time-indexed data.  This is a bug-fix release, with notable changes below: The xts method for shift.time() is now registered. Thanks to Philippe Verspeelt for the report and PR (#268, #273). An if-statement in the ... [Read more...]

xts version 0.11-2 was published to CRAN yesterday. xts provides data structure and functions to work with time-indexed data.  This is a bug-fix release, with notable changes below: The xts method for shift.time() is now registered. Thanks to Philippe Verspeelt for the report and PR (#268, #273). An if-statement in the ... [Read more...]

Recently I developed a solution using a Hidden Markov Model and was quickly asked to explain myself. What are they […] The post Hidden Markov Model example in r with the depmixS4 package appeared first on Daniel Oehm | Gradient Descending. [Read more...]

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Ten years ago today I wrote the NEWS.Rd entry in this screenshot for the very first Rcpp_release: First Rcpp release So Happy Tenth Birthday, Rcpp !! It has been quite a ride. Nearly 1500 packages on CRAN, or about one in nine (!!), rely on Rcpp to... [Read more...]

I can’t tell you how many times I’ve started to write this post in my mind since May 2018. Today I’m finally typing it on the computer. This will be a rather long post that ties in several threads. I’ll talk about Cold Spring Harbor’s Biology ... [Read more...]

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I can’t tell you how many times I’ve started to write this post in my mind since May 2018. Today I’m finally typing it on the computer. This will be a rather long post that ties in several threads. I’ll talk about Cold Spring Harbor’s Biology ... [Read more...]

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Last week Google and friends released the new major version of their OCR system: Tesseract 4. This release builds upon 2+ years of hard work and has completely overhauled the internal OCR engine. From the tesseract wiki: Tesseract 4.0 includes a new neural network-based recognition engine that delivers significantly higher accuracy (on document ... [Read more...]