794 search results for "knitr"

New RStudio add-in to schedule R scripts

January 4, 2017
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New RStudio add-in to schedule R scripts

With the release of RStudio add-in possibilities, a new area of productivity increase and expected new features for R users has arrived. Thanks to the help of Oliver who has written an RStudio add-in on top of taskscheduleR, scheduling and automating an R script from RStudio is now exactly one click away if you are working...

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Use CSS to format markdown or HTML files

January 3, 2017
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Use CSS to format markdown or HTML files

Markdown (and Rmarkdown) are great ways to quickly develop material without worrying about the formatting. The documents can then be compiled using the knitr or rmarkdown packages to output formats such as HTML, latex, or even word. The main drawback o...

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(lazy)Loading Cached Chunks into an Interactive R Session

January 2, 2017
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If you cache code chunks when using knitr to generate reproducible documents then you’ve likely had the issue arrise of needing to load the results of cached chunks into an active interactive R session. The functions lazyload_cache_dir and lazyload_...

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Introducing the VisualResume (v0.1.0) R Package

January 2, 2017
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Introducing the VisualResume (v0.1.0) R Package

Visual Resumes are cool Some years ago, during the course of one of my regular Google image searches for inspiring designs, I discovered Visual Resumes (aka. Infographic Resumes) like this one from Michael Anderson. I immediately fell in love. And of course, I quickly set out to create my own in R. The result is a new package called VisualResume....

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Our R package roundup (2016)

December 31, 2016
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Our R package roundup (2016)

A year in review And yet again, it’s that time of the year when one eats too much and gets in a reflective mood! 2016 is nearly over, and us bloggers here at opiateforthemass.es thought it would be nice to argue endlessly which R package was th...

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How to map your Google location history with R

December 29, 2016
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How to map your Google location history with R

It’s no secret that Google Big Brothers most of us. But at least they allow us to access quite a lot of the data they have collected on us. Among this is the Google location history. If you want to see a few ways how to quickly and easily visualize ...

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Tip: Optimize your Rcpp loops

December 28, 2016
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Tip: Optimize your Rcpp loops

In this post, I will show you how to optimize your Rcpp loops so that they are 2 to 3 times faster than a standard implementation. Context Real data example For this post, I will use a big.matrix which represents genotypes for 15,283 individuals, corresponding to the number of mutations (0, 1 or 2) at 287,155 different loci. Here, I will use...

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R code to accompany Real-World Machine Learning (Chapters 2-4 Updates)

December 28, 2016
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R code to accompany Real-World Machine Learning (Chapters 2-4 Updates)

Abstract I updated the R code to accompany Chapter 2-4 of the book “Real-World Machine Learning” by Henrik Brink, Joseph W. Richards, and Mark Fetherolf to be more consistent with the listings and figures as presented in the book. rwml-R Chapters...

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Goodreads API

December 22, 2016
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Goodreads API

It’s December 23rd and I’ve only read 49 books. Whoops. There’s still time, but it’s definitely getting dicey. I’m about halfway through three books right now so I think I’ll be able to pull it off. Fingers crossed. Of course, last year I ...

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suRprise! – Classifying Kinder Eggs by Boosting

December 22, 2016
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suRprise! – Classifying Kinder Eggs by Boosting

Abstract Carrying the Danish tradition of Juleforsøg to the realm of statistics, we use R to classify the figure content of Kinder Eggs using boosted regression trees for the egg's weight and possible rattling noises. This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. The markdown+Rknitr source code...

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