R bloggers

Mandalas

February 14, 2018
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Mandalas

Mathematics is a place where you can do things which you can’t do in the real world (Marcus Du Sautoy, mathematician) From time to time I have a look to some of my previous posts: it’s like seeing them through another’s eyes. One of my first posts was this one, where I draw fractals using the … Continue reading Mandalas...

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BH 1.66.0-1

February 13, 2018
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A new release of the BH package arrived on CRAN a little earlier: now at release 1.66.0-1. BH provides a sizeable portion of the Boost C++ libraries as a set of template headers for use by R, possibly with Rcpp as well as other packages. This release...

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jamovi for R: Easy but Controversial

February 13, 2018
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jamovi for R: Easy but Controversial

jamovi is software that aims to simplify two aspects of using R. It offers a point-and-click graphical user interface (GUI). It also provides functions that combines the capabilities of many others, bringing a more SPSS- or SAS-like method of programming … Continue reading →

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Supervised vs. Unsupervised Learning: Exploring Brexit with PLS and PCA

February 13, 2018
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Supervised vs. Unsupervised Learning: Exploring Brexit with PLS and PCA

Outcome Supervision Yesterday I was part of an introductory session on machine learning and unsurprisingly, the issue of supervised vs. unsupervised learning came up. In social sciences, there is a definite tendency for the former; there is more or less always a target outcome or measure that we want to optimise the performance of our models for. This reminded me of...

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Regularized Greedy Forest in R

February 13, 2018
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This blog post is about my newly released RGF package (the blog post consists mainly of the package Vignette). The RGF package is a wrapper of the Regularized Greedy Forest python package, which also includes a Multi-core implementation (Fast...

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Support for hOCR and Tesseract 4 in R

Support for hOCR and Tesseract 4 in R

Earlier this month we released a new version of the tesseract package to CRAN. This package provides R bindings to Google’s open source optical character recognition (OCR) engine Tesseract. Two major new features are support for HOCR and support for the upcoming Tesseract 4. hOCR output Support for HOCR output was requested by one of our users on Github. The ocr() function...

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Introducing the 2018 rOpenSci Research Fellows!

Introducing the 2018 rOpenSci Research Fellows!

rOpenSci’s mission is to enable and support a thriving community of researchers who embrace open and reproducible research practices as part of their work. Since our inception, one of the mechanisms through which we have supported the community is by developing high-quality open source tools that lower barriers to working with scientific data. Equally important to our mission is...

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Teaching Luxembourgish to my computer

Teaching Luxembourgish to my computer

How we taught a computer to understand Luxembourguish Today we reveal a project that Kevin and myself have been working on for the past 2 months, Liss. Liss is a sentiment analysis artificial intelligence; you can let Liss read single words or who...

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Deep learning at rstudio::conf 2018

February 13, 2018
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Deep learning at rstudio::conf 2018

Two weeks ago, rstudio::conf 2018 was held in San Diego. We had 1,100 people attend the sold-out event. In this post, I summarize my experience of the talks on the topic of deep learning with R, including the keynote by J.J. Allaire. Keynote The keynote on the second day was J.J. Allaire discussing “Machine Learning with Tensorflow and R”. In...

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Sentiment Analysis of 5 popular romantic comedies

February 13, 2018
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Sentiment Analysis of 5 popular romantic comedies

Background With Valentine’s Day coming up, I was thinking about a fun analysis that I could convert into a blog post. Inspired by a beautiful visualization “Based on a True True story?” I decided to do something similar and analyze the sentiment in the most popular romantic comedies. After searching for romantic comedies Google suggests a list of movies, where the top...

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