Training courses in San Francisco

December 8, 2019
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Training courses in San Francisco

Jumping Rivers are coming to San Francisco in January 2020! We'll be running a number of R training courses with Paradigm Data. You can find the booking links and more details over at our courses page. Don't be afraid to get in contact if you have any questions! 22nd January - Intro to R This The post Training courses in...

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Advent of Code 2019 challenge with R

December 8, 2019
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Advent of Code 2019 challenge with R

I have decided to tackle this year’s Advent Of Code using R (more or less). I know there are more preferred languages, such as Python, C#, Java, JavaScript, Go,...

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Practical Tidy Evaluation

December 7, 2019
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Practical Tidy Evaluation

Tidy evaluation is a framework for controlling how expressions and variables in your code are evaluated by tidyverse functions. This framework, housed in the rlang package, is a powerful tool for writing more...

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How to precompute package vignettes or pkgdown articles

How to precompute package vignettes or pkgdown articles

As of earlier this year, we are now automatically building binaries and pkgdown documentation for all rOpenSci packages. One issue we encountered is that some packages include vignettes that...

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Inset maps with ggplot2

Inset maps with ggplot2

Inset maps enable multiple places to be shown in the same geographic data visualisation, as described in the Inset maps section (8.2.7) of our open source book Geocomputation with...

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Building a statistical model for field goal kicker accuracy

December 7, 2019
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Building a statistical model for field goal kicker accuracy

This is the methodological companion to my post on my proposed method for evaluating NFL kickers. To get all the results and some extra info...

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Le Monde puzzle [#1119]

December 7, 2019
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Le Monde puzzle [#1119]

A digit puzzle as Le weekly Monde current mathematical puzzle that sounds close to some earlier versions: Perfect squares are pairs (a²,b²) with the same number of digits such...

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What is new for rquery December 2019

December 7, 2019
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Our goal has been to make rquery the best query generation system for R (and to make data_algebra the best query generator for Python). Lets see what rquery is...

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RcppArmadillo 0.9.800.3.0

December 7, 2019
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RcppArmadillo 0.9.800.3.0

A small Armadillo bugfix upstream update 9.800.3 came out a few days ago. The changes, summarised by Conrad in email to me (and for once not yet on...

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RDieHarder 0.2.1

December 7, 2019
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A new version, now at 0.2.1, of the random-number generator tester RDieHarder (based on the DieHarder suite developed / maintained by Robert Brown with contributions by David Bauer...

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From one Regression to Hundreds Within Seconds: A Shiny Specification Curve

From one Regression to Hundreds Within Seconds: A Shiny Specification Curve

Online appendices detailing the robustness of empirical analyses are paramount but they never let readers explore all reasonable researcher degrees of freedom. Simonsohn, Simmons and Nelson suggest a ‘specification curve’ that allows...

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Choropleth Map in ggplot2

December 6, 2019
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Choropleth Map in ggplot2

Creating a map in ggplot2 can be surprisingly easy! This tutorial will show the US by state. The dataset is from 1970 and will show some US statistics including...

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HackRcity 2019 recap: hacking the “coolest city” contest

December 6, 2019
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HackRcity 2019 recap: hacking the “coolest city” contest

Intro + hackathon description   Have you ever participated in a hackathon? A month ago my answer was still no (despite the fact that I’ve been working in the R...

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R Package for @racently

December 5, 2019
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R Package for @racently

I recently wrote about an API for @racently. The next logical step was to build a package which wraps the API so that the data can easily be pulled...

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Advent of Code 2019-06 with R

December 5, 2019
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Solving Advent of Code 2019-06 with R (and no JavaScript this time). Obviously, this post contains a big spoiler about Advent of Code, as it gives solutions for solving day...

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celebRation 2020

celebRation 2020

The year 2020 marks the 20th anniversary of the release of R version 1.0.0! To celebrate this, we are inviting the community of R users and developers for a two-day celebRation workshop/mini-conference...

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Practical Data Science with R 2nd Edition now in-stock at Amazon.com!

December 5, 2019
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Practical Data Science with R 2nd Edition now in-stock at Amazon.com!

Practical Data Science with R 2nd Edition is now in-stock at Amazon.com! Buy it for your favorite data scientist in time for the holidays!

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lintools 0.1.3 is on CRAN

December 5, 2019
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lintools 0.1.3 is on CRAN

Version 0.1.3 of the lintools package was accepted on CRAN today. This version brings a few internal improvements and switches the testing suite to the tinytest test infrastructure. lintools...

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Sponsorship: SatRdays and useR Groups

December 5, 2019
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SatRdays SatRdays are great. Low cost R events, held around the world. What's not to love! For the last year, we have been offering automatic sponsorship for all SatRday...

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Counting Arguments in the Tidyverse

December 5, 2019
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Counting Arguments in the Tidyverse

Before we start anything, I’d like to mention that most of the hard work came from nsaunders and his great blog post Idle thoughts lead to R internals: how...

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How to make a precision recall curve in R

December 5, 2019
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How to make a precision recall curve in R

Precision recall (PR) curves are useful for machine learning model evaluation when there is an extreme imbalance in the data and the analyst is interested particuarly in one class....

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Emails from R: Blastula 0.3

December 4, 2019
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Emails from R: Blastula 0.3

We’re pleased to announce blastula, a package for creating beautiful custom emails in R. At RStudio, we love interactive dashboards, but some situations call for a different communication mechanism. Use blastula...

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R Shiny for beginners: annotated starter code

This week I decided to get started with the R shiny package for interactive web applications. As an absolute beginner, I want to document my learning journey in the...

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parcats 0.0.1 released

December 4, 2019
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parcats 0.0.1 released

parcats was released on CRAN. It is an htmlwidget providing bindings to the plotly.js parcats trace, which is not supported by the plotly R package. Also adds marginal histograms...

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Gold-Mining Week 14 (2019)

December 4, 2019
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Week 14 Gold Mining and Fantasy Football Projection Roundup now available. The post Gold-Mining Week 14 (2019) appeared first on Fantasy Football Analytics.

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How to reorder arrange bars with in each Facet of ggplot

December 3, 2019
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How to reorder arrange bars with in each Facet of ggplot

One of the problems that we usually face with ggplot is that rearranging the bars in ascending or descending order. If that problem is solved using reorder() or fct_reorder(),...

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Advent of Code 2019-04 with R & JavaScript

December 3, 2019
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Solving Advent of Code 2019-04 with R and JavaScript. Obviously, this post contains a big spoiler about Advent of Code, as it gives solutions for solving day 4. I’m...

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In-Database Logisitc Regression with R

December 3, 2019
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In-Database Logisitc Regression with R

Roland Stevenson is a data scientist and consultant who may be reached on Linkedin. In a previous article we illustrated how to calculate xgboost model predictions in-database. This was referenced...

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Job Posting: Research Software Engineer at EcoHealth Alliance

December 3, 2019
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I’m recruiting a Research Software Engineer to join my team at EcoHealth Alliance in New York. Details and how to apply can be found at https://www.ecohealthalliance.org/career/research-software-engineer.

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