June 2018

Build httr Functions Automagically from Manual Browser Requests with the middlechild Package

June 15, 2018 | hrbrmstr

You can catch a bit of the @rOpenSci 2018 Unconference experience at home w with this short-ish ‘splainer video on how to use the new middlechild package (https://github.com/ropenscilabs/middlechild) & mitmproxy to automagically create reusable httr verb functions from manual browser form interactions. [Read more...]

Spreadsheet Data Manipulation in R

June 15, 2018 | Fabio Veronesi

Today I decided to create a new repository on GitHub where I am sharing code to do spreadsheet data manipulation in R.The first version of the repository and R script is available here: SpreadsheetManipulation_inRAs an example I am using a csv fre... [Read more...]

It’s that easy! Image classification with keras in roughly 100 lines of code.

June 14, 2018 | Dr. Shirin Glander

I’ve been using keras and TensorFlow for a while now - and love its simplicity and straight-forward way to modeling. As part of the latest update to my Workshop about deep learning with R and keras I’ve added a new example analysis: Building an image classifier to differentiate ...

[Read more...]

Exchange rate (ARS / USD) – Part II – Writing R functions to analyze simple variations and making animations to visualize them

June 14, 2018 | Mono-Limón

We explore the changes in the ARS/USD exchange rate with custom functions in R and then we make an animated plot.

[Read more...]

Working with Your Facebook Data in R

June 14, 2018 |

How to Read in and Clean Your Facebook Data - I recently learned that you can download all of your Facebook data, so I decided to check it out and bring it into R. To access your data, go to Facebook, and click on the white down arrow in the ...

[Read more...]

Quantile Regression (home made)

June 14, 2018 | arthur charpentier

After my series of post on classification algorithms, it’s time to get back to R codes, this time for quantile regression. Yes, I still want to get a better understanding of optimization routines, in R. Before looking at the quantile regression, let us compute the median, or the quantile, ...

[Read more...]

Detecting unconscious bias in models, with R

June 14, 2018 | David Smith

There's growing awareness that the data we collect, and in particular the variables we include as factors in our predictive models, can lead to unwanted bias in outcomes: from loan applications, to law enforcement, and in many other areas. In some instances, such bias is even directly regulated by laws ... [Read more...]

Mixed Models with Adaptive Gaussian Quadrature

June 14, 2018 | Dimitris Rizopoulos

OverviewIn this post, I would like to introduce my new R package GLMMadaptive for fitting mixed-effects models for non-Gaussian grouped/clustered outcomes using marginal maximum likelihood.Admittedly, there is a number of packages available for fitting...

[Read more...]

Minor updates for ggseas and Tcomp R packages by @ellis2013nz

June 14, 2018 | free range statistics - R

Updates I’ve made small updates to two of my R packages on CRAN: ggseas (seasonal adjustment on the fly for ggplot2 graphics) and Tcomp (tourism forecasting competition data). Neither of the packages changes in a noticeable way for most users. The ggseas update is to get it ready for ... [Read more...]

reticulate – another step towards a multilingual and collaborative way of working

June 14, 2018 | eoda GmbH

R, Julia, Python – todays data scientists have the choice between numerous different programming languages, each with their own strengths and weaknesses. Would it not be convenient to bring those languages together and use the individual strength of each language? The package “reticulate” for R takes a step in this direction. ...

[Read more...]

R community update: announcing New Delhi useR meetup group

June 14, 2018 | Analytical Monk

“The way to change the world is through individual responsibility and taking local action in your own community.” – Jeff Bridges Over the past few years, R’s adoption has grown rapidly throughout the world. Much of it can be attributed to the growth of ‘data science’ as a domain. But ...

[Read more...]

A Comparative Review of the Deducer GUI for R

June 13, 2018 | Bob Muenchen

Introduction Deducer is a free and open source Graphical User Interface for the R software, one that provides beginners a way to point-and-click their way through analyses. It also integrates into an environment designed to help programmers be more productive. … Continue reading →

[Read more...]

Using R with Emacs and ESS

June 13, 2018 | Peter Prevos

Emacs is the swiss-army chainsaw of software, the ultimate killer app. This article explains the basics of using R with Emacs and ESS. Continue reading → The post Using R with Emacs and ESS appeared first on The Devil is in the Data.

[Read more...]

Bias Adjustment for Rare Events Logistic Regression in R

June 13, 2018 | Rstats on pi: predict/infer

Rare events are often of interest in statistics and machine learning. Mortality caused by a prescription drug may be uncommon but of great concern to patients, providers, and manufacturers. Predictive models in finance may be focused on forecasting when equities move substantially, something quite rare relative to the more quotidian ...

[Read more...]

Player Data for the 2018 FIFA World Cup

June 13, 2018 | R Views

The World Cup starts today! The tournament which runs from June 14 through July 15 is probably the most popular sporting event in the world. if you are a soccer fan, you know that learning about the players and their teams and talking about it all with your friends greatly enhances the ...

[Read more...]

Animating mode variability with tidyverse and tweenr

June 13, 2018 | QuestionFlow

Provided different probability distributions, animate independent sample distributions to demonstrate mode variability. There is a thorough code description with some subtle tips and tricks. Prologue Not so long time ago I encountered the following task: given several groups of samples (one group - several samples from one distribution) make a ... [Read more...]

Exploring European attitudes and behaviours using the European Social Survey

June 13, 2018 | rOpenSci - open tools for open science

Introduction I never thought that I’d be programming software in my career. I started using R a little over 2 years now and it’s been one of the most important decisions in my career. Secluded in a small academic office with no one to discuss/interact about my new ...

[Read more...]

Announcing another slopegraph plotting function – June 14, 2018

June 13, 2018 | Chuck Powell

A couple of weeks ago I wrote a blog post about slopegraphs. There was some polite interest and it was a good chance to practice my functional programming skills so I decided to see if I could make a decent R function from what I had learned. It’s in ... [Read more...]

Retracing Prenatal Testing Algorithms

June 13, 2018 | Theory meets practice...

Abstract A good understanding of the statistical procedure used to calculate trisomy 21 (Down syndrome) risk in combined first trimester screening is a precondition for taking an informed decision on how to proceed with the screening results. For this purpose we implement the Fetal Medicine Foundation (FMF) Germany procedure described in ...

[Read more...]

Anomaly Detection for Business Metrics with R

June 13, 2018 | Sergey

The larger and more complex the business the more metrics and dimensions. One day you understand that it is impossible to track them with only your eyes.The larger and more complex the business the more metrics and dimensions. One day you understand that it is impossible to track them ...

[Read more...]

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R-bloggers

R news and tutorials contributed by hundreds of R bloggers

June 2018

Build httr Functions Automagically from Manual Browser Requests with the middlechild Package

Spreadsheet Data Manipulation in R

It’s that easy! Image classification with keras in roughly 100 lines of code.

Exchange rate (ARS / USD) – Part II – Writing R functions to analyze simple variations and making animations to visualize them

Working with Your Facebook Data in R

Quantile Regression (home made)

Detecting unconscious bias in models, with R

Mixed Models with Adaptive Gaussian Quadrature

Minor updates for ggseas and Tcomp R packages by @ellis2013nz

reticulate – another step towards a multilingual and collaborative way of working

R community update: announcing New Delhi useR meetup group

A Comparative Review of the Deducer GUI for R

Using R with Emacs and ESS

Bias Adjustment for Rare Events Logistic Regression in R

Player Data for the 2018 FIFA World Cup

Animating mode variability with tidyverse and tweenr

Exploring European attitudes and behaviours using the European Social Survey

Announcing another slopegraph plotting function – June 14, 2018

Retracing Prenatal Testing Algorithms

Anomaly Detection for Business Metrics with R

June 2018

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