Gold-Mining Week 12 (2020)

[This article was first published on R – Fantasy Football Analytics, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don’t. Favorite

A Mini MacroEconometer for the Good, the Bad and the Ugly

Gross domestic product (GDP) is the total monetary or market value of all the finished goods and services produced within a country’s/state’s borders in a specific time period. As a broad measure of overall domestic production, it functions as a comprehensive scorecard of a given country’s/state’s economic health. But, is this wealth and economic health … Read more A Mini MacroEconometer for the Good, the Bad and the Ugly

Custom Google Analytics Dashboards with R: Downloading Data

With all that said, the dashboards that use this API provide insights into our blog use that would require a great deal of manual work to reproduce using the GA web interface. Install These Packages If You Don’t Have Them Already While the finished dashboards use 16 different R packages, the essential ones I use … Read more Custom Google Analytics Dashboards with R: Downloading Data

Monte Carlo Simulation of Bernoulli Trials in R

[This article was first published on Data Science Depot, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don’t. Background A user on Stackoverflow recently asked a question about a … Read more Monte Carlo Simulation of Bernoulli Trials in R

Generalized fiducial inference on quantiles

My new package ‘gfiExtremes’ is onCRANnow. So it is time to present it. This package allows to get confidence intervals about the quantiles ofany reasonable distribution (although the inference is based on aparametric model). The statistical inference is fiducial. To give an illustration, I’m taking a sample of length 100 randomlygenerated from a Weibull distribution: … Read more Generalized fiducial inference on quantiles

3 Top Business Intelligence Tools Compared: Tableau, PowerBI, and Sisense

Business Intelligence (BI) is used to transform data into actionable insights that provide value to an organization and help achieve its business goals. Reports and dashboards are go-to approaches for modern-day business intelligence tools. At Appsilon, we are big advocates of R and R Shiny, but we also have significant experience with business intelligence tools. … Read more 3 Top Business Intelligence Tools Compared: Tableau, PowerBI, and Sisense

lmDiallel: a new R package to fit diallel models. The Hayman’s model (type 1)

In a previous post we have presented our new ‘lmDiallel’ package (see this link here and see also the original paper in Theoretical and Applied Genetics). It provides several extensions to the lm() function in R, to fit a class of linear models of interest for plant breeders or geneticists, the so-called diallel models. For … Read more lmDiallel: a new R package to fit diallel models. The Hayman’s model (type 1)

LondonR Talks – Computer Vision Classification – Turning a Kaggle example into a clinical decision making tool

I had the pleasure of speaking at the last LondonR event of 2020. What a strange year it has been? But this put the icing on the cake. The premise The premise of my talk was to take a novel Kaggle parasite cell dataset and advocate how this type of classification task could be transported … Read more LondonR Talks – Computer Vision Classification – Turning a Kaggle example into a clinical decision making tool

Warspeed 5 — priors and models continued

My last 4 posts have all focused on thevaccines being produced to fight COVID-19. They have primarily focused onBayesian methods (or at least comparing bayesian to frequentist methods). Thisone follows that pattern and provides expanded coverage of the concept ofpriors in bayesian thinking, how to operationalize them, and additionalcoverage of how to compare bayesian regression … Read more Warspeed 5 — priors and models continued

the riddle(r) of the certain winner losing in the end

[This article was first published on R – Xi’an’s Og, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don’t. Considering a binary random walk, starting at zero, what is … Read more the riddle(r) of the certain winner losing in the end

Basic Multipage Routing Tutorial for Shiny Apps: shiny.router

Basic Routing for Shiny Web Applications Web applications couldn’t exist without routing. Think about it in terms of the Appsilon website – you’ve visited our home page, navigated to the blog, and opened this particular article. That’s routing in a nutshell – matching UI components to a URL. Appsilon released the open source shiny.router package … Read more Basic Multipage Routing Tutorial for Shiny Apps: shiny.router

Reverse Engineering AstraZeneca’s Vaccine Trial Press Release

In their press release AstraZeneca provide the following information about an interim analysis of their vaccine trial: One dosing regimen (first a half dose and at least a month later a full dose) with 2741 participants showed 90% efficacy Another dosing regimen (two full doses at least one month apart) with 8896 participants showed 62% … Read more Reverse Engineering AstraZeneca’s Vaccine Trial Press Release

Visualizing geospatial data in R—Part 1: Finding, loading, and cleaning data

Introduction This is part 1 of a 4 part series on how to build maps using R. How to load geospatial data into your workspace and prepare it for visualization How to make static maps using ggplot2 How to make interactive maps (pan, zoom, click) using leaflet How to add interactive maps to a Shiny … Read more Visualizing geospatial data in R—Part 1: Finding, loading, and cleaning data

To peek or not to peek after 32 cases? Exploring that question in Biontech/Pfizer’s vaccine trial

This is my 4th post about Biontech/Pfizer’s Covid-19 vaccine trial. If you are missing background, please first look at my 2nd post and 3rd post. Biontech/Pfizer originally planed to analyze the vaccine efficacy at 5 stages: after 32, 62, 92, 120 and finally 164 Covid-19 cases have been observed among the 43538 study participants that … Read more To peek or not to peek after 32 cases? Exploring that question in Biontech/Pfizer’s vaccine trial

xkcd Comics as a Minimal Example for Calling APIs, Downloading Files and Displaying PNG Images with R

xkcd webcomics is one of the institutions of the internet, especially for the nerd community. If you want to learn how to fetch JSON data from a REST API, download a file from the internet and display a PNG file in a ultra-simple example, read on! Many services on the internet provide a web service … Read more xkcd Comics as a Minimal Example for Calling APIs, Downloading Files and Displaying PNG Images with R

A/B testing my resume

[This article was first published on R – David’s blog, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don’t. Internet wisdom is divided on whether one-page resumes are more … Read more A/B testing my resume

Deploying an R Shiny app on Heroku free tier

Continuous Deployment made easy with GitHub Actions and Heroku This article is a short guide on deploying a Shiny app on Heroku. Familiarity with Docker, Shiny and GitHub is presumed. For an introduction to Docker, see Deploying a Shiny Flexdashboard with Docker. This article was also published on https://www.r-bloggers.com/. This article will show you What Heroku is and … Read more Deploying an R Shiny app on Heroku free tier

Forecasting Time Series ARIMA Models (10 Must-Know Tidyverse Functions #5)

[This article was first published on business-science.io, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don’t. This article is part of a R-Tips Weekly, a weekly video tutorial that … Read more Forecasting Time Series ARIMA Models (10 Must-Know Tidyverse Functions #5)

BlueSky Statistics Intro and User Guides Now Available

[This article was first published on R – r4stats.com, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don’t. BlueSky Statistics is an easy-to-use menu system that uses the R … Read more BlueSky Statistics Intro and User Guides Now Available

A latent threshold model to dichotomize a continuous predictor

[This article was first published on ouR data generation, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don’t. This is the context. In the convalescent plasma pooled individual patient … Read more A latent threshold model to dichotomize a continuous predictor

pointblank v0.6

[This article was first published on Posts | R & R, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don’t. With the release of pointblank v0.6, workflows for the … Read more pointblank v0.6

The ‘circular random walk’ puzzle: tidy simulation of stochastic processes in R

[This article was first published on Variance Explained, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don’t. Previously in this series I love 538’s Riddler column, and I’ve enjoyed … Read more The ‘circular random walk’ puzzle: tidy simulation of stochastic processes in R

Analyzing the Harmonic Structure of Music: Modes, Keys and Clustering Musical Genres

[This article was first published on Method Matters Blog, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don’t. In this post, we will examine the harmonic properties of songs … Read more Analyzing the Harmonic Structure of Music: Modes, Keys and Clustering Musical Genres

Plotting the excessive number of deaths in 2020 by age (with the eurostat package)

Number of deaths in consecutive weeks. See the second plot for the whole story. Recently there have been several blog entries showing excessive number of deaths in different countries.Recently I discovered that in the eurostat database (1) one can find current data on the number of deaths, (2) this number is broken down by age, gender … Read more Plotting the excessive number of deaths in 2020 by age (with the eurostat package)

Tidy Troubles and SwimmeR does the Splits – v0.6.0

Splits “All that sounds great”, I hear you saying, “and your examples worked flawlessly!” Wrong, wrong, wrong. I picked those examples as traps. Splits can be trouble, as Ricky Berens well knows. Not where you want a split Here’s the problem. SwimmeR reads in data from sources, but it also imposes a structure on that … Read more Tidy Troubles and SwimmeR does the Splits – v0.6.0

Online Tests for TestVision with R/exams

[This article was first published on R/exams, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don’t. Generating, importing, and customizing online tests for TestVision with R/exams. Motivation This tutorial … Read more Online Tests for TestVision with R/exams

Gold-Mining Week 11 (2020)

[This article was first published on R – Fantasy Football Analytics, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don’t. Favorite

Little useless-useful R functions – Making scatter plot from an image

[This article was first published on R – TomazTsql, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don’t. Taking a jpg image and converting it to raster, getting pixelized … Read more Little useless-useful R functions – Making scatter plot from an image

Updated Apache Drill R JDBC Interface Package {sergeant.caffeinated} With {dbplyr} 2.x Compatibility

[This article was first published on R – rud.is, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don’t. While the future of the Apache Drill ecosystem is somewhat in-play … Read more Updated Apache Drill R JDBC Interface Package {sergeant.caffeinated} With {dbplyr} 2.x Compatibility

Boosting nonlinear penalized least squares

For some reasons I couldn’t foresee, there’s been no blog post here on november 13and november 20. So, here is the post about LSBoost announced here a few weeks ago. First things first, what is LSBoost? Gradient boosted nonlinear penalized least squares. More precisely in LSBoost, the ensembles’ base learners are penalized, randomized neural networks. … Read more Boosting nonlinear penalized least squares

Graphical User Interfaces were a mistake but you can still make things right

Some weeks ago I tweeted this: GUIs were a mistake — Bruno Rodrigues (@brodriguesco) October 9, 2020 you might think that I tweeted this as an unfunny joke, but it’s not. GUIs were one of the worstthings to happen for statisticians. Clickable interfaces for data analysis is probably one of thegreatest source of mistakes and … Read more Graphical User Interfaces were a mistake but you can still make things right

Bio7 3.2 Released

[This article was first published on R – Bio7, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don’t. 20.11.2020 A new version of Bio7 is available. This update comes … Read more Bio7 3.2 Released

Lake Erie Pileup

[This article was first published on AdventuresInData, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don’t.  Strong winds caused substantial water surface elevation differences in Lake Erie around November … Read more Lake Erie Pileup

Global Lockdown Effects on Social Distancing: A Graphical Primer

The idea OK. We are at home. Again. Given that large parts of Europe and the U.S. are currently experiencing a second large wave of Covid-19 cases and that most European jurisdictions have reacted with more or less rigorous lockdown regulations, one wonders about the effects of these regulations on social distancing compared to the … Read more Global Lockdown Effects on Social Distancing: A Graphical Primer

The Mathematics and Statistics of Infectious Disease Outbreaks

Abstract: Slides, R code and video lectures of our 2020 The Mathematics and Statistics of Infectious Disease Outbreaks summer course at Stockholm University are made available to a wider audience. This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. The markdown+Rknitr source code of this blog is available under a GNU General … Read more The Mathematics and Statistics of Infectious Disease Outbreaks

Deloitte Names Appsilon a Rising Star in the 2020 Fast 50 List

Appsilon is Named a Rising Star 2020 wasn’t easy on anyone, and it was a devastating year for many. Businesses of all types had to readjust the way they work and pivot their overall strategies in this new environment. The IT sector was one of the least affected by the COVID-19 crisis, but difficulties were … Read more Deloitte Names Appsilon a Rising Star in the 2020 Fast 50 List

Why R Webinar – Satellite imagery analysis in R

[This article was first published on http://r-addict.com, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don’t. Today at Why R? Webinars we will have a chance to host Ewa … Read more Why R Webinar – Satellite imagery analysis in R

How California Uses Shiny in Production to Fight COVID-19

[This article was first published on RStudio Blog, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don’t. Short term forecast from the California COVID Assessment Tool (CalCAT) “Things move … Read more How California Uses Shiny in Production to Fight COVID-19