Long time, no see: Virtual Lunch Roulette
When distributing individuals into groups every week for a virtual social mixer, e.g. using Zoom breakout rooms, it’s boring to end up in a group with someone, who you already met...continue reading.
Category: Rstats
Florence Nightingale’s “rose charts” (and others) in ggplot2
It’s been a while. I hope you are all well. Shall we make some charts? About this time last year, one of my life-long dreams came true when I was...continue reading.
Age-Structure Adjusted All-Cause Mortality
Abstract: This page is an updated version of the 2020-12-28 blog post Age Stratified All-Cause and COVID-19 Associated Mortality. The post considers the age stratified all-cause and COVID-19 associated mortality...continue reading.
Overcome the technical hurdles of your RStudio environment
We’re delighted to be sponsoring the rstudio::global conference this year. It’s a credit to the community that such events (including our own… The post Overcome the technical hurdles of your RStudio environment...continue reading.
Neighborhoods: Experimenting with Cyclic Cellular Automata
On candy stripe legs the Spiderman comes, softly through the shadow of the evening sun (Lullaby, The Cure) Cellular automata are an inmense source of artistical images. Today, I experimented...continue reading.
Age Stratified All-Cause and COVID-19 Associated Mortality
Abstract: We consider the age stratified all-cause and COVID-19 associated mortality in Germany during 2020 based on numbers provided by the Federal Statistical Office and the Robert Koch Institute. This...continue reading.
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....continue reading.
The history of autonomous vehicle datasets and 3 open-source Python apps for visualizing them
Special thanks to Plotly investor, NVIDIA, for their help in reviewing these open-source Dash applications for autonomous vehicle R&D, and Lyft for initial data visualization development in Plotly. Author: Xing...continue reading.
Risk Scoring in Digital Contact Tracing Apps
Abstract: We attempt a mathematical description of the risk scoring algorithm used in the Google and Apple exposure notification framework (v1). This algorithm is used in many digital contact tracing...continue reading.
{shinycssloaders} v1.0: You can now use your own image, plus 3 years’ worth of new features!
The {shinycssloaders} package is a handy little tool that lets you easily add loading animations to a Shiny output (a plot, a table, etc.) while it’s recalculating. It’s extremely easy...continue reading.
Abstractions
Spinning on that dizzy edge (Just Like Heaven, The Cure) This post talks about a generative system called Physarum model, which simulates the evolution of a colony of extremely simple...continue reading.
{shinydisconnect}: Show a nice message when a Shiny app disconnects or errors
Have you ever noticed how an error in your Shiny app looks very different when it happens locally (in RStudio on your laptop) compared to when it happens in production...continue reading.
Best Practices for Code Review: R Edition
A. What is Code Review? Code reviews are traditionally done in the context of a software development team that is building out a new product or feature. The goal is...continue reading.
Logging in R: Why, When, and How
Anyone who is writing R code should get familiar with logging. While it may not be useful for writing exploratory scripts or doing basic coding projects, logging can be critical...continue reading.
funModeling: New site, logo and version ????
funModeling is focused on exploratory data analysis, data preparation and the evaluation of models. Check the latest functions and website here 🙂continue reading.
Integrate machine learning and big data into real-time business intelligence with Snowflake and Plotly’s Dash
Business intelligence (BI) is an indispensable tool for many, if not most, modern organizations. BI covers an entire gamut of end-to-end activities from data mining to reporting, all carried out...continue reading.
Superspreading and the Gini Coefficient
Abstract: We look at superspreading in infectious disease transmission from a statistical point of view. We characterise heterogeneity in the offspring distribution by the Gini coefficient instead of the usual...continue reading.
Understanding Word Embedding Arithmetic: Why there’s no single answer to “King - Man + Woman = ?”
Representing words in a numerical format has been a challenging and important first step in building any kind of Machine Learning (ML) system for processing natural language, be it for...continue reading.
Pattern-Matching Callbacks in Dash
📌 Learn about this feature in a special live webinar and AMA on May 7, 2020 at 1pm EDT with Plotly’s CTO and cofounder, Alex Johnson. Written by: Alex Johnson, Plotly CTO Before...continue reading.
Customizable Dash front-ends for word2vec and NLP backends
“When is Mom’s birthday?” “Remind me to pick up flowers and a cake this afternoon.” “How do I get to the nearest flower shop?” “Find the best bakeries near me.”...continue reading.
