R

Securing and monitoring ShinyProxy deployment of R Shiny apps

This post provides a guide to secure ShinyProxy with Nginx, Certbot and AWS Cognito, and monitor usage statistics with InfluxDB, Telegraf and Grafana.

Simulating Coronavirus Outbreak in Cities with Origin-Destination Matrix and SEIR Model

This is a step-by-step guide on simulating and visualising the spread of coronavirus in the Greater Tokyo Area based on Origin-Destination Matrix and SEIR Model with R.

Creating Bar Charts with Baselines Using Customised Shapes in Plotly

A quick demonstration of adding customised shapes to bar charts in Plotly with R.

Deploying R Shiny apps using ShinyProxy on Windows 10

This post provides a guide to use ShinyProxy, an open-source tool with enterprise features, to deploy R Shiny apps.

Dplyr Functions with String

A trick to use string as arguments in dplyr functions

Cache Time-consuming Computations in R

Quick demonstration of caching time-consuming computations in R