kierandriscoll/gists

Gists and code snippets

Gists and code snippets

R

• Set working directory to path of current script
• Storing values in the system environment

Packages

• Automatically install and load a list of packages
• Install a package from Git using {remotes}
• Install packages in a virtual environment

Efficiency

• source multiple custom scripts/functions

Wrangling

• Template for grouping/summarising data with {data.table}
• String replacements using sets - ie. all digits or all punctuation
• Iteratively append objects to a List

Webscraping & API's

• Automatically download (and unzip) an online file
• Template for a basic API request
• Scraping tag content from a website using {xml2} and {rvest}

Shiny

• Display console message in a Shiny App using withCallingHandlers() and {shinyjs}

Python

• Install packages in a virtual environment