https://github.com/cjabradshaw/samebirthdayshiny

Probability two people in a group share the same birthday
https://github.com/cjabradshaw/samebirthdayshiny

mathematics probability statistics

Last synced: 4 months ago
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Probability two people in a group share the same birthday

• Host: GitHub
• URL: https://github.com/cjabradshaw/samebirthdayshiny
• Owner: cjabradshaw
• License: gpl-3.0
• Created: 2020-11-14T03:20:06.000Z (over 5 years ago)
• Default Branch: main
• Last Pushed: 2021-09-22T08:11:05.000Z (almost 5 years ago)
• Last Synced: 2025-09-10T03:06:42.684Z (10 months ago)
• Topics: mathematics, probability, statistics
• Language: R
• Homepage:
• Size: 89.8 KB
• Stars: 0
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# Probability two people in a group share the same birthday



R function to calculate the probability that two people within a group of a specified size share the same birthday

Prof Corey J. A. Bradshaw 


Global Ecology, Flinders University, Adelaide, Australia 


October 2020 


e-mail 


What's the probability that two people in a group share the same birthday? It will likely surprise you that the size of the group required for this probability to be high is much smaller than you think.

This Github repository provides all the 'under-the-bonnet' code for the Shiny App.