https://github.com/steviecurran/z-from-p

C code to convert Z-value (significance) to p-value
https://github.com/steviecurran/z-from-p

probability significance-testing statistics

Last synced: about 2 months ago
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C code to convert Z-value (significance) to p-value

• Host: GitHub
• URL: https://github.com/steviecurran/z-from-p
• Owner: steviecurran
• Created: 2024-06-05T00:59:44.000Z (7 months ago)
• Default Branch: main
• Last Pushed: 2024-06-05T23:14:21.000Z (7 months ago)
• Last Synced: 2024-06-06T02:27:26.267Z (7 months ago)
• Topics: probability, significance-testing, statistics
• Language: C
• Homepage:
• Size: 8.79 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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# Z-from-p

C code to convert Z-value (significance) to p-value 

Saves the need for looking up a standard normal Z-table, which is likely only to go up to Z = 3.49, or a two-sided probability p > 0.000483 (calculated from this code).

E.g. Enter Z-value [sigma]: 6.5

One-sided probability, p = 4.01e-11

Two-sided probability, p = 8.03e-11

Python version at https://github.com/steviecurran/Z-value, but this is only accurate to p > 1e-5 [Z < 4.1σ]