---
name: "pcorre"
section: "3m"
platform: "linux"
package: "iraf"
version: "2.11.3-2"
release: "Debian 3.0 (Woody)"
platforms: ["linux"]
url: "https://new.carta.tech/pcorre"
---

# pcorre(3m)

## NAME

pcorre

## DESCRIPTION

function pcorre.f

source\
   Bevington, pages 124-125.

purpose\
   evaluate probability of no correlation between 2 variables

usage\
   result = pcorre (r, npts)

description of parameters\
   r      - linear correlation coefficient\
   npts   - number of data points

subroutines and function subprograms required\
   gamma (x)\
     calculates gamma function for integers and 1/2-integers