degrees of freedom
The number of degrees of freedom of a distribution^{} (http://planetmath.org/Distribution3) is the number of parameters that are used to the value of the distribution and are either known or assumed to be independent.
The following use degrees of freedom:
 •
 •

•
F distribution
 •

•
t distribution
Remark: The number of degrees of freedom has also a physical meaning related to the possible directions of motion of the system.
Title  degrees of freedom 

Canonical name  DegreesOfFreedom 
Date of creation  20130322 17:10:53 
Last modified on  20130322 17:10:53 
Owner  Wkbj79 (1863) 
Last modified by  Wkbj79 (1863) 
Numerical id  7 
Author  Wkbj79 (1863) 
Entry type  Definition 
Classification  msc 60E05 
Classification  msc 62A01 