File Exchange

image thumbnail

Welch-Satterwhaite equation

version (983 Bytes) by Joris Meurs
Calculating the degrees of freedom according to the Welch-Satterthwaite equation

1 Download

Updated 28 Mar 2016

View Version History

View License

File name : 'WelchSatterthwaite.m'. This file can be used
for calculating the degrees of freedom for a
Student's t-distribution according to the Welch-Satterthwaite equation
Four input values : 'std1', 'st2', 'n1', 'n2'
One output value: 'df'
std1: Standard deviation of group 1
std2: Stanard deviation of group 2
n1: Number of arguments group 1
n2: Number of arguments group 2
df : Degrees of freedom
Developed by Joris Meurs BASc (2016)

Cite As

Joris Meurs (2021). Welch-Satterwhaite equation (, MATLAB Central File Exchange. Retrieved .

Comments and Ratings (1)

Rusty Burch

Thanks! Helpful. Suggest adding in the t-statistic calculation. t = mean1 - mean2/sqrt(etc)

MATLAB Release Compatibility
Created with R2014b
Compatible with any release
Platform Compatibility
Windows macOS Linux

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!