dfSatterthwaite {equivalenceTest}

Compute the Satterthwaite approximation of degree of freedom for t distribution

Description

Compute the Satterthwaite approximation of degree of freedom for t distribution.

Usage

dfSatterthwaite(s1, n1, n1s, s2, n2, n2s)

Arguments

s1

sample standard deviation for group 1

n1

sample size for group 1

n1s

adjusted sample size for group 1

s2

sample standard deviation for group 2

n2

sample size for group 2

n2s

adjusted sample size for group 2

Value

degree of freedom