duncan function

Multiple comparison: Duncan test

duncan Performs the test of Duncan for multiple comparison of means.

duncan(y, trt, DFerror, SSerror, alpha = 0.05, group = TRUE, main = NULL)

Arguments

• y: Numeric or complex vector containing the response variable.
• trt: Numeric or complex vector containing the treatments.
• DFerror: Error degrees of freedom.
• SSerror: Error sum of squares.
• alpha: Significance level.
• group: TRUE or FALSE.
• main: Title.

Returns

Returns the multiple comparison of means according to the test of Duncan.

Author(s)

Eric B Ferreira, eric.ferreira@unifal-mg.edu.br

Denismar Alves Nogueira

Portya Piscitelli Cavalcanti