AovSum: Analysis of variance with the contrasts sum (the sum of the...

In FactoMineR: Multivariate Exploratory Data Analysis and Data Mining

Analysis of variance with the contrasts sum (the sum of the coefficients is 0)

Description

Analysis of variance with the contrasts sum (the sum of the coefficients is 0)
Test for all the coefficients
Handle missing values

Usage

AovSum(formula, data, na.action = na.omit, ...)

Arguments

formula	the formula for the model 'y~x1+x2+x1:x2'
data	a data-frame
na.action	(where relevant) information returned by model.frame on the special handling of NAs.
...	other arguments, cf the function lm

Value

Retourne des objets

Ftest	a table with the F-tests
Ttest	a table with the t-tests

Author(s)

Francois Husson [e-mail]

See Also

aov, lm

Examples

## Example two-way anova
data(senso)
res <- AovSum(Score~ Product + Day , data=senso)
res

## Example two-way anova with interaction
data(senso)
res2 <- AovSum(Score~ Product + Day + Product : Day, data=senso)
res2

## Example ancova
data(footsize)
res3 <- AovSum(footsize ~ size + sex + size : sex, data=footsize)
res3

FactoMineR documentation built on May 29, 2024, 3:36 a.m.