Rlab (version 4.0)

means: Computes one-way and two-way means tables

Description

Calculates means for individual factors and two-way factor combinations. Any number of factors may be input and the indivdual factor means as well as all possible two-way means will be shown for each factor. Three-way, four-way, etc. means are not shown, even when more than 2 factors are given.

Usage

means(y, ..., dec = 3)

Arguments

y

Vector of responses whose means are shown.

…

Vectors of independent variables on which the responses' means are broken down.

dec

Number of decimal places to print.

See Also

mplot, mean

Examples

# NOT RUN {
# Create a data set with two factors (age and gender)
race<-data.frame(c(1.02,.99,1.11,1.30,1.09,1.26,1.21,1.19,1.30,1.45,1.34,1.49),
                 c('M','M','M','M','M','M','F','F','F','F','F','F'),
                 c('under 50','under 50','under 50','over 50','over 50','over 50',
                   'under 50','under 50','under 50','over 50','over 50','over 50'))
names(race)<-c("time","gender","age")


# Show mean times broken by age, gender and age & gender
means(race$time, race$age, race$gender)
# }