doBy (version 0.4)

splitBy: Split a data frame

Description

This is essentially a wrapper for the 'split' function, - the important difference being that variables to order by can be given by a model formula.

Usage

splitBy(formula, data = parent.frame(), drop=FALSE)

Arguments

formula

The right hand side of a formula

data

A data frame

drop

Logical indicating if levels that do not occur should be dropped

Value

• A list of data frames

See Also

~~objects to See Also as help, ~~~

Examples

data(dietox)
splitBy(formula = ~Evit+Cu, data = dietox)