expand.grid {base} | R Documentation |
Create a Data Frame from All Combinations of Factors
Description
Create a data frame from all combinations of the supplied vectors or factors. See the description of the return value for precise details of the way this is done.
Usage
expand.grid(...)
Arguments
... |
Vectors, factors or a list containing these. |
Value
A data frame containing one row for each combination of the supplied factors. The first factors vary fastest. The columns are labelled by the factors if these are supplied as named arguments or named components of a list.
Author(s)
B.D. Ripley
Examples
expand.grid(height = seq(60, 80, 5), weight = seq(100, 300, 50),
sex = c("Male","Female"))