binaries {lmreg}

Convert categorical variable to several binary variables

Description

Stacks up in columns the values of all the binary variables that can be associated with different levels of a categorical variable.

Usage

binaries(x)

Arguments

x

A categorical variable (either numeric or character).

Details

The name of each new variable is of the type v.x, where x is the level of the categorical variable for which this binary variable is equal to 1.

Value

A set of binary vectors, each having the value 1 for a unique level of x.

Author(s)

Debasis Sengupta <[e-mail]>, Jinwen Qiu <[e-mail]>

References

Sengupta and Jammalamadaka (2019), Linear Models and Regression with R: An Integrated Approach.

Examples

x <- c(1,2,2,3,1,1,2,3,3,2,1)
binaries(x)
binaries(as.factor(x))