checkIfValidDummyVariable {reproducer}

checkIfValidDummyVariable

Description

This helper function checks whether a vector variable comprises only zeros and 1's.

Usage

checkIfValidDummyVariable(vector)

Arguments

vector

Vector variable

Value

The logical value: TRUE - if a vector variable passed as the function's parameter represents a valid dummy variable, i.e., comprises only zeros and 1's. FALSE - if a vector variable passed as the function's parameter does not represent a valid dummy variable.

Author(s)

Barbara Kitchenham and Lech Madeyski

Examples

print(reproducer:::checkIfValidDummyVariable(c(0, 1, 0, 0)))
# [1] TRUE
print(reproducer:::checkIfValidDummyVariable(c(0, 1, 2, 0)))
# [1] FALSE