scrime (version 1.3.7)

identifyMonomorphism: Identification of Constant Variables

Description

Identifies the rows of a matrix that only show one level.

Usage

identifyMonomorphism(x)

Value

Numeric vector containing the rows of x showing only one level.

Arguments

x

a matrix consisting of integers between 1 and \(n_{cat}\), where \(n_{cat}\) is the number of levels the variables in x can take. Each row of x is assumed to represent one variable. Missing values are allowed.

Author

Holger Schwender,

Examples

if (FALSE) {
# Generate a data set consisting of 10 rows and 15 columns,
# where the values are randomly drawn from the integers 1, 2, and 3,
# and row 3 and 7 consist only of one level.

mat <- matrix(sample(3, 2000, TRUE), 10)
mat[3, ] <- 1
mat[7, ] <- 2

identifyMonomorphism(mat)

}