apply.GRA: Apply Grey Relational Analysis (GRA) method

In RMCDA: Multi-Criteria Decision Analysis

Apply Grey Relational Analysis (GRA) method

Description

Apply Grey Relational Analysis (GRA) method

Usage

apply.GRA(mat, weights, beneficial.vector, epsilon = 0.5)

Arguments

mat	is a matrix containing the values for different properties of different alternatives
weights	are the weights of each property in the decision-making process
beneficial.vector	is a vector containing the column numbers of beneficial properties. Non-beneficial properties are assumed to be the remaining columns.
epsilon	is a parameter for the GRA method, default is 0.5

Value

a vector containing the calculated GRA scores

Examples

mat <- matrix(c(80, 60, 90,
                75, 85, 95,
                70, 65, 85,
                60, 75, 80),
              nrow = 4, byrow = TRUE)
colnames(mat) <- c("Criterion 1", "Criterion 2", "Criterion 3")
weights <- c(0.4, 0.3, 0.3)
beneficial.vector <- c(1, 2, 3)
apply.GRA(mat, weights, beneficial.vector)

RMCDA documentation built on June 8, 2025, 11:14 a.m.