Package 'topsis'

TOPSIS method for multiple-criteria decision making (MCDM)

Description

The Technique for Order of Preference by Similarity to Ideal Solution (TOPSIS) is a multiple-criteria decision making (MCDM) method.

Usage

topsis(decision = NULL, weights = NULL, impacts = NULL)

Arguments

decision	A numeric matrix with m rows for m alternatives and n columns for n criterions.
weights	A numeric vector with length equal to number of columns in decision matrix for weights of criterions.
impacts	A character vector of "+" and "-" signs for the way that each criterion influences on the alternatives.

Value

A data frame including elements

alt.row	Row number of alternatives in decision matrix.
score	TOPSIS score of alternatives.
rank	Rank of alternatives based on TOPSIS scores.

Author(s)

Mahmoud Mosalman Yazdi <[email protected]>

References

Yoon, K.P.; Hwang, C. (1995). _Multiple Attribute Decision Making: An Introduction_. California: SAGE publications.

Examples

d <- matrix(rpois(12, 5), nrow = 4)
w <- c(1, 1, 2)
i <- c("+", "-", "+")
topsis(d, w, i)

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