Topsis-102003592-Bhavna 0.5

Evaluation of alternatives based on multiple criteria using TOPSIS method.

Topsis_102003592_Bhavna

TOPSIS - Multiple Criteria Decision Making

Submitted By: Bhavna Goyal - 102003592.

Type: Package.

Title: TOPSIS method for multiple-criteria decision making (MCDM).

Version: 0.5.

Date: 21-01-2023.

Author: Bhavna Goyal.

Maintainer: Bhavna Goyal [e-mail].

Description: Evaluation of alternatives based on multiple criteria using TOPSIS method..

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What is TOPSIS?

Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) originated in the 1980s as a multi-criteria decision making method. TOPSIS chooses the alternative of shortest Euclidean distance from the ideal solution, and greatest distance from the negative-ideal solution.

How to install this package:

>> pip install Topsis_102003592_Bhavna

In Command Prompt

>> topsisbhav data.csv "1,1,1,1" "+,+,-,+" result.csv

Input file (data.csv)

Attribute	Price or cost	Storage Space	Camera	Looks
Mobile 1	250$	16GB	12MP	5
Mobile 2	200$	16GB	8MP	3
Mobile 3	300$	32GB	16MP	4
Mobile 4	275$	32GB	8MP	4
Mobile 5	225$	16GB	16MP	2

Weights (weights) is not already normalised will be normalised later in the code.

Information of benefit positive(+) or negative(-) impact criteria should be provided in impacts.

Output file (result.csv)

Attribute	Price or cost	Storage Space	Camera	Looks	Topsis_score	Rank
Mobile 1	250$	16GB	12MP	5	0.4228	4
Mobile 2	200$	16GB	8MP	3	0.4635	3
Mobile 3	300$	32GB	16MP	4	0.5097	2
Mobile 4	275$	32GB	8MP	4	0.3772	5
Mobile 5	225$	16GB	16MP	2	0.6871	1

The output file contains columns of input file along with two additional columns having *Topsis_score* and *Rank*