Topsis:-MULTIPLE-CRITERIA DECISION MAKING

TOPSIS

Submitted By: TARUNA JAIN 102003464.

Date: 21-JAN-2023.

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 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_Taruna_102003464

In Command Prompt

>> topsis123 data.csv "1,1,1,1," "+,+,-,+" result.csv

Input file (data.csv)

The decision matrix should be constructed with each row representing a Model alternative, and each column representing a criterion like Price or cost, Storage Space, Camera, Looks, and many more.

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**