Topsis-Ashpreet-102303263 1.0.2

No project description provided

TOPSIS Command Line Tool

By Ashpreet Singh (Roll No: 102303263)

This Python package implements the TOPSIS (Technique for Order Preference by Similarity to Ideal Solution) method for solving Multi-Criteria Decision Making problems.

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Installation

pip install Topsis-Ashpreet-102303263

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Input File Format

First column: Alternatives
Remaining columns: Numeric criteria

Example CSV:

Model	Storage	Camera	Price	Looks
M1	16	12	250	5
M2	16	8	200	3
M3	32	16	300	4
M4	32	8	275	4
M5	16	16	225	2

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Weights and Impacts

Weights vector: 0.25,0.25,0.25,0.25

Impacts vector: +,+,-,+

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Command Line Usage

topsis

Example:

topsis sample.csv "0.25,0.25,0.25,0.25" "+,+,-,+" result.csv

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Output File Example

Result CSV will contain Topsis Score and Rank:

Model	Score	Rank
M1	0.534	3
M2	0.308	5
M3	0.692	1
M4	0.535	2
M5	0.401	4

Higher score means better alternative.

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Error Handling

Program validates:

File existence
Numeric values
Correct weights count
Correct impacts
Invalid symbols

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Conclusion

TOPSIS helps rank alternatives based on multiple criteria and is useful in decision-making problems.