Topsis-Garv-102203753 0.1

A Python package implementing TOPSIS method for MCDM

TOPSIS Implementation by Garv

A Python package that implements the Technique for Order of Preference by Similarity to Ideal Solution (TOPSIS) method.

Submitted by: Garv Roll Number: 102203753

Installation

pip install Topsis-Garv-102203753

Usage

From command line:

topsis input.csv "1,1,1,2" "+,+,-,+" output.csv

From Python:

from topsis import calculate_topsis
calculate_topsis("input.csv", "1,1,1,2", "+,+,-,+", "output.csv")

Input Format

1. Input file must be a CSV file with 3 or more columns
2. First column is the object/variable name
3. From 2nd column onwards should contain only numeric values
4. Weights should be comma-separated numbers (e.g. "1,1,1,2")
5. Impacts should be comma-separated +/- symbols (e.g. "+,+,-,+")

Output

The program will create a result CSV file containing:

• All columns from input file
• Two additional columns: 'Topsis Score' and 'Rank'

Error Handling

The program will check for:

• Correct number of parameters
• File existence
• Input file format
• Number of weights/impacts matching number of criteria
• Valid impact symbols (+/-)

License

© 2024 Garv This project is licensed under the MIT License - see the LICENSE file for details.