Topsis-MedhaSharma-102217238-v02 0.5

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TOPSIS Package

This is a Python implementation of the TOPSIS (Technique for Order Preference by Similarity to Ideal Solution) method. It helps evaluate and rank alternatives based on multiple criteria.

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Installation

Install the package using pip:

pip install Topsis-MedhaSharma-102217238

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Verify Installation

After installation, verify it using:

pip show Topsis-MedhaSharma-102217238

This will show details about the installed package, including its version, dependencies, and other metadata.

Input File Requirements

File Format: The input file must be a .csv file.

Columns: The first column should contain the names of alternatives (e.g., M1, M2, M3). The remaining columns should contain numeric values for criteria.

Usage

After installation, you can run the program using the command line.

Syntax:

python -m topsis <input_file> <weights> <impacts> <result_file>

Example Command:

python -m topsis data.csv "1,1,2" "+,+,-" result.csv

Output File

The output file will contain:

All columns from the input file. Two additional columns: Topsis Score: The calculated score for each alternative. Rank: The rank of each alternative (1 = best).

Detailed Steps for Beginners

Prepare Your Input File:

1. Use a spreadsheet program (e.g., Excel) to create a .csv file.
2. Ensure the first column has names, and the rest have numeric data.

Run the Command:

1. Open the terminal in the directory where your input file is located.
2. Run the TOPSIS command as explained above.

View the Results:

Open the output file (result.csv) in any spreadsheet program.

Common Issues

I don't have Python installed:

Download Python from python.org and install it.

I get a ModuleNotFoundError:

Ensure the package is installed using pip install.

I see unexpected results:

1. Double-check the weights and impacts.
2. Ensure all criteria values are numeric.