Topsis-RohanMalhotra-102303437 1.0.0

TOPSIS implementation (CLI)

TOPSIS Python Package (Assignment)

Package name on PyPI: Topsis-RohanMalhotra-102303437

What this package does

This package implements TOPSIS (Technique for Order Preference by Similarity to Ideal Solution) and provides a command-line interface.

Input format

Input must be a CSV with:

• 1st column: Alternative name/ID (string)
• 2nd to last columns: numeric criteria columns

Example:

Fund Name,P1,P2,P3,P4,P5
M1,0.67,0.45,6.5,4.2,16.58
M2,0.60,0.36,6.3,5.3,14.47

Install (after you upload to PyPI)

pip install Topsis-RohanMalhotra-102303437

Run from command line

topsis <InputDataFile> <Weights> <Impacts> <OutputResultFileName>

Example:

topsis data.csv "1,1,1,1,1" "+,+,-,+,+" output.csv

Output

The output CSV will contain all input columns plus:

• Topsis Score
• Rank (1 = best)

Common errors (as required)

• Wrong number of parameters
• Input file not found
• Less than 3 columns
• Non-numeric values in criteria columns
• Number of weights/impacts not equal to number of criteria
• Impacts not in + or -
• Weights/impacts not comma separated