Topsis-Saksham-102003039 1.0.0

Topsis package for Multiple Criteria Decision Making problems(MCDM) problems

Decision Making Using TOPSIS

By: Saksham Khetarpal Roll no: 102003039

Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) is a multi-criteria-based decision-making method. TOPSIS chooses the alternative of shortest the Euclidean distance from the ideal solution and greatest distance from the negative ideal solution.

Installation

Use the package manager pip to install Topsis-Saksham-102003039.

pip install Topsis-Saksham-102003039

Usage

Enter csv input filename followed by .csv extentsion, then enter the weights with values separated by commas, followed by the impacts with comma separated signs (+,-) and finally the name of the output file followed by .csv extension.

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

Example

A csv file showing data for different mobile handsets having varying features (input.csv).

Model	Storage Space(gb)	Camera(MP)	Price($)	Looks(out of 5)
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

weights = "1,1,1,1"

impacts ="+,+,-,+"

Input:

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

Output:

The output is a csv file (output.csv) with the following 2 columns appended to the original input file.

 Topsis Score  Rank
1   0.534277     3
2   0.308368     5
3   0.691632     1
4   0.534737     2
5   0.401046     4

License

MIT