topsis package for MCDM problems
for: Project-1 (UCS633) submitted by: Katinder Kaur Roll no: 101703283 Group: 3COE13
topsis-3283 is a Python library for dealing with Multiple Criteria Decision Making(MCDM) problems by using Technique for Order of Preference by Similarity to Ideal Solution(TOPSIS).
Use the package manager pip to install topsis-3283.
pip install topsis-3283
Enter csv filename followed by .csv extentsion, then enter the weights vector with vector values separated by commas, followed by the impacts vector with comma separated signs (+,-)
topsis sample.csv "1,1,1,1" "+,-,+,+"
or vectors can be entered without " "
topsis sample.csv 1,1,1,1 +,-,+,+
But the second representation does not provide for inadvertent spaces between vector values. So, if the input string contains spaces, make sure to enclose it between double quotes (" ").
To view usage help, use
A csv file showing data for different mobile handsets having varying features.
|Model||Storage space(in gb)||Camera(in MP)||Price(in $)||Looks(out of 5)|
weights vector = [ 0.25 , 0.25 , 0.25 , 0.25 ]
impacts vector = [ + , + , - , + ]
topsis sample.csv "0.25,0.25,0.25,0.25" "+,+,-,+"
TOPSIS RESULTS ----------------------------- P-Score Rank 1 0.534277 3 2 0.308368 5 3 0.691632 1 4 0.534737 2 5 0.401046 4
- The first column and first row are removed by the library before processing, in attempt to remove indices and headers. So make sure the csv follows the format as shown in sample.csv.
- Make sure the csv does not contain categorical values
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