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# Decision Analysis for choosing airflight

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Decision Analysis for choosing airflight using:
1- Maxi-Max
2- Maxi-Min
3-SAW
4-TOPSIS

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### Decision Analysis for choosing airflight

1. 1. Evaluation Criterias• Price: price of the ticket for two way direction on a non-stop flight between X and Y.• Safty: the maintanace of airplanes, statues of them as well as crew experience to deal with any issues during the fligh.• Timming: by the mean of waitting the airplane, how exact the plane take off according to the given time, as well as the time for take off such that if it is at night or the daylıght.• Service: covering all services provided by he airlines such as : food, hospitality, assistance and he way they are dealing with the customers.
2. 2. Evaluation Methods• Noncompansatory methods:1. Maxi-Max method.2. Maxi-Min method.• Compansatory methods:1. Simple Additive weighting (SAW).2. Technique for Order Preference by Similarity to Ideal Solution (TOPSIS).• And for the compansatory methods, in according to find the weighs, ENTROPY method has been used.
3. 3. DATA Cost Benefit Price Safty Timming ServiceA1 1034 100 95 80A2 1566 80 90 90A3 1000 50 65 50A4 1580 80 95 100
4. 4. Results from Maxi-Max Normalized Data Maxi-MaxA1 0.390316 0.628695 0.545087 0.486864 0.628695A2 0.591137 0.502956 0.516398 0.547723 0.591137A3 0.377482 0.314347 0.372954 0.30429 0.377482A4 0.596421 0.502956 0.545087 0.608581 0.608581•The best alternative is A1with the following attributes: Price Safty Timming Service A1 A1 1034 100 95 80
5. 5. Results for Maxi-Min Normalized Data Maxi-MinA1 0.390316 0.628695 0.545087 0.486864 0.390316A2 0.591137 0.502956 0.516398 0.547723 0.502956A3 0.377482 0.314347 0.372954 0.30429 0.30429A4 0.596421 0.502956 0.545087 0.608581 0.502956•The best alternatives according to Maxi-Min are :•A2.•A4.With the following attributes: Price Safty Timming Service A2 1566 80 90 90 A4 1580 80 95 100
6. 6. Weights by ENTROPY method Price Safty Timming ServiceEj 0.983205 0.979857 0.992048 0.978777399dj 0.016795 0.020143 0.007952 0.021222601 0.066112737wj 0.25404 0.304669 0.120285 0.321006232 1
7. 7. Results By SAWData normalized by using Vector normalization A1 Best Alternative 0.9274 Second A4 alternative 0.8458 A2 Third alternative 0.8088 A3 Last Alternative 0.6492
8. 8. Results by TOPSIS Weighted Normalized Ratings Price Safty Timming ServiceA1 0.099156 0.191544 0.06557 0.15629A2 0.150172 0.153235 0.06211 0.17582A3 0.095895 0.095772 0.04486 0.09768A4 0.151515 0.153235 0.06557 0.19536
9. 9. Results By TOPSIS S* S- C*A1 0.039207 0.125608 0.76211 Select A1A2 0.069333 0.098529 0.58696A3 0.138355 0.055619 0.28674A4 0.067536 0.115204 0.63043