Decision Analysis For Choosing

An Air Flight Ticket

Mo`tasem Abushanap

Evaluation Criteria's

• 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.

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.

DATA

Cost Benefit

Price Safty Timming Service

A1 1034 100 95 80

A2 1566 80 90 90

A3 1000 50 65 50

A4 1580 80 95 100

Results from Maxi-Max

Normalized Data Maxi-Max

A1 0.390316 0.628695 0.545087 0.486864 0.628695

A2 0.591137 0.502956 0.516398 0.547723 0.591137

A3 0.377482 0.314347 0.372954 0.30429 0.377482

A4 0.596421 0.502956 0.545087 0.608581 0.608581

Price Safty Timming Service

A1 A1 1034 100 95 80

•The best alternative is A1with the following attributes:

Results for Maxi-Min

Normalized Data Maxi-Min

A1 0.390316 0.628695 0.545087 0.486864 0.390316

A2 0.591137 0.502956 0.516398 0.547723 0.502956

A3 0.377482 0.314347 0.372954 0.30429 0.30429

A4 0.596421 0.502956 0.545087 0.608581 0.502956

Price Safty Timming Service

A2 1566 80 90 90

A4 1580 80 95 100

•The best alternatives according to Maxi-Min are :•A2.•A4.With the following attributes:

Weights by ENTROPY method

Price Safty Timming Service

Ej 0.983205 0.979857 0.992048 0.978777399

dj 0.016795 0.020143 0.007952 0.021222601 0.066112737

wj 0.25404 0.304669 0.120285 0.321006232 1

Results By SAW

A1 Best Alternative 0.9274

A4Second

alternative 0.8458

A2 Third alternative 0.8088

A3 Last Alternative 0.6492

Data normalized by using Vector normalization

Results by TOPSIS

Weighted Normalized Ratings

  Price Safty Timming Service

A1 0.099156 0.191544 0.06557 0.15629

A2 0.150172 0.153235 0.06211 0.17582

A3 0.095895 0.095772 0.04486 0.09768

A4 0.151515 0.153235 0.06557 0.19536

Results By TOPSIS  S* S- C*

A1 0.039207 0.125608 0.76211 Select A1

A2 0.069333 0.098529 0.58696

A3 0.138355 0.055619 0.28674

A4 0.067536 0.115204 0.63043

Questio

ns