Information Technology for Management: Current Research and Future Directions by Ewa Ziemba

Author:Ewa Ziemba
Language: eng
Format: epub
ISBN: 9783030433536
Publisher: Springer International Publishing

18

A1939

0.8357937

0.02

0.2

1

1

2

10.7

0.702645263

19

A3833

0.8350406

0.01

0.3

2

2

1

8.6

0.888175447

20

A2020

0.8347077

0.02

0.2

3

2

1

10.8

0.70594619

The analysis of Fig. 2 allows to see how the scores of each strategy are affected by the increase of weight of each criteria. For example, it can be observed that the leading alternative A1914 is supported by criteria Par1, Par3, Par4, Par5 and Eff6, i.e. its score raises along with the raise of the importance of each of these criteria. On the other hand, if more importance was given to the Par2 or Eff7 criteria, the score of strategy A1914 would decrease. The CCi sensitivity chart allows also to see how much each criterion supports or conflicts each alternative. For example, Fig. 2C shows that the increase of weight of Par3 decreases the score of both strategies A1933 and A2020. If the weights of all criteria are equal, the strategy A1933 is ranked 17 and A2020 is ranked 20. However, the raise of importance of criterion Par3 affects the strategy A1933 more than A2020, and in case of a 10% increase of the importance of Par3, the rank of strategy A1933 drop below the rank of strategy A2020.

On the other hand, Fig. 3 allows to easily track how the ranks of the strategies change along with changes of weights of individual criteria. It can be clearly observed that the rank of the leading strategy A1914 is very stable and only considerable changes of Eff7 criterion weight can result in change of its rank from 1 to 9 (see Fig. 3G). Furthermore, Fig. 3A and E show that in case of considerable changes of weights of criteria Par1 and Par5, the strategies from the bottom of the top-20 list would be replaced by strategies previously outside of the top-20 list.

Fig. 2.Sensitivity analysis for the CCi values fot the top 20 strategies for the synthetic network scenario maximizing coverage and minimizing duration

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