Results based on different criteria for models comparison (TS model = our approach, MA model = Memetic Algorithm model by Ramli (2004) and HG model = manual approach).
|Criteria||Measurements||TS model||MA model||HG model|
|Coverage||1. Minimum coverage requirement met.||Yes||Yes||Yes|
|2. Balanced coverage provided.||Moderate||Moderate||No|
|Quality||1. Equalization of night shift rotation among staff.||Fair||Fair||Fair|
|2. Equalization of other shifts distribu- tions in particular period.||Moderate||Moderate||Not fair|
|3. Violation of not more than six days work stretch.||No||No||Yes|
|4. Violation of circadian ordering.||No||No||Yes|
|5. Existence of single day work stretch.||No||No||Yes|
|6. Ability to assign public holidays in their designated week or the follow- ing week.||Yes||Yes||No|
|Flexibility||1. Adapting to change in staffing level.||Easy||Easy||Moderate|
|2. Privilege to have choice in selecting final roster as wanted||Yes||Yes||No|
|Cost||1. The required to construct a roster||About 1 minute||About 12 minutes||3-8 hours|
|2. Category of staff required to con- struct the roster||Any senior staff||Any senior staff||Head nurse/ Assistant|
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