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MULTI-CRITERIA EVALUATION
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Multi-Criteria Evaluation (MCE) was performed in order to determine the most suitable locations for four specific studio types: Competitive, non-competitive, large, and small. This process was done using the decision wizard in IDRISI. The factors and the constraints were first defined within the module. Different weights were assigned to each of the nine factors while landuse and current studios were the constraints in the final analysis. The weights were determined using the analytical hierarchy process (AHP) which uses a pairwise comparison to determine factor weights. The table below is the AHP method used for competitive studios. |
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AHP method of pairwise comparison
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Using the AHP method for each of the four suitability analysis, different factor weights were determined. Below is a list of the different factors and their varying weights depending on the suitability criteria for the final output. These weights vary depending on the importance that was assigned based on intuition and background research. |
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| Factors |
Competitive |
Non-competitive |
Large Studio |
Small Studio |
| Female Age |
0.3206 |
0.0151 |
0.0184 |
0.3442 |
| Bus Stops |
0.0511 |
0.1112 |
0.1174 |
0.0865 |
| Careers |
0.0202 |
0.0217 |
0.0390 |
0.0205 |
| Employment |
0.0907 |
0.0251 |
0.0404 |
0.0205 |
| Income |
0.2497 |
0.0464 |
0.0700 |
0.1800 |
| Population Density |
0.1478 |
0.3690 |
0.3640 |
0.0865 |
| Roads |
0.0680 |
0.1658 |
0.1410 |
0.0409 |
| Schools |
0.0304 |
0.0624 |
0.1907 |
0.0409 |
| Scottish |
0.0150 |
0.1832 |
0.0192 |
0.1800 |
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With these weights and the given constraints, MCE determines which areas are the most suitable for that the weightings given. The result is a a range, from 0 to 255, of areas that match the criteria. The higher the values at a given area, the more suitable that location is for the development of the new studio. In the case below, for competitive studio locations, the red polygons are those areas which provided the best locations. |
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MCE result for competitive studio locations
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