Research Article
Hierarchizing the Product Characteristics of Industrial Plain Sewing Machine for Making Best Purchase Decision
Table 7
Hierarchy matrix with relative weight (eigenvector).
| ā | Table lamp | Durability | Less cost | Less noise | Maximum speed | Warranty period | Automatic and constant lubrication system | Flexibility of pressure foot lever | Thread tension regulator | Separate servo motor | nth root value | Eigenvector |
| Table lamp | 1.00 | 0.33 | 0.20 | 0.33 | 0.20 | 1.00 | 0.11 | 0.20 | 0.20 | 0.11 | 0.27 | 0.02 | Durability | 3.00 | 1.00 | 5.00 | 1.00 | 0.33 | 3.00 | 0.20 | 0.14 | 0.20 | 0.20 | 0.66 | 0.05 | Less cost | 5.00 | 0.20 | 1.00 | 1.00 | 0.11 | 1.00 | 0.20 | 0.14 | 0.20 | 0.14 | 0.39 | 0.03 | Less noise | 3.00 | 1.00 | 1.00 | 1.00 | 0.25 | 3.00 | 0.33 | 0.20 | 0.33 | 0.14 | 0.61 | 0.04 | Maximum speed | 5.00 | 3.00 | 9.00 | 4.00 | 1.00 | 7.00 | 1.00 | 0.33 | 0.20 | 0.20 | 1.48 | 0.10 | Warranty period | 1.00 | 0.33 | 1.00 | 0.33 | 0.14 | 1.00 | 0.14 | 0.11 | 0.14 | 0.11 | 0.29 | 0.02 | Autonomous and constant lubrication system | 5.00 | 5.00 | 5.00 | 3.00 | 1.00 | 7.00 | 1.00 | 1.00 | 1.00 | 0.33 | 1.97 | 0.14 | Flexibility of pressure foot lever | 5.00 | 7.00 | 7.00 | 5.00 | 3.00 | 9.00 | 1.00 | 1.00 | 1.00 | 1.00 | 2.83 | 0.20 | Thread tension regulator | 5.00 | 5.00 | 5.00 | 3.00 | 5.00 | 7.00 | 1.00 | 1.00 | 1.00 | 1.00 | 2.58 | 0.18 | Separate servo motor | 9.00 | 5.00 | 7.00 | 7.00 | 5.00 | 7.00 | 3.00 | 1.00 | 1.00 | 1.00 | 3.44 | 0.24 | Column sum | 42.00 | 27.86 | 41.20 | 25.66 | 16.03 | 46.00 | 7.98 | 5.12 | 5.27 | 4.23 | 14.52 | ā |
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