Table 3 Summary of the principal components analysis results by planning zones
Planning zone | Principal components | Variables | % Variance explained | |
|---|---|---|---|---|
CBD | PC 1 | Demographic characteristics | POP_OV_65, female, NON_WT, mobile | 36.7 |
PC 2 | Household level economic status | MedHsValue, MEDHHINC | 18.0 | |
PC 3 | Urban vertical characteristics | Height_Avr, Height_Max | 11.4 | |
| Â | Total % variance explained = 66.1 | |||
Commercial | PC 1 | Demographic characteristics | POP_UR_18, female, TOT_HSUNT | 24.8 |
PC 2 | Household level economic status | MedHsValue, MEDHHINC | 12.6 | |
PC 3 | Urban vertical characteristics | Height_Avr, Height_Max | 11.9 | |
| Â | Total % variance explained = 49.2 | |||
Urban dwelling | PC 1 | Demographic characteristics | POP_UR_18, female, TOT_HSUNT | 22.7 |
PC 2 | Household level economic status | MedHsValue, MEDHHINC | 15.8 | |
PC 3 | Urban vertical characteristics | Height_Avr, Height_Max | 11.6 | |
| Â | Total % variance explained = 50.1 | |||
Suburban dwelling | PC 1 | Demographic characteristics | POP_UR_18, female, NON_WT, RENT | 24.4 |
PC 2 | Urban physical characteristics | Imperv, Height_Avr, Height_Max, Bldg_Ftpr | 14.5 | |
PC 3 | Household level economic status | MedHsValue, MEDHHINC | 12.5 | |
| Â | Total % variance explained = 51.3 | |||
Agricultural dwelling | PC 1 | Demographic characteristics | POP_UR_18, female, TOT_HSUNT | 28.0 |
PC 2 | Household level economic status | MedHsValue, MEDHHINC | 14.1 | |
PC 3 | Urban vertical characteristics | Height_Avr, Height_Max | 12.9 | |
| Â | Total % variance explained = 55.0 | |||
Industrial urban | PC 1 | Demographic characteristics | Female, TOT_HSUNT, Rent | 25.4 |
PC 2 | Urban biophysical characteristics | NDVI, Imperv | 16.1 | |
PC 3 | Urban vertical characteristics | Height_Avr, Height_Max | 12.9 | |
| Â | Total % variance explained = 54.4 | |||
Industrial suburban | PC 1 | Demographic characteristics | POP_UR_18, female, TOT_HSUNT | 30.0 |
PC 2 | Urban vertical characteristics | Height_Avr, Height_Max | 13.6 | |
PC 3 | Household level economic status | MedHsValue, MEDHHINC | 11.2 | |
| Â | Total % variance explained = 54.8 | |||
SE | PC 1 | Demographic characteristics | POP_UR_18, female, TOT_HSUNT | 31.6 |
PC 2 | Urban vertical characteristics | Height_Avr, Height_Max | 13.1 | |
| Â | Total % variance explained = 44.7 | Â | ||