Freight Demand Distribution in a Suburban Area: Calibration of an Acquisition Model with Floating Car Data

Table 2

Aggregated data on socioeconomic attributes (for model calibration).

Attribute	Units of measurement	Study area	Zone
			Average	Coefficient of variation
Number of commercial establishments	Number	129.00	7.59	0.95
Surface of commercial establishments	m^2	40 249.00	2 367.59	0.94
Number of households	Number	28 021.00	1 470.59	0.67
Population	Number	72 222.00	3 842.00	0.72
Population density	Number/km^2	105.32	105.32	0.96
Retail employees	Number	2 314.00	136.12	0.95
Wholesaler employees	Number	882.00	51.88	1.20
Total commercial employees	Number	2 415.00	218.29	1.13
Total employees	Number	14 271.00	813.12	1.10
Retail employment density	Number/km^2	12.78	12.78	1.56
Wholesale employment density	Number/km^2	4.70	4.70	1.59
Commercial employment density	Number/km^2	16.19	16.19	1.15
Total employment density	Number/km^2	64.34	64.34	1.30