A Classification Model to Evaluate the Security Level in a City Based on GIS-MCDA

Table 1

Criteria used with descriptive values.

Criterion	Maximum value	Minimum value	Mean	Standard deviation	Preference	Definition
Income, R (by person)	1863.64	86.15	378.66	400	Gain	The lower the income of the person the greater the chances of the person committing a crime
Gini index	0.72	0.40	0.52	0.05	Cost	Measuring the distribution of the income; if less, then people have equal distribution
Infrastructure (bathroom and piped water%)	99.59	48.53	83.57	12.40	Gain	The precarious condition makes the place prone to crime
Education (years)	13	4	7.36	2.36	Gain	The better education conditions decrease the chances of people getting involved in crime
Demographic density per km^2	28422	355	12390	6617	Cost	The population increase makes the environment more propitious for making off after the crime

For each US1.00 equal R3.80.