Table 6. The correlation among anti-patterns groups.

Anti-patterns	Correlation coefficient (r)
Attributes and namespaces	−0.049
Attributes and operations	0.884
Attributes and associations	0.196
Attributes and classes	0.342
Namespaces and operations	−0.060
Namespaces and associations	−0.121
Namespaces and classes	0.010
Operations and associations	0.345
Operations and classes	0.267
Associations and classes	0.070