Table 3 Hjorth parameters

Hjorth activity

σ ²₀

Hjorth mobility

σ ₁/σ ₁

Hjorth Complexity

\( \sqrt {({{\sigma_{2} } \mathord{\left/ {\vphantom {{\sigma_{2} } {\sigma_{1} )^{2} }}} \right. \kern-0pt} {\sigma_{1} )^{2} }}} - \left( {{{\sigma_{1} } \mathord{\left/ {\vphantom {{\sigma_{1} } {\sigma_{0} }}} \right. \kern-0pt} {\sigma_{0} }}} \right)^{2} \)