왜곡 함수

Distortion function

A distortion function in mathematics and statistics, for example, , is a non-decreasing function such that and . The dual distortion function is 왜곡 기능은 왜곡 위험 조치를 정의하기 위해 사용된다[1][2][2]

Given a probability space , then for any random variable and any distortion function we can define a new probability measure such that for any 뒤에 다음이 있음

[1]

참조

  1. ^ a b Balbás, A.; Garrido, J.; Mayoral, S. (2008). "Properties of Distortion Risk Measures". Methodology and Computing in Applied Probability. 11 (3): 385. doi:10.1007/s11009-008-9089-z. hdl:10016/14071.
  2. ^ a b Julia L. Wirch; Mary R. Hardy. "Distortion Risk Measures: Coherence and Stochastic Dominance" (PDF). Archived from the original (PDF) on July 5, 2016. Retrieved March 10, 2012.