CVaR2 Deviation, which is an element of CVaR (Superquantile) quadrangle (see [1])

 

Syntax

cvar2_dev(α, matrix)

short call

cvar2_dev_name(α, matrix)

call with optional name

 

Parameters

       is a confidence level.

 

matrix        is a Matrix of Scenarios:

       

where the header row contains names of variables (except scenario_probability, and scenario_benchmark). Other rows contain numerical data. The scenario_probability, and scenario_benchmark columns are optional.

 

Mathematical Definition

CVaR2 Deviation function is calculated as follows:

,

where

is CVaR2 Risk function,

is Average function.

 

Example

Calculation in Run-File Environment
Calculation in MATLAB Environment

 

References

[1] Rockafellar,R. T. , Royset, J. O., and S. I. Miranda (2014): Superquantile Regression with Applications to Buffered Reliability, Uncertainty Quantification and Conditional Value-at-Risk. European J. Operations Research 234 (2014), 140-154.

 

See also

CVaR, CVaR Deviation

CVaR2 Risk, CVaR2 Error