Table 1 Sets, parameters, and variables of the OPA method34.
From: A fuzzy based hybrid approach for risk assessment of anesthesiologists using OPA and EDAS methods
Sets | |
|---|---|
I | Set of experts \(\:\forall\:\text{i}\in\:\text{I}\) |
J | Set of attributes \(\:\forall\:\text{j}\in\:\text{J}\) |
K | Set of alternatives \(\:\forall\:\text{k}\in\:\text{K}\) |
Indexes | |
\(\:i\) | Index of the experts \(\:(1,\dots\:,p)\) |
\(\:j\) | Index of preference of the attributes \(\:(1,\dots\:,n)\) |
\(\:k\) | Index of the alternatives \(\:(1,\dots\:,m)\) |
Variables | |
Z | Objective function |
\(\:{W}_{ijk}^{r}\) | Weight (importance) of \(\:k\) th alternative based on \(\:j\) th attribute by ith expert at \(\:r\) th rank |
\(\:{A}_{ijk}^{\text{r}}\) | The \(\:k\) th alternative based on attribute \(\:j\) by expert \(\:i\) at rank \(\:r\) |
