Symbols, Statistical
Symbols, Statistical :
σ(θ): Standard deviation of random variable θ; θ(a, b): The CMF for implementing 'a' instead of 'b'; ^: Caret above denotes 'estimate'; 
(theta with hat on top): An estimate of a CMF (i.e. what we expect to be the safety effect of doing 'a' instead of 'b' in some specific circumstances); E{θ}.: The mean value of a distribution of θ; θ (theta with bar on top): Estimated CMF for a future action; μ: Expected number of (target) crashes; a and b: Action (intervention, countermeasure, treatment, decision etc.); s{.}.: Standard error of {.}.; VAR{θ}.: Variance of the random variable θ
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