FNF_paretoreturns the value of the probability density function of the Pareto distribution of parametersX0(here written asx0) andtatx,f(x;x0,t).F(x;x0,t) is defined by the expression
Fis defined for positive values ofx0 andt.
f(x;1,t)
Errors
FNF_paretocauses an HTBasic error if its arguments are not all of type REAL or if the value ofx0 ortis negative or zero.