Translate a standard formula into a NSGEV formula.
transFormula(formula, parnm)
The formula to be translated.
The name of the parameter to use, i.e. "mu,""sigma" or "xi".
A formula with the parameters displayed, suitably named. The parameter names are attached to the result as an attribute.
transFormula(~time, parnm = "mu")
#> ~mu_0 + mu_time * time
#> attr(,"parNames")
#> [1] "mu_0" "mu_time"
#> <environment: 0x558202dba7a8>