Prepare Error function for inclusion in RxODE
rxParseErr(x, base.theta, diag.xform = c("sqrt", "log", "identity"),
ret = "rx_r_", init = NULL)
error function
Base theta to start numbering add(.) and prop(.) from.
Diagonal form of variance parameters
Intenral return type. Should not be changed by the user...
Initilization vector
RxODE transformed text