LN.2 is a convenience function for the log-normal model with lower limit fixed at 0
and upper limit fixed (default 1), corresponding to the classic probit model.
Arguments
- upper
numeric specifying the fixed upper horizontal asymptote. Default is 1.
- fixed
numeric vector of length 2 specifying fixed parameters (NAs for free parameters).
- names
character vector of parameter names.
- ...
additional arguments passed to
lnormal.
Value
A list (see lnormal).