def: def

In LuchTiarna/PsyFuns: Package for extrapolating psychometric information

Description

Default algorithm for fitting parameters of psychometric function. Version of algorithm with fixed gamma parameter. Gamma has to be specifed.

Usage

def(data, sigmoid, core, par = NULL, fn = NULL, gr = NULL, ...,
  method = c("Nelder-Mead", "BFGS", "CG", "L-BFGS-B", "SANN", "Brent"),
  lower = -Inf, upper = Inf, control = list(), hessian = FALSE)

Arguments

data	Specifies the data set on which the function will be fitted. Data have to be formated in specified way - data.frame/tibble (yes, no, predictor columns).
sigmoid	determines the outer shape of the fuction
core	dermines scalling of predictor
...	specifies the parametres of optim function
gamma	sets the loves boundary of function

Value

vector of return values

LuchTiarna/PsyFuns documentation built on July 8, 2019, 12:28 a.m.