Try to fit a logistic curve to MTT data

Function will try to fit a 4 parameter log-logistic function. Constraints: Y is bounded between 0 and 1.

Usage

mtt_model(data)

Arguments

data

a data.frame containing a div (dep var.) and drug (indep. var) column.

Value

A drc object

Details

If the model fails to fit the first time, it will try again without constraints