Description Usage Arguments Value
Find initial parameter estimates for a 4PL model.
1 | FindInitialParms(x, y, trend, method.init, method.robust)
|
x |
Vector of dose levels |
y |
Vector of responses |
trend |
Indicator of whether the curve is a decreasing θ[3]<0
or increasing curve θ[3]>0. See |
method.init |
Method of obtaining initial values of the parameters. See
|
method.robust |
Parameter to select loss function for the robust estimation
method to be used to fit a model. See |
Initial parameter estimates of a 4PL model in the order of 'Upper asymptote', 'IC50', 'Slope' and 'Lower asymptote'.
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