32.1.52 DoseRespEC

Function

\(y =A_1 + \frac{A_2 - A_1}{10^{p(\text{LogEC50 - x})+1}} \)
\(\text{where LogEC50 = LogECF} - \frac{\text{log10}(F/(100-F))}{p} \)

Brief Description

Dose-response curve with variable Hill slope and EC at any percent.

Sample Curve

Parameters

Number: 5

Names: LogECF, F, A1, A2, p

Meanings: LogECF= Logarithm of EC for percent F, F=Percent of response for EC, A1=Bottom asymptote, A2=Top asymptote, p=Hill slope

Lower Bounds: F>0

Upper Bounds: F<100

Derived Parameters

ECF=10^LogECF

Span=A2 - A1

Script Access

nlf_DoseRespEC(x,LogECF,F,A1,A2,p)

Function File

DoseRespEC.fdf

Category

Dose Response