Usage
isobole(object1, object2, exchange = 1, cifactor = 2, ename = "e",
xaxis = "100", xlab, ylab, xlim, ylim, ...)
Arguments
object1
object of class 'drc' where EC/ED50 parameters vary freely.
object2
object of class 'drc' where EC/ED50 parameters vary according to Hewlett's model.
ename
character string. The name of the EC/ED50 variable.
xaxis
character string. Is the mixture "0:100" or "100:0" on the x axis?
exchange
numeric. The exchange rate between the two substances.
cifactor
numeric. The factor to be used in the confidence intervals.
Default is 2, but 1 has been used in publications.
xlab
an optional label for the x axis.
ylab
an optional label for the y axis.
xlim
a numeric vector of length two, containing the lower and upper limit for the x axis.
ylim
a numeric vector of length two, containing the lower and upper limit for the y axis.
...
Additional graphical parameters.