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data
is a parameterized data frame or
pframe
object, its parameters
attribute is returned.
Otherwise the object is examined to see if it contains a call to a
selfStart
object whose initial
attribute can be
evaluated.
getInitial(object, data, ...)
selfStart
model that defines a
nonlinear regression modelselfStart
model can be evaluatedselfStart
models is such
that these "starting" estimates are, in fact, the converged parameter
estimates.
nls
,
selfStart
,
selfStart.default
, selfStart.formula
PurTrt <- Puromycin[ Puromycin$state == "treated", ]
print(getInitial( rate ~ SSmicmen( conc, Vm, K ), PurTrt ), digits = 3)
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