nlcom | R Documentation |
Estimate nonlinear combinations of nlsur estimates
nlcom(object, form, alpha = 0.05, rname, envir)
object |
of class nlsur |
form |
formula e.g. "be/bk". May contain names(coef(object)) or prior nlcom estimations. |
alpha |
value for conf. interval default is 0.05 |
rname |
optional rowname for result |
envir |
optional name of environment to search for additional parameters |
deltaMethod
## Not run:
dkm <- nlcom(object = erg, form = "-dkk -dkl -dke", rname = "dkm")
dkm
dlm <- nlcom(object = erg, form = "-dkl -dll -dle", rname = "dlm")
dlm
dem <- nlcom(object = erg, form = "-dke -dle -dee", rname = "dem")
dem
dmm <- nlcom(object = erg, form = "-dkm -dlm -dem", rname = "dmm")
dmm
# last one is equivalent to the longer form of:
dmm <- nlcom(object = erg,
form = "-(-dkk -dkl -dke) -(-dkl -dll -dle) -(-dke -dle -dee)")
dmm
## End(Not run)
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