NLSstLfAsymptote
Horizontal Asymptote on the Left Side
Provide an initial guess at the horizontal asymptote on the left side
(i.e., small values of x
) of the graph of y
versus
x
from the xy
object. Primarily used within
initial
functions for self-starting nonlinear regression
models.
- Keywords
- manip
Usage
NLSstLfAsymptote(xy)
Arguments
- xy
- a
sortedXyData
object
Value
-
A single numeric value estimating the horizontal asymptote for small
x
.
See Also
Examples
library(stats)
DNase.2 <- DNase[ DNase$Run == "2", ]
DN.srt <- sortedXyData( expression(log(conc)), expression(density), DNase.2 )
NLSstLfAsymptote( DN.srt )
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