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.
在左侧的水平渐近线,提供了一个初始猜测(即小值x)y与xxy对象。图initial功能主要用于在自启动的非线性回归模型。
用法----------Usage----------
NLSstLfAsymptote(xy)
参数----------Arguments----------
参数:xy
a sortedXyData object
sortedXyData对象
值----------Value----------
A single numeric value estimating the horizontal asymptote for small x.
一个单一的数值,估计小x的水平渐近线。