Given the linear regression model y = b0 + b1*x1 + b2*x2 + b3*x1*x2, the crossover point of the two simple regression lines implied by the linear regression model can be expressed as C = -b2/b3 (Aiken and West, 1991). This package provides functions to calculate confidence intervals for crossover points of two simple linear regression lines using the non-linear regression, the delta method, the Fieller method, and the bootstrap methods.
Package: | crossReg |
Type: | Package |
Version: | 1.0 |
Date: | 2014-07-08 |
License: | GPL-2 |
Sunbok Lee
Maintainer: Sunbok Lee <sunboklee@gmail.com>
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