Description Usage Arguments Value Author(s) References
Subroutine that computes the rank-based fit for each iterative step in the rank-based nonlinear fit function wilnl.R.
1 |
x |
matrix of predictors |
y |
response vector |
theta0 |
initial estimate of parameters used at the beginning of the step |
fmodel |
the function that computes the nonlinear model |
jmodel |
the function that computes the jacobian |
wts.type |
either “WIL” (default) for the Wilcoxon fit of “HBR” for the HBR fit. |
intest |
for the estimate of the intercept: “HL” (default) computes the Hodges-Lehmann estimate based on the residuals and “MED” computes the median of the residuals. |
intercept |
TRUE if an intercept is in the nonlinear model else FALSE (default). |
theta1 |
new estimate of nonlinear parameters |
delstar |
theta1 minus theta0 |
resid0 |
residual at end of step |
sse0 |
sum of squared errors for initial fit |
sse1 |
sum of squared errors for final (at end of the step) fit |
Joe McKean (mckean@wmich.edu) and John Kloke (kloke@biostat.wisc.edu)
Kloke, J. and McKean, J.W. (2014), Nonparametric statistical methods using R, Boca Raton, FL: Chapman-Hall.
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