View source: R/CopulaCoxPHmodel_BootstrapMethods.R
boot.funI | R Documentation |
This function estimates the bootstrap standard errors for the finite-dimensional model parameters and for the non-parametric cumulative hazard function under the assumption of independent censoring. Parallel computing using foreach has been used to speed up the computation.
boot.funI(
init,
resData,
X,
W,
lhat,
cumL,
dist,
k,
lb,
ub,
Obs.time,
n.boot,
n.iter,
ncore,
eps
)
init |
Initial values for the finite dimensional parameters obtained from the fit of |
resData |
Data matrix with three columns; Z = the observed survival time, d1 = the censoring indicator of T and d2 = the censoring indicator of C. |
X |
Data matrix with covariates related to T |
W |
Data matrix with covariates related to C. First column of W should be a vector of ones |
lhat |
Initial values for the hazard function obtained from the fit of |
cumL |
Initial values for the cumulative hazard function obtained from the fit of |
dist |
The distribution to be used for the dependent censoring time C. Only two distributions are allowed, i.e, Weibull
and lognormal distributions. With the value |
k |
Dimension of X |
lb |
lower boundary for finite dimensional parameters |
ub |
Upper boundary for finite dimensional parameters |
Obs.time |
Observed survival time, which is the minimum of T, C and A, where A is the administrative censoring time. |
n.boot |
Number of bootstraps to use in the estimation of bootstrap standard errors. |
n.iter |
Number of iterations; the default is |
ncore |
The number of cores to use for parallel computation is configurable, with the default |
eps |
Convergence error. This is set by the user in such away that the desired convergence is met; the default is |
Bootstrap standard errors for parameter estimates and for estimated cumulative hazard function.
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