Nothing
parinfo <- function(object, x, CI = 0.95, method = "Richardson",
method.args = list(eps = 1e-04, d = 0.11,
zero.tol = sqrt(.Machine$double.eps/7e-07), r = 6,
v = 2, show.details = FALSE), side = NULL){
if( ("sample.size" %in% names(object)) & ("n" %in% names(object)) )
n <- object$sample.size
if( ("sample.size" %in% names(object)) & !("n" %in% names(object)) )
n <- object$sample.size
if( !("sample.size" %in% names(object)) & ("n" %in% names(object)) )
n <- object$n
expr <- object$expr
RSS <- object$RSS
par <- object$par
p <- length( object$par )
D <- matrix(NA, nrow=n, ncol=p)
x <- rbind(x)
if(nrow(x)==1){
x <- matrix(x, ncol=1)
}
for(j in 1:nrow(x)){
temp <- derivIPEC(expr, theta=par, z=x[j, ], method=method,
method.args=method.args, side=side)
D[j,] <- temp$Jacobian
}
par.cov <- RSS/(n-p)*ginv( t(D) %*% D )
par.se <- c()
for(j in 1:p){
par.se <- c(par.se, sqrt(par.cov[j,j]))
}
alpha <- 1-CI
tc <- qt(1-alpha/2, df=n-p)
lci <- par - tc * par.se
uci <- par + tc * par.se
par.tab <- data.frame(Estimate=par, SE=par.se, LCI=lci, UCI=uci)
list(D=D, partab=par.tab, covmat=par.cov)
}
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