https://github.com/cran/emplik
Tip revision: 6499006531aa58c62dc136e7a2daf03dfbc5aa36 authored by Mai Zhou on 07 September 2023, 17:00:02 UTC
version 1.3-1
version 1.3-1
Tip revision: 6499006
el.test.wt.R
eltestwtinC<-function(x,wt,mu){
pi=x;
Lx=length(x);
lam0=0;
if(any(is.na(x))) stop('NaNs'); ## if (sum(is.na(x))>0)stop('NaNs');
re=.C('eltestwt',
x=as.numeric(x),
wt=as.numeric(wt),
mu1=as.double(mu), ##added as.double() 3/2015 by M Zhou
Lx1=Lx,
pi=as.numeric(pi),
lamre=as.double(lam0) ##added as.double() 3/2015 by M Zhou
)
return(list(x=re$x, wt=re$wt, prob=re$pi, lam=re$lamre));
}
el.test.wt <- function(x, wt, mu, usingC=TRUE) {
#x <- as.matrix(x)
#if( ncol(x) != 1 ) stop("x must be a vector")
if( length(mu) != 1 ) stop("mu must be a scalar")
if(usingC){
return(eltestwtinC(x,wt,mu));
}else{
xmu <- x-mu
allw <- sum(wt)
BU <- 0.02*allw/max(abs(xmu))
lamfun <- function(lam,xmu,wt,allw) { sum(wt*xmu/(allw+lam*xmu)) }
if(lamfun(0,xmu,wt,allw) == 0) lam0 <- 0
else {
if( lamfun(0,xmu,wt,allw) > 0 ) {lo <- 0
up <- BU
while(lamfun(up,xmu,wt,allw)>0)
up <- up + BU
}
else {up <- 0
lo <- - BU
while(lamfun(lo,xmu,wt,allw) < 0 )
lo <- lo - BU
}
lam0 <- uniroot(lamfun,lower=lo,upper=up,tol=1e-9,xmu=xmu,wt=wt,allw=allw)$root
}
pi <- wt/(allw + lam0*xmu)
return(list(x=x, wt=wt, prob=pi, lam=lam0));
}
}
### add output of lam0, 5/2007
### Can simplify by use the uniroot() option entendInt="yes".
### Comment added 10/28/2021 M Zhou