Nothing
# Computation of CUSUM ARLs (drift monitoring)
xDcusum.arl <- function(k, h, delta, hs=0, sided="one", mode="Gan", m=NULL, q=1, r=30, with0=FALSE) {
if (k<0)
stop("k has to be non-negative")
if (h<=0)
stop("h has to be positive")
if ( hs<0 | (sided=="two" & hs>h/2+k) | (sided=="one" & hs>h/2+k) )
stop("wrong headstart")
if (r<4)
stop("r is too small")
if ( is.null(m) ) {
m <- 0
} else {
if ( m<1 ) stop("m is too small")
}
ctyp <- pmatch(sided, c("one", "two")) - 1
if (is.na(ctyp))
stop("invalid cusum type")
cmode <- pmatch(mode, c("Gan", "Knoth")) - 1
if (is.na(cmode))
stop("invalid algorithm mode")
q <- round(q)
if (q<1)
stop("wrong change point position (q)")
arl <- .C("xDcusum_arl",as.integer(ctyp),as.double(k),
as.double(h),as.double(hs),as.double(delta),as.integer(m),
as.integer(r),as.integer(with0),as.integer(cmode),as.integer(q),
ans=double(length=1),PACKAGE="spc")$ans
names(arl) <- "arl"
return (arl)
}
Any scripts or data that you put into this service are public.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.