Nothing
bw.CV<-function(x,method="LCV",lower=0,upper=50,tol=1e-2,np=500){
x <- conversion.circular(x, units = "radians", zero = 0, rotation = "counter", modulo = "2pi")
attr(x, "class") <- attr(x, "circularp") <- NULL
if (!is.numeric(x)) stop("argument 'x' must be numeric")
x.na <- is.na(x)
if (sum(x.na)>0) warning("Missing values were removed")
x <- x[!x.na]
n <- length(x)
if (n==0) stop("No observations (at least after removing missing values)")
if (!is.numeric(upper)){
warning("argument 'upper' must be numeric. Default upper boundary was used")
upper <- 50
}
if (!is.numeric(lower)){
warning("argument 'lower' must be numeric. Default lower boundary was used")
lower <- 0
}
if (lower<0 | lower>=upper){
warning("The boundaries must be positive and 'lower' must be smaller that 'upper'. Default boundaries were used")
upper <- 50
lower <- 0
}
if (!is.numeric(np)) stop("argument 'np' must be numeric")
if (!is.numeric(tol)) stop("argument 'tol' must be numeric")
if (method=="LSCV"){
if (np<=0){
warning("'np' must be positive. Default value of 'np' was used")
np <- 500
}
t<-seq(0,2*pi,length=np)
lscv<-function(x,bw){
est<-DensCircRad(x,t,bw)
n<-length(x)
cv<-numeric(n)
for (j in 1:n){
cv[j]<-DensCircRad(x[-j],x[j],bw)
}
return(int.Simp(t,est^2)-2*mean(cv))
}
bw <- optimize(function(h)lscv(x,h),interval=c(lower,upper),tol=tol)$minimum
}else{
cv <- function(x,bw){
n<-length(x)
logdens<-numeric(n)
for (j in 1:n){
logdens[j]<-log(DensCircRad(x[-j],x[j],bw))
}
return(sum(logdens))
}
bw <- optimize(function(h)cv(x,h),interval=c(lower,upper),tol=tol,maximum=TRUE)$maximum
}
if (bw < lower + tol | bw > upper - tol)
warning("minimum/maximum occurred at one end of the range")
return(bw)
}
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.