% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/estimateBandwidth.R
\name{estimate.bandwidth}
\alias{estimate.bandwidth}
\title{Estimated bandwidth for CVE.}
\usage{
estimate.bandwidth(X, k, nObs)
}
\arguments{
\item{X}{data matrix of dimension (n x p) with n data points X_i of dimension
q. Therefor each row represents a datapoint of dimension p.}

\item{k}{Guess for rank(B).}

\item{nObs}{Ether numeric of a function. If specified as numeric value
its used in the computation of the bandwidth directly. If its a function
`nObs` is evaluated as \code{nObs(nrow(x))}. The default behaviou if not
supplied at all is to use \code{nObs <- nrow(x)^0.5}.}
}
\description{
Estimates a propper bandwidth \code{h} according
\deqn{%
h = \chi_{p-q}^{-1}\left(\frac{nObs - 1}{n-1}\right)\frac{2 tr(\Sigma)}{p}}{%
h = qchisq( (nObs - 1)/(n - 1), p - q ) 2 tr(Sigma) / p}
}
\seealso{
[\code{\link{qchisq}}]
}