Nothing
hopt.edgeworth<-function(xin, dist, kfun, p1, p2, sig.lev )
{
n<-length(xin)
h<-bw.nrd(xin) #pilot bandwidth for the kernel estimate
DensityEst <- kde(xin,xin, h, Gaussian)
Rhatfx <- mean(DensityEst) #estimate R(f)
RhatfxUse<-Rhatfx^{3/2}
RK<- 3/5 # for epanechnikov, 1/(2*sqrt(pi)) #for gaussian, 1/2 # for uniform,
RKuse<-RK^{3/2}
ConvK<- switch(kfun,
Gaussian = 0.2765382,
Epanechnikov = 0.409542,
Triangular = 0.3703704,
Rectangular = 0.3703704,
Biweight = 0.3276294,
Epanechnikov2 = 0.409542
) #kernel.conv(kernel.conv(0, deriv.order = 0, kernel = kfun)$kx, deriv.order = 0, kernel = kfun)$kx
ML.Dens<- NDistDens(xin, dist, p1, p2)
mu.2 <- mean((DensityEst - ML.Dens)^2)
nu.2 <- mean(DensityEst^2)
SigmaSq <- 2* mu.2^2 * nu.2 * RK # 16/45 * RK * Rhatfx #estimate test statistic variance
term1 <- ( (sqrt(2)*ConvK*nu.2)/(3*RKuse*RhatfxUse) )^{-1/2} #
RDeltaR<- mean( (ML.Dens - DensityEst)^2 * DensityEst )
term2<- ( 1/( sqrt(2* nu.2 * RK)) )^{-3/2}
banduse<- term1 * (n*RDeltaR)^{-3/2} *term2
banduse
}
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