Nothing
"calcErrorDV" <-
function(file,nb=10,disXi,disP,plot=TRUE)
{
tabREstim <- 0;
tabCREstim <- 0;
tabRTh <- 0;
tabCRTh <- 0;
for (i in 1:nb)
{
makeSample(file,1000,disXi,disP)
#calculus of R and C_R with the equation (*) only valid if disXi is an exponentiel distribution and disP depends on Xi
if(disP$nbparam==1) q<-function(x){1-disP$disfun(x,disP$param[[1]])};
if(disP$nbparam==2) q<-function(x){1-disP$disfun(x,disP$param[[1]],disP$param[[2]])};
if(disP$nbparam==3) q<-function(x){1-disP$disfun(x,disP$param[[1]],disP$param[[2]],disP$param[[3]])};
lambda <- disXi$param[[1]]
Lq <- function(s)
{
g <- function(y,t) q(y)*exp(-y*t)
return(integrate(g,0,+Inf,t=s)$value);
}
Eq <- function(r){ abs(lambda*Lq(lambda-r)-1); }
tabRTh[i] <- optimize(Eq,0,lower=0,upper=lambda)$minimum;
tabCRTh[i] <- lambda/tabRTh[i]*(1-lambda/(tabRTh[i]-lambda));
ei<-estimDV(file,toplot=FALSE,header=TRUE)
tabREstim[i] <- ei$R;
tabCREstim[i] <- ei$CR;
}
if(plot)
{
print("bias is");
print(mean(tabREstim-tabRTh));
print("variance is");
print(sd(tabREstim)^2);
print("mean value of R is");
print(mean(tabREstim));
print("mean value of C_R is");
print(mean(tabCREstim));
}
return(list(bias=mean(tabREstim-tabRTh),var=sd(tabREstim)^2,R=mean(tabREstim),CR=mean(tabCREstim)))
}
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