1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
## print method for the crsc_cv class
print.rsc_cv <-function(x, ...){
cat("\n")
cat("================================================\n")
cat(" Expected Normalized Squared Frobenius Loss \n")
cat("================================================\n")
print(x$loss)
cat("================================================\n")
cat("\n")
}
## ## ## plot method for the crsc_cv class
plot.rsc_cv <- function(x, ...){
## add check object
tstar <- which(x$loss$Flag == "minimum")
hstar <- x$loss$Threshold[tstar]
inf_loss <- x$loss$Average - x$loss$SE
sup_loss <- x$loss$Average + x$loss$SE
a <- inf_loss[tstar]
b <- sup_loss[tstar]
hstar1se <- max(x$loss$Threshold[which(x$loss$Flag == "*")])
Ylim <- range(c(inf_loss, sup_loss))
plot(x$loss$Threshold, x$loss$Average, t='b', ylim = Ylim ,
pch=20 , col= "#0052A5", lwd = 2,
main = "RSC Optimal Threshold Selection",
xlab = "Threshold",
ylab = "Average loss", ...)
arrows(x$loss$Threshold, inf_loss, x$loss$Threshold, sup_loss ,
length=.05, angle=90, code=3, col="#0052A5")
abline(v = hstar1se, col = "#31A853", lty=2, lwd=2)
abline(v = hstar, col = "#E0162B", lty=2, lwd=2)
}
|