Nothing
PlotRmseVsStd <- function(test.res, test.std, output.plot.path) {
# This function plot RMSE vs Std
#
# Args:
# test.res: A vector containing the residual of BHPMF.
# test.std: A vector containing the std of BHPMF. It is the same size as test.res.
# output.plot.path: If present, the output plot will be saved in this path.
#
if (length(test.res) != length(test.std)) {
stop("test.res should be of the same length as test.std.")
}
sort.res <- sort(test.std, index.return = TRUE)
sorted.std <- sort.res$x
sorted.res <- test.res[sort.res$ix]
numObs <- length(test.std)
numBatches <- 10
sizeBatch <- floor(numObs / numBatches)
rmse <- rep(0, numBatches)
for (batch in 1 : numBatches) {
beg <- (batch-1)*sizeBatch+1
end <- batch*sizeBatch
Idx <- beg:end
rmse[batch] <- sqrt(mean(sorted.res[Idx]^2))
}
if (!missing(output.plot.path)) {
pdf(output.plot.path)
plot(rmse, main="", xlab="Percentage of Data with Ascending Std", ylab="Average RMSE", xlim=c(1, 10), xaxt="n", type = "b")
axis(1, at=seq(1, 10, by = 1), labels = paste(1:10, "0%", sep=""), las=2)
dev.off()
} else {
plot(rmse, main="", xlab="Percentage of Data with Ascending Std", ylab="Average RMSE", xlim=c(1, 10), xaxt="n", type = "b")
axis(1, at = seq(1, 10, by = 1), labels = paste(1:10, "0%", sep=""), las=2)
}
}
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