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ErrorCrit_NSE <- function(InputsCrit, OutputsModel, warnings = TRUE, verbose = TRUE) {
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##Arguments_check________________________________
if (inherits(InputsCrit, "InputsCrit") == FALSE) {
stop("InputsCrit must be of class 'InputsCrit' \n")
return(NULL)
}
if (inherits(OutputsModel, "OutputsModel") == FALSE) {
stop("OutputsModel must be of class 'OutputsModel' \n")
return(NULL)
}
##Initialisation_________________________________
CritName <- NA
if (InputsCrit$transfo == "") {
CritName <- "NSE[Q]"
}
if (InputsCrit$transfo == "sqrt") {
CritName <- "NSE[sqrt(Q)]"
}
if (InputsCrit$transfo == "log") {
CritName <- "NSE[log(Q)]"
}
if (InputsCrit$transfo == "inv") {
CritName <- "NSE[1/Q]"
}
if (InputsCrit$transfo == "sort") {
CritName <- "NSE[sort(Q)]"
}
CritValue <- NA
CritBestValue <- +1
Multiplier <- -1
### must be equal to -1 or +1 only
##Data_preparation_______________________________
VarObs <- InputsCrit$Qobs
VarObs[!InputsCrit$BoolCrit] <- NA
VarSim <- OutputsModel$Qsim
VarSim[!InputsCrit$BoolCrit] <- NA
##Data_transformation
if ("Ind_zeroes" %in% names(InputsCrit) & "epsilon" %in% names(InputsCrit)) {
if (length(InputsCrit$Ind_zeroes) > 0) {
print(typeof(InputsCrit$epsilon))
VarObs <- VarObs + InputsCrit$epsilon
VarSim <- VarSim + InputsCrit$epsilon
}
}
if (InputsCrit$transfo == "sqrt") {
VarObs <- sqrt(VarObs)
VarSim <- sqrt(VarSim)
}
if (InputsCrit$transfo == "log") {
VarObs <- log(VarObs)
VarSim <- log(VarSim)
VarSim[VarSim < -1e100] <- NA
}
if (InputsCrit$transfo == "inv") {
VarObs <- 1 / VarObs
VarSim <- 1 / VarSim
VarSim[abs(VarSim) > 1e+100] <- NA
}
if (InputsCrit$transfo == "sort") {
VarSim[is.na(VarObs)] <- NA
VarSim <- sort(VarSim, na.last = TRUE)
VarObs <- sort(VarObs, na.last = TRUE)
InputsCrit$BoolCrit <- sort(InputsCrit$BoolCrit, decreasing = TRUE)
}
##TS_ignore
TS_ignore <- !is.finite(VarObs) | !is.finite(VarSim) | !InputsCrit$BoolCrit
Ind_TS_ignore <- which(TS_ignore)
if (length(Ind_TS_ignore) == 0) {
Ind_TS_ignore <- NULL
}
if (sum(!TS_ignore) == 0) {
OutputsCrit <- list(NA)
names(OutputsCrit) <- c("CritValue")
return(OutputsCrit)
}
if (inherits(OutputsModel, "hourly")) {
WarningTS <- 365
}
if (inherits(OutputsModel, "daily")) {
WarningTS <- 365
}
if (inherits(OutputsModel, "monthly")) {
WarningTS <- 12
}
if (inherits(OutputsModel, "yearly")) {
WarningTS <- 3
}
if (sum(!TS_ignore) < WarningTS & warnings) {
warning("\t criterion computed on less than ", WarningTS, " time-steps")
}
##Other_variables_preparation
meanVarObs <- mean(VarObs[!TS_ignore])
meanVarSim <- mean(VarSim[!TS_ignore])
##ErrorCrit______________________________________
Emod <- sum((VarSim[!TS_ignore] - VarObs[!TS_ignore])^2)
Eref <- sum((VarObs[!TS_ignore] - mean(VarObs[!TS_ignore]))^2)
if (Emod == 0 & Eref == 0) {
Crit <- 0
} else {
Crit <- (1 - Emod / Eref)
}
if (is.numeric(Crit) & is.finite(Crit)) {
CritValue <- Crit
}
##Verbose______________________________________
if (verbose) {
message("Crit. ", CritName, " = ", sprintf("%.4f", CritValue))
}
##Output_________________________________________
OutputsCrit <- list(CritValue = CritValue,
CritName = CritName,
CritBestValue = CritBestValue,
Multiplier = Multiplier,
Ind_notcomputed = Ind_TS_ignore)
return(OutputsCrit)
