ErrorCrit_RMSE.R

ErrorCrit_RMSE <- function(InputsCrit, OutputsModel, warnings = TRUE, verbose = TRUE) {
    
    
    ##Arguments_check________________________________
    if (!inherits(InputsCrit, "InputsCrit")) {
      stop("InputsCrit must be of class 'InputsCrit' \n")
      return(NULL)
    }
    if (!inherits(OutputsModel, "OutputsModel")) {
      stop("OutputsModel must be of class 'OutputsModel' \n")
      return(NULL)
    }
    
    
    ##Initialisation_________________________________
    CritName <- NA
    if (InputsCrit$transfo == "") {
      CritName <- "RMSE[Q]"
    }
    if (InputsCrit$transfo == "sqrt") {
      CritName <- "RMSE[sqrt(Q)]"
    }
    if (InputsCrit$transfo == "log") {
      CritName <- "RMSE[log(Q)]"
    }
    if (InputsCrit$transfo == "inv") {
      CritName <- "RMSE[1/Q]"
    }
    if (InputsCrit$transfo == "sort") {
      CritName <- "RMSE[sort(Q)]"
    }
    CritValue       <- NA
    CritBestValue   <- +1
    Multiplier      <- +1
    ### must be equal to -1 or +1 only
    
    
    ##Data_preparation_______________________________
    VarObs <- InputsCrit$obs
    VarObs[!InputsCrit$BoolCrit] <- NA
    VarSim <- OutputsModel$Qsim
    VarSim[!InputsCrit$BoolCrit] <- NA
    
    ##Data_transformation
    if (InputsCrit$transfo %in% c("log", "inv") & is.null(InputsCrit$epsilon) & warnings) {
      if (any(VarObs %in% 0)) {
        warning("zeroes detected in Qobs: the corresponding time-steps will be excluded from the criteria computation if the epsilon argument of 'CreateInputsCrit' = NULL")
      }
      if (any(VarSim %in% 0)) {
        warning("zeroes detected in Qsim: the corresponding time-steps will be excluded from the criteria computation if the epsilon argument of 'CreateInputsCrit' = NULL")
      }  
    }
    if ("epsilon" %in% names(InputsCrit) & !is.null(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
    }