Nothing
##################################
# 'rmse': Root Mean Square Error #
##################################
# 15-Dic-2008; 06-Sep-09 #
##################################
# 'obs' : numeric 'data.frame', 'matrix' or 'vector' with observed values
# 'sim' : numeric 'data.frame', 'matrix' or 'vector' with simulated values
# 'Result': Root Mean Square Error between 'sim' and 'obs', in the same units of 'sim' and 'obs'
rmse <-function(sim, obs, ...) UseMethod("rmse")
rmse.default <- function (sim, obs, na.rm=TRUE, ...) {
if ( is.na(match(class(sim), c("integer", "numeric", "ts", "zoo"))) |
is.na(match(class(obs), c("integer", "numeric", "ts", "zoo")))
) stop("Invalid argument type: 'sim' & 'obs' have to be of class: c('integer', 'numeric', 'ts', 'zoo')")
if ( length(obs) != length(sim) )
stop("Invalid argument: 'sim' & 'obs' doesn't have the same length !")
rmse <- sqrt( mean( (sim - obs)^2, na.rm = na.rm) )
return(rmse)
} # 'rmse.default' end
rmse.matrix <- function (sim, obs, na.rm=TRUE, ...) {
# Checking that 'sim' and 'obs' have the same dimensions
if ( all.equal(dim(sim), dim(obs)) != TRUE )
stop( paste("Invalid argument: dim(sim) != dim(obs) ( [",
paste(dim(sim), collapse=" "), "] != [",
paste(dim(obs), collapse=" "), "] )", sep="") )
rmse <- sqrt( colMeans( (sim - obs)^2, na.rm = na.rm, ...) )
return(rmse)
} # 'rmse.matrix' end
rmse.data.frame <- function (sim, obs, na.rm=TRUE, ...) {
rmse <- sqrt( colMeans( (sim - obs)^2, na.rm = na.rm, ...) )
return(rmse)
} # 'rmse.data.frame' end
################################################################################
# Author: Mauricio Zambrano-Bigiarini #
################################################################################
# Started: 22-Mar-2013 #
# Updates: #
################################################################################
rmse.zoo <- function(sim, obs, na.rm=TRUE, ...){
sim <- zoo::coredata(sim)
if (is.zoo(obs)) obs <- zoo::coredata(obs)
if (is.matrix(sim) | is.data.frame(sim)) {
rmse.matrix(sim, obs, na.rm=na.rm, ...)
} else NextMethod(sim, obs, na.rm=na.rm, ...)
} # 'rmse.zoo' end
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