Nothing
##############################
# 'mae': Mean Absolute 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': Mean Absolute Error between 'sim' and 'obs', in the same units of 'sim' and 'obs'
mae <-function(sim, obs, ...) UseMethod("mae")
mae.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 !")
mae <- mean( abs(sim - obs), na.rm = TRUE)
return(mae)
} # 'mae.default' end
mae.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="") )
mae <- colMeans( abs(sim - obs), na.rm= na.rm)
return(mae)
} # 'mae.matrix' end
mae.data.frame <- function (sim, obs, na.rm=TRUE,...){
sim <- as.matrix(sim)
obs <- as.matrix(obs)
mae.matrix(sim, obs, na.rm=na.rm, ...)
} # 'mae.data.frame' end
################################################################################
# Author: Mauricio Zambrano-Bigiarini #
################################################################################
# Started: 22-Mar-2013 #
# Updates: #
################################################################################
mae.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)) {
mae.matrix(sim, obs, na.rm=na.rm, ...)
} else NextMethod(sim, obs, na.rm=na.rm, ...)
} # 'mae.zoo' end
Any scripts or data that you put into this service are public.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.