Nothing
##
##
## Generic for returnconvert
##
setGeneric(name = "returnconvert", def = function(y, convdir = c("cont2disc", "disc2cont"), percentage = TRUE){standardGeneric("returnconvert")})
##
## Methods for returnconvert
## (in alphabetical order)
##
## for class data.frame
setMethod(f = "returnconvert",
signature = c(y = "data.frame"),
definition = function(y, convdir = c("cont2disc", "disc2cont"), percentage = TRUE){
if(!all(apply(y, 2, is.numeric))){
stop("Data frame has non-numeric columns.\n")
}
r <- as.data.frame(apply(y, 2, returnconvert, convdir = convdir, percentage = percentage), ncol = ncol(y))
colnames(r) <- colnames(y)
return(r)
}
)
## for class matrix
setMethod(f = "returnconvert",
signature = c(y = "matrix"),
definition = function(y, convdir = c("cont2disc", "disc2cont"), percentage = TRUE){
r <- matrix(apply(y, 2, returnconvert, convdir = convdir, percentage = percentage), ncol = ncol(y))
colnames(r) <- colnames(y)
return(r)
}
)
## for class mts
setMethod(f = "returnconvert",
signature = c(y = "mts"),
definition = function(y, convdir = c("cont2disc", "disc2cont"), percentage = TRUE){
r <- matrix(apply(y, 2, returnconvert, convdir = convdir, percentage = percentage), ncol = ncol(y))
attributes(r) <- attributes(y)
return(r)
}
)
## for class numeric
setMethod(f = "returnconvert",
signature = c(y = "numeric"),
definition = function(y, convdir = c("cont2disc", "disc2cont"), percentage = TRUE){
convdir <- match.arg(convdir)
r <- y
if(percentage) r <- r / 100
if(convdir == "cont2disc"){
r <- exp(r) - 1.0
}
if(convdir == "disc2cont"){
r <- log(1 + r)
}
if(percentage) r <- r * 100
return(r)
}
)
## for class timeSeries
setMethod(f = "returnconvert",
signature = c(y = "timeSeries"),
definition = function(y, convdir = c("cont2disc", "disc2cont"), percentage = TRUE){
r <- apply(y, 2, returnconvert, convdir = convdir, percentage = percentage)
r <- timeSeries(r, charvec = time(y))
return(r)
}
)
## for class ts
setMethod(f = "returnconvert",
signature = c(y = "ts"),
definition = function(y, convdir = c("cont2disc", "disc2cont"), percentage = TRUE){
r <- returnconvert(c(y), convdir = convdir, percentage = percentage)
attributes(r) <- attributes(y)
return(r)
}
)
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