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#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# A copy of the GNU General Public License is available at
# ../../COPYING
################################################################################
# FUNCTION: DESCRIPTION:
# start,timeSeries Extracts start date of a 'timeSeries' object
# end,timeSeries Extracts end date of a 'timeSeries' object
################################################################################
start.timeSeries <- function(x, ...)
{
# Description:
# Extracts start date of a 'timeSeries' object
# FUNCTION:
# Extract Date:
if (length(x@positions)>0)
timeDate(min(x@positions), zone = "GMT", FinCenter = x@FinCenter)
else
NULL
}
## setMethod("start" , "timeSeries", start.timeSeries)
## # until UseMethod dispatches S4 methods in 'base' functions
## start.timeSeries <- function(x, ...) .start.timeSeries(x, ...)
# ------------------------------------------------------------------------------
end.timeSeries <- function(x, ...)
{
# Description:
# Extracts start date of a 'timeSeries' object
# FUNCTION:
# Extract Date:
if (length(x@positions)>0)
timeDate(max(x@positions), zone = "GMT", FinCenter = x@FinCenter)
else
NULL
}
## setMethod("end", "timeSeries", function(x, ...) end.timeSeries(x, ...))
## # until UseMethod dispatches S4 methods in 'base' functions
## end.timeSeries <- function(x, ...) .end.timeSeries(x, ...)
################################################################################
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