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# This R package is free software; you can redistribute it and/or
# modify it under the terms of the GNU Library General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This R package 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 Library General Public License for more details.
#
# You should have received a copy of the GNU Library General
# Public License along with this R package; if not, write to the
# Free Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
################################################################################
# MEHODS: DESCRIPTION:
# blockStart Creates start dates for equally sized blocks
# blockEnd Creates end dates for equally sized blocks
################################################################################
# ---------------------------------------------------------------------------- #
# Roxygen Tags
#' @export
# ---------------------------------------------------------------------------- #
blockStart <-
function(x, block = 20)
{
# A function implemented by Diethelm Wuertz
# Description:
# Computes start dates for numeric blocks of dates
# Example:
# blockEnd(timeSequence(), block = 30)
# FUNCTION:
# Start Dates of Blocks:
nx = length(as.character(x))
fromIdx = seq(1, nx, by = block)
from = x[fromIdx]
# Return Value:
from
}
# ---------------------------------------------------------------------------- #
# Roxygen Tags
#' @export
# ---------------------------------------------------------------------------- #
blockEnd <-
function(x, block = 20)
{
# A function implemented by Diethelm Wuertz
# Description:
# Computes start dates for numeric blocks of dates
# Example:
# blockEnd(timeSequence(), block = 30)
# FUNCTION:
# End Dates of Blocks:
nx = length(as.character(x))
fromIdx = seq(1, nx, by = block)
toIdx = c(fromIdx[-1]-1, nx)
to = x[toIdx]
# Return Value:
to
}
################################################################################
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