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# This library 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 library 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 library; if not, write to the
# Free Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
###############################################################################
# FUNCTION: DESCRIPTION:
# dataSplit Splits a data matrix from a downloaded file
# charvecSplit Splits a charvec vector from a downloaded file
# stringSplit Splits a string vector from a downloaded file
###############################################################################
dataSplit <-
function (x, split=" ", col=-1)
{
# A function implemented by Diethelm Wuertz
# Description:
# Splits a data matrix from a downloaded file
# Arguments:
# x - a vector of data records to be splitted
# split - splitting separator
# col - columns to be extracted
# FUNCTION
# Split Function:
FUN <- function(x, split, col) {
unlist(strsplit(x, split))[col] }
# Split Data Set:
data <- unlist(lapply(x, FUN, split = split, col = col))
data <- gsub("NA", "NaN", data)
data <- matrix(as.numeric(data), byrow = TRUE, nrow = length(x))
# Return Value:
data
}
# -----------------------------------------------------------------------------
charvecSplit <-
function (x, split=" ", col=1, format="%F")
{
# A function implemented by Diethelm Wuertz
# Description:
# Splits a charvec vector from a downloaded file
# Arguments:
# x - a vector of data records to be splitted
# split - splitting separator
# col - columns to be extracted
# format - date format, by default "%F"
# FUNCTION:
# Split Function:
FUN <- function(x, split, col) {
unlist(strsplit(x, split))[col] }
# Split Date Character Vector:
charvec <- unlist(lapply(x, FUN, split = split, col = col))
charvec <- format(strptime(charvec, format = format))
# Return Value:
charvec
}
# -----------------------------------------------------------------------------
stringSplit <-
function (x, split = " ", col = NULL)
{
# A function implemented by Diethelm Wuertz
# Description:
# Splits a string vector from a downloaded file
# Arguments:
# x - a vector of data records to be splitted
# split - splitting separator
# col - columns to be extracted
# format - date format, by default "%F"
# FUNCTION:
# Split Function:
FUN <- function(x, split, col) {
unlist(strsplit(x, split))[col] }
# Split String Vector:
data <- unlist(lapply(x, FUN, split = split, col = col))
data <- matrix(data, byrow = TRUE, nrow = length(x))
# eturn Value:
data
}
###############################################################################
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