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View of /pkg/timeSeries/R/timeSeries-isOHLC.R

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Revision 4158 - (download) (annotate)
Sun May 17 14:09:03 2009 UTC (9 years, 9 months ago) by wuertz
File size: 1941 byte(s)
NEW FILE ORDERING CHECKED IN ...
#
#  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:
#  .isOHLC                  Is the series an Open-High-Low-Close series?
#  .isOHLCV                 Is the series an Open-High-Low-Close-Volume series?
################################################################################


.isOHLC <-
function(object) 
{
    # A function implemented by Diethelm Wuertz
    
    # Description:
    #   Is the series an Open-High-Low-Close series?
    
    # Arguments:
    #   object - an object of class timeSeries
    
    # FUNCTION:
    
    colNames = c("Open", "High", "Low", "Close")
    if (colnames(object)[1:4] == colNames) {
        return(TRUE)
    } else {
        return(FALSE)
    }
}


# ------------------------------------------------------------------------------ 


.isOHLCV <-
function(object) 
{
    # A function implemented by Diethelm Wuertz
    
    # Description:
    #   Is the series an Open-High-Low-Close-Volume series?
    
    # Arguments:
    #   object - an object of class timeSeries
    
    # FUNCTION:
    
    colNames = c("Open", "High", "Low", "Close", "Volume")
    if (colnames(object) == colNames) {
        return(TRUE)
    } else {
        return(FALSE)
    }
}


################################################################################


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