06-03-2005
How i get the max value of a column?
I have a file like:
<word> 5
<word> 3
<word> 5
<word> 2
<word> 6
<word> 8
<word> 12
and i need to know the max value of the second column, in this case 12.
Plz help me!
Actually i need the TOTAL, AVERANGE and MAX VALUE and i'm using this in awk:
{
sum += $2
}
END {
print "Sum: ", sum, "Average:", sum/NR;
}
But i still need the max value of each column.
Last edited by Lestat; 06-03-2005 at 02:26 PM..
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LEARN ABOUT DEBIAN
lire::sum
Sum(3pm) LogReport's Lire Documentation Sum(3pm)
NAME
Lire::Sum - Lire class that implements the sum operator
SYNOPSIS
use Lire::Sum
DESCRIPTION
Class that implements the sum operator. This operator will compute the field's sum in a group of DLF records.
It's possible to compute a weighted sum in which each value is first multiplied by the value of another DLF field.
Its also possible to express the count as a ratio of the total count for the group or table.
METHODS
new( %params )
Creates a new Lire::Count object. In addition to the values supported by its parents, the weight and ratio attributes will be initialized
to the values specified in the %params argument.
weight( [$new_weight] )
Returns the DLF field's name by which the values will be multiplied before being summed.
You can change the weight field by specifying a new name as the $new_weight parameter. Use undef to remove the use of a weighting field.
ratio([$new_ratio])
Returns how the sum will be expressed. This can one of three possible values:
none
Default. The absolute sum will be used.
group
The sum will be expressed as a percentage of the group's sum.
table
The sum will be expressed as a percentage of the table's total sum.
SEE ALSO
zLire::ReportSpec(3pm), Lire::ReportOperator(3pm), Lire::Aggregator(3pm), Lire::Aggregate(3pm).
AUTHOR
Francis J. Lacoste <flacoste@logreport.org>
VERSION
$Id: Sum.pm,v 1.17 2008/03/09 19:27:31 vanbaal Exp $
COPYRIGHT
Copyright (C) 2001, 2002 Stichting LogReport Foundation LogReport@LogReport.org
This file is part of Lire.
Lire 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.
You should have received a copy of the GNU General Public License along with this program (see COPYING); if not, check with
http://www.gnu.org/copyleft/gpl.html.
Lire 2.1.1 2008-03-09 Sum(3pm)