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# perl-Math-ErrorPropagation

## Computes the error of a function of statistical data

This package allows the propagation of errors on the variables through various simple mathematical operations to automatically compute the error of the function. Use it to define data each with a central (mean) value and either the variance or standard deviation (square root of the variance), then apply perl's mathematical operators to them to calculate your function f. These operators are overloaded so that f automatically has the correct variance.
 Homepage: http://search.cpan.org/dist/Math-ErrorPropagation/ Package version: 0.01 Architecture: noarch Distribution: RPMForge Filename: perl-Math-ErrorPropagation-0.01-1.2.el5.rf.noarch.rpm

Statistics::ErrorPropagation version 0.01
=============================

DESCRIPTION

A function f({X_i}) of a set of n independent stochastic variables
{X_i}={X_0, X_1, ..., X_(n-1)}
with means {x_i}={x_0, x_1, ..., x_(n-1)}
and corresponding variances {var_i}={var_0, var_1, ..., var_(n-1)},
has mean f({x_i}) and a variance var_f which is the sum
of the squared partial derivatives multiplied b
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## /usr/share/man/man3/Math::ErrorPropagation.3pm.gz

ErrorPropagation(User Contributed Perl DocumentatErrorPropagation(3)

NAME
Math::ErrorPropagation - Computes the error of a function of
statistical data

SYNOPSIS
use ErrorPropagation;

\$x1 = Math::ErrorPropagation->datum(value=>1.2, var=>0.1);
\$x2 = Math::ErrorPropagation->datum(value=>2.3, var=>0.12);
\$x3 = Math::ErrorPropagation->datum(value=>3.5);

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## /usr/share/doc/perl-Math-ErrorPropagation-0.01/Changes

Revision history for Perl extension ErrorPropagation.

0.01  Tue Oct 22 11:51:49 2002
- original version; created by h2xs 1.21 with options
-X -n ErrorPropagation

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