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Simulation::Sensitivity 0.11

  Date Added: November 14, 2010  |  Visits: 825

Simulation::Sensitivity

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Simulation::Sensitivity is a general-purpose sensitivity analysis tool for user-supplied calculations and parameters. SYNOPSIS use Simulation::Sensitivity; $sim = Simulation::Sensitiviy->new( calculation => sub { my $p = shift; return $p->{alpha} + $p->{beta} } parameters => { alpha => 1.1, beta => 0.2 }, delta => 0.1 ); $result = $sim->run; print $sim->text_report($result); Simulation::Sensitivity is a general-purpose sensitivity analysis tool. Given a user-written calculating function, a "base-case" of parameters, and a requested input sensitivity delta, this module will carry out a sensitivity analysis, capturing the output of the calculating function while varying each parameter positively and negatively by the specified delta. The module also produces a simple text report showing the percentage impact of each parameter upon the output. The user-written calculating function must follow a standard form, but may make any type of computations so long as the form is satisfied. It must take a single argument -- a hash reference of parameters for use in the calculation. It must return a single, numerical result. CONSTRUCTORS new my $sim = Simulation::Sensitivity->new( calculation => sub { my $p = shift; return $p->{alpha} + $p->{beta} } parameters => { alpha => 1.1, beta => 0.2 }, delta => 0.1 ); new takes as its argument a hash with three required parameters. calculation must be a reference to a subroutine and is used for calculation. It must adhere to the usage guidelines above for such functions. parameters must be a reference to a hash that represents the initial starting parameters for the calculation. delta is a percentage that each parameter will be pertubed by during the analysis. Percentages should be expressed as a decimal (0.1 to indicate 10%). As a constructor, new returns a Simulation::Sensitivity object..

Requirements: No special requirements
Platforms: Linux
Keyword: Analysis Analysis Tool Calculation Libraries New Parameters Programming Sensitivity Sensitivity Analysis Simulationsensitivity Tool
Users rating: 0/10

License: Freeware Size: 14.34 KB
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