Download MACROS GTIVE Generic Tool for Important Variable

Chapter 1
Introduction
1.1
What is GTIVE
Generic Tool for Important Variable Extraction (GT IVE) is a software package for performing global sensitivity analysis on user-provided data. In the [13] sensitivity analysis is
defined as the study of how the variation (uncertainty) in the output of a statistical model
can be attributed to different variations in the inputs of the model. In other words it is a
technique for systematically changing variables (features) in a model to determine the effects
of such changes.
1.2
Documentation structure
Documentation for GTIVE includes:
• User manual (this document) which contains:
– A general overview of the tool’s functionality;
– Short descriptions of the algorithms;
– Recommendations on the tool’s usage;
– Examples of applications to model problems.
• Technical reference [3] for C++ and Python API which includes:
– Description of system requirements;
– Installation steps;
– Quick start guide;
– C++ and Python API reference.
The present document has the following structure:
• Chapter 2 is an introduction to the tool’s functionality. It contains an overview of
relevant sensitivity analysis concepts, and explains the way the tool is applied and
what results it produces.
• Chapter 3 describes the internal workflow of the tool.
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