NAG’s IRIS Explorer
JEREMY WALTON, The Numerical Algorithms Group, Ltd.
32.1 Introduction
Data visualization can be defined as the gaining of insight by making a picture out of numbers, and the important role that it plays in the effective interpretation and analysis of numerical data has been recognized for a long time [1]. The type of data to be analyzed can vary from 1D time series (e.g., yearly changes in salary) to multidimensional vector-based datasets (e.g., air flow over an airplane wing). Although the simpler types of data can be effectively displayed using ubiquitous desktop applications such as Excel, more complex data require more sophisticated visualization techniques and applications.
Traditionally, a developer would ...
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