Predictive Mining of Time Series Data in Astronomy

Details Predictive Mining of Time Series Data in Astronomy Predictive Mining of Time Series Data in Astronomy

2002-12-18

arxiv.org/abs/astro-ph/0212413v1

Astronomy and Astrophysics

Astrophysics

4 pages, 3 figures, submitted to Astronomy Data Analysis & Software Systems meeting, Baltimore 2002

Scientific paper

We discuss the development of a Java toolbox for astronomical time series data. Rather than using methods conventional in astronomy (e.g., power spectrum and cross-correlation analysis) we employ rule discovery techniques commonly used in analyzing stock-market data. By clustering patterns found within the data, rule discovery allows one to build predictive models, allowing one to forecast when a given event might occur or whether the occurrence of one event will trigger a second. We have tested the toolbox and accompanying display tool on datasets (representing several classes of objects) from the RXTE All Sky Monitor. We use these datasets to illustrate the methods and functionality of the toolbox. We also discuss issues that can come up in data analysis as well as the possible future development of the package.

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