SUN/254.0

Starlink Project
Starlink User Note 254.0

Alasdair Allan
21 Apr 2004


FROG - A Time Series Analysis Package
1.0
User’s Manual


Abstract

The FROG application is an extensible analysis and display tool for time series, and is part of the next generation Starlink software work and released under the GNU Public License (GPL).

Written in Java, it has been designed for the Web and Grid Service era as an extensible, pluggable, tool for time series analysis and display. With an integrated SOAP server the packages functionality is exposed to the user for use in their own code, and to be used remotely over the Grid, as part of the Virtual Observatory (VO).

Contents

1 Overview
2 Getting started
 2.1 Displaying a time series
 2.2 Basic control of the plot window
 2.3 Meta data
 2.4 Making a periodogram
 2.5 Folding time series data
 2.6 Fitting folded data
3 Manipulating time series
 3.1 Combining individual series
 3.2 Detrending series
 3.3 Basic arithmetic functions
4 More about periodograms
5 Fake data
 5.1 Faking it from scratch
 5.2 Faking it from existing data
6 Folding and binning data
7 Fitting data
8 Annotating your plots
9 Web services
 9.1 Displaying a time series using web serices
 9.2 Creating a Fourier Transform using web serices
10 Supported data formats
11 Future Improvments
12 Acknowledgments
13 Changes
 13.1 This release, 0.7
14 License agreement