Using R-based VOStat as a Low-Resolution Spectrum Analysis Tool

Jogesh G. Babu and Ashish Mahabal

Journal of Statistical Software, 2007, vol. 018, issue i11

Abstract: We describe here an online software suite VOStat written mainly for the Virtual Observatory, a novel structure in which astronomers share terabyte scale data. Written mostly in the public-domain statistical computing language and environment R, it can do a variety of statistical analysis on multidimensional, multi-epoch data with errors. Included are techniques which allow astronomers to start with multi-color data in the form of low-resolution spectra and select special kinds of sources in a variety of ways including color outliers. Here we describe the tool and demonstrate it with an example from Palomar-QUEST, a synoptic sky survey.

Date: 2007-01-10
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:jss:jstsof:v:018:i11

DOI: 10.18637/jss.v018.i11

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