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

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  • Babu, Jogesh G.
  • Mahabal, Ashish

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.

Suggested Citation

  • Babu, Jogesh G. & Mahabal, Ashish, 2007. "Using R-based VOStat as a Low-Resolution Spectrum Analysis Tool," Journal of Statistical Software, Foundation for Open Access Statistics, vol. 18(i11).
    • Handle: RePEc:jss:jstsof:v:018:i11
    DOI: http://hdl.handle.net/10.18637/jss.v018.i11
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    Cited by:

    1. Mullen, Katharine M. & van Stokkum, Ivo H. M., 2007. "An Introduction to the "Special Volume Spectroscopy and Chemometrics in R"," Journal of Statistical Software, Foundation for Open Access Statistics, vol. 18(i01).
    2. repec:jss:jstsof:18:i11 is not listed on IDEAS
    3. repec:jss:jstsof:18:i01 is not listed on IDEAS

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