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Data Quality Flagging S5 Elog Entries. Tiffany Summerscales Andrews University. Issue: Important DQ Information in Elogs. Elogs - Electronic logs for both Livingston and Hanford sites Record of observations made of environmental and detector issues that could affect data quality

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data quality flagging s5 elog entries

Data Quality FlaggingS5 Elog Entries

Tiffany Summerscales

Andrews University

March 2007 LSC/VIRGO - Detchar

issue important dq information in elogs
Issue: Important DQ Information in Elogs
  • Elogs - Electronic logs for both Livingston and Hanford sites
  • Record of observations made of environmental and detector issues that could affect data quality
  • Need a list of “flags” based on these observations
    • Date of observation may not be the same as data affected
    • Computer-readable list

March 2007 LSC/VIRGO - Detchar

work done so far
Work Done So Far
  • Webpage http://www.andrews.edu/~tzs/detchar
  • Two Andrews undergraduates - Nick Valles and Jon Van Ornam started listing DQ flags
    • ~ 2 months at each site

March 2007 LSC/VIRGO - Detchar

work done so far1
Work Done So Far

March 2007 LSC/VIRGO - Detchar

work needed
Work Needed
  • Fill in the rest of the webpages!
    • Translate elog observations to data quality flags
    • Record start & stop times, segments affected, etc
  • Call for volunteers

March 2007 LSC/VIRGO - Detchar

ideas for improvements
Ideas for Improvements
  • Increase automation for generating web pages
  • Switch computer-readable format to ilwd
    • ilwd - xml with certain headers
    • ilwdread - MATLAB function in Ligotools
    • ilwdwrite - MATLAB function to write ilwd
  • Any suggestions?

March 2007 LSC/VIRGO - Detchar

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