Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun statistics An additional sample of a subpopulation, above and beyond the portion of a main sample that already belongs to that subpopulation.
  • verb statistics To sample additional members of a subpopulation, above and beyond the members included in the main sample.
  • verb systems To sample a signal at a frequency well above its Nyquist rate.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

over- +‎ sample

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