English Lexicon

Undersample

/ˈʌndərˌsæmpl/
verbnounCEFR B2 (Upper)Top #1500 frequency
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Comprehensive Definitions & Senses

2 senses
As verb
  1. 1

    To take a smaller sample size from a larger dataset than is statistically advisable.

    "In order to reduce processing time, the researchers decided to undersample the dataset."
As noun
  1. 1

    The act or process of taking a smaller sample size from a larger dataset.

    "The undersample may lead to biased results in the study."

Thesaurus & Semantic Spectrum

Synonyms (3)
Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

The term 'undersample' is a compound word formed from the prefix 'under-' meaning 'beneath' or 'less than' and 'sample' which comes from the Latin 'exemplum', meaning 'a sample or example'. The term has evolved in the context of statistics and data analysis, particularly in the late 20th century, to refer to the practice of using fewer samples than are necessary for accurate representation.

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