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Etymology edit

column +‎ -wise

Adjective edit

columnwise (not comparable)

  1. By columns; one column at a time.
    • 2016, Peter J. Rousseeuw, Wannes Van den Bossche, “Detecting anomalous data cells”, in arXiv[1]:
      We illustrate the method on several real data sets, where it uncovers more structure than found by purely columnwise methods or purely rowwise methods.