changepoint

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noun

The point at which the probability distribution of a stochastic process or time series changes.

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Meanings

nounchangepoint (plural changepoints)

plural changepoints

  1. mathematicsThe point at which the probability distribution of a stochastic process or time series changes.

    This allows both documented and undocumented changepoints to be analyzed in tandem.

    2015, Yingbo Li, Robert Lund, Hewa A. Priyadarshani, “Bayesian Minimal Description Lengths for Multiple Changepoint Detection”, in arXiv

Origin

From change + point.

Full word history & related roots →
Cite this entry
APA

changepoint. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/changepoint

MLA

“changepoint.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/changepoint. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “changepoint,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/changepoint.

Source: changepoint on Wiktionary, CC BY-SA 4.0.