Meanings
plural Kwiatkowski-Phillips-Schmidt-Shin tests
- A test used for testing a null hypothesis that an observable time series is stationary around a deterministic trend (i.e. trend-stationary) against the alternative of a unit root.
Synonyms: KPSS test
Synonyms & antonyms
nounA test used for testing a null hypothesis that an observable time series is stationary around a deterministic trend (i.e. trend-stationary) against the alternative of a unit root.
Origin
Named for the four people who proposed it, Denis Kwiatkowski, Peter C. B. Phillips, Peter Schmidt and Yongcheol Shin in the 1992 paper "Testing the null hypothesis of stationarity against the alternative of a unit root".
Full word history & related roots →Cite this entry
Kwiatkowski-Phillips-Schmidt-Shin test. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Kwiatkowski-Phillips-Schmidt-Shin%20test
“Kwiatkowski-Phillips-Schmidt-Shin test.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Kwiatkowski-Phillips-Schmidt-Shin%20test. Accessed November 5, 2026.
WatkinsX Dictionary, s.v. “Kwiatkowski-Phillips-Schmidt-Shin test,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/Kwiatkowski-Phillips-Schmidt-Shin%20test.
Source: Kwiatkowski-Phillips-Schmidt-Shin test on Wiktionary, CC BY-SA 4.0.