Definition of cusum in English:

cusum

noun

  • 1A statistical procedure for identifying changes in the probability distribution of a given process by considering cumulative sums associated with that process; a cumulative sum used in this procedure. Usually attributive, as "cusum chart", "cusum test", etc.

  • 2A method for analysing the authorship of texts by considering cumulative sums which chart the frequencies of a particular stylistic feature (especially sentence length) throughout a given text.

Origin

1960s; earliest use found in Quality Control & Applied Statistics. Acronym from the initial letters of cumulative sum.

Pronunciation

cusum

/ˈkjuːsʌm/