kriging

n. a statistical method that uses interpolation to estimate an unknown value between two known values while minimizing prediction error. For example, a simple form of kriging could estimate that the unknown point halfway between two known points of 1 and 9 would be a value of 5. [Daniel Gerhardus Krige (1919–2003), South African geostatistician]

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Psychology term of the day

July 27th 2024

primary insomnia

in DSM–IV–TR, a sleep disorder characterized by difficulty in initiating or maintaining a restorative sleep to a degree in which the severity and persistence of the sleep disturbance causes clinically significant distress, impairment in a significant area of functioning, or both. The disorder is not caused by a general medical condition or the effects of a substance and is not exclusively an aspect of another sleep disorder or mental disorder. It is termed insomnia disorder in DSM–5. See dyssomnia. Compare primary hypersomnia.