olemus
statistikas:
usaldusvahemiku mitmemõõtmeline üldistus punktihulgana n-mõõtmelises ruumis,
sageli esitatakse hinnangupunkti ümbritseva ellipsoidina
=
multi-dimensional generalization of a confidence interval, a set of points in an n-dimensional space

ülevaateid
https://en.wikipedia.org/wiki/Confidence_region

https://stats.stackexchange.com/questions/138603/confidence-interval-and-confidence-region

http://www2.math.uu.se/~thulin/mm/L4.pdf

https://cfwebprod.sandia.gov/cfdocs/CompResearch/docs/SAND6893.pdf

https://www.hindawi.com/journals/mpe/2016/7946828/