Hajautusmallien
Hajautusmallien refers to statistical and mathematical models designed to describe how a quantity or attribute is distributed across a population, time, space, or other dimensions. The term is used in Finnish statistical literature and data science to group methods that characterize distributions and their relationships.
Typical categories include parametric distribution models (normal, lognormal, gamma, beta), mixture models, copula-based multivariate distributions, and
Estimation and inference rely on likelihood methods, Bayesian approaches, or moment-based techniques. Model selection uses criteria
Applications span finance and economics for asset-return modeling and risk assessment, insurance for claim distributions, reliability
Challenges include choosing an appropriate distribution family, capturing heavy tails and skewness, modeling dependencies in high
See also: probability distribution, distribution fitting, copula, kernel density estimation.