calibrationexists
Calibrationexists is a term used in modeling and data analysis to denote the feasibility of calibrating a model to observed data. It refers to the property that there exists at least one parameter configuration for which the model predictions align with the data within a prescribed tolerance. The term is not a universal technical standard across all fields, but it appears in discussions of calibration feasibility and adequacy.
Formally, let f(θ, x) be a model with parameter θ in a parameter space Θ, observed data y,
Implications and challenges: If calibrationexists fails, the model may be misspecified, the data may be insufficient
See also: calibration, identifiability, feasibility problem, parameter estimation, data assimilation.