Imprecise Probability
Imprecise probability is a generalization of standard probability theory that represents epistemic uncertainty through sets of probability measures, called credal sets, rather than a single precise distribution. Introduced systematically by Peter Walley in his 1991 monograph, the framework characterizes beliefs via lower and upper probabilities (or previsions), bracketing the range of plausible probability assignments when available information is insufficient to determine a unique measure.
Source record
Citations copied verbatim from the method’s source record. No claim-level verification is inferred from them.
- Walley, P. (1991). Statistical Reasoning with Imprecise Probabilities. Chapman & Hall. · ISBN 978-0-412-28660-5
Curated claims
Claims persisted in the evidence ledger, each with its own assessment.
This view does not invent a claim assessment when the ledger has none.
Related methods
Generated from the method graph and shown as machine-suggested relations — no evidence claim is inferred.