Sensitivity Analysis
Definition
Assessment of output changes under justified changes in model inputs or assumptions. Sensitivity analysis examines how a result changes when specified inputs or assumptions change. Clearly identify which alternatives are measured, supported or merely illustrative.
- Context
- Model assessment
Related terms
- Accumulated Degree Hours (ADH)
- Accumulated temperature-time above a defined developmental threshold, expressed in degree-hours under a specified model. In a fictional linear model with a base...
- Entomotoxicology
- Analysis of substances in insect matrices and possible developmental effects, without automatic reconstruction of human blood concentrations. Validated tests can detect particular...
- Minimum PMI (PMImin)
- A conditional lower bound on elapsed time after death; on a calendar it supports a latest possible earlier event under stated assumptions....
- Anchor Point
- A regularly used location relevant to the spatial model, not necessarily a residence.
- Ante-Mortem Myiasis
- Infestation of a living person, which can make insect development begin before death. Their developmental age may then exceed the period elapsed...
- Association Uncertainty
- Uncertainty about how a specimen relates to the material or event under investigation. The observed location of a specimen is one part...
- Belief Propagation
- An algorithm for computing marginal and posterior probabilities in a Bayesian network by passing messages between neighbouring nodes. Exact on tree-structured networks;...
- Bias
- Bias is a systematic tendency for an estimate or measurement to depart from its target under specified conditions. It differs from random...
- Buffer Zone
- A near-site or near-anchor reduction represented by particular models, not a universal known exclusion zone.
- Colonisation Interval
- A defined interval associated with colonisation; its origin and later reference event must be stated. The interval is measured from a defined...
- Colonisation Wave
- A descriptive ecological pattern, not a fixed universal series of predictable arrival intervals. Succession describes changes in organisms associated with a resource....
- Conditional Probability Table (CPT)
- A table that specifies the probability distribution of a node given every combination of states of its parent nodes. Every non-root node...
Explained in these topics
- Accident Reconstruction Physics: Velocity, Momentum and Skid MarksAssessment of how model output changes as specified inputs or assumptions change.
- Bayesian Networks for Complex EvidenceA technique for assessing how much the posterior probabilities in a Bayesian network change when the values in the conditional probability tables are varied. M...
- Sources of Error and Uncertainty in Entomological PMI
- Forensic Entomology Casework and Scene InterpretationAssessment of how results change under specified alternative inputs.
- Geographic Profiling: Rossmo, Canter and the Jeopardy SurfaceExamining how reasonable changes in assumptions or inputs affect a result.