name: iminuit-statistical-fitter description: iminuit statistical fitting skill for physics data analysis with proper error handling and profile likelihood allowed-tools:
- Bash
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- Grep metadata: specialization: physics domain: science category: data-analysis phase: 6
iminuit Statistical Fitter
Purpose
Provides expert guidance on iminuit for statistical fitting in physics, including proper error estimation and profile likelihood calculations.
Capabilities
- MINUIT minimization algorithms
- HESSE error matrix calculation
- MINOS asymmetric error estimation
- Profile likelihood computation
- Constrained fitting
- Simultaneous fit orchestration
Usage Guidelines
- Model Definition: Define cost function for minimization
- Minimization: Run MIGRAD for parameter estimation
- Error Analysis: Use HESSE and MINOS for uncertainties
- Profile Likelihood: Compute profile likelihood for parameters
- Simultaneous Fits: Combine multiple datasets in fits
Tools/Libraries
- iminuit
- probfit
- zfit