PROSPECT: Profile likelihood for frequentist cosmological inference
Abstract
PROSPECT infers cosmological parameters using profile likelihoods. It constructs an approximate profile likelihood from an MCMC and optimizes it using simulated annealing, a gradient-free stochastic optimization algorithm. It employs an automatic tuning of the step size parameter and binned covariance matrices from the MCMC to achieve efficient optimizations of the profile likelihood.
- Publication:
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Astrophysics Source Code Library
- Pub Date:
- December 2023
- Bibcode:
- 2023ascl.soft12002B
- Keywords:
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- Software