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Installation and quickstart

  • Installing cobaya
  • Quickstart example
  • Advanced example

General topics and components

  • Input and invocation
  • Output
  • Parameters and priors
  • Models: finer interaction with Cobaya’s pipeline
  • Likelihoods
  • one likelihood
  • gaussian_mixture likelihood
  • Theory codes
  • Creating theory classes and dependencies
  • Samplers
  • evaluate sampler
  • mcmc sampler
  • polychord sampler
  • minimize sampler
  • Importance reweighting and general post-processing

Cosmology!

  • Installing cosmological codes and data
  • Cosmological theory codes and likelihoods
  • Basic cosmology runs
  • Troubleshooting in cosmological runs
  • Using the model wrapper
  • Creating your own cosmological likelihood
  • Creating your own cosmological likelihood class

Cosmological theory codes

  • CAMB
  • CLASS (classy)

Cosmological likelihoods

  • Local measurement of H0
  • CMB from Planck
  • CMB from BICEP/Keck XIII October 2021
  • Clustering and weak lensing from DES Y1
  • Baryonic Acoustic Oscillations & Redshift Distortions
  • Type Ia Supernovae
  • External likelihoods
  • List of external packages

Running on clusters

  • Submitting and running jobs
  • Job script templates
  • Optional arguments
  • Job control

Grids of runs

  • Running grids of jobs
  • Analysing grid results
  • Tables of grid results
  • Exporting grid results
  • Grid script parameters

For developers

  • Development notes
  • Base components
  • Core class structure

Resources

  • Documentation for LLM Context
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© Copyright 2026 Jesus Torrado and Antony Lewis.

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