CosmoFit.DESILikelihood

class CosmoFit.DESILikelihood(cosmology, version='desi2025')

Bases: BAODistanceLikelihood

DESI BAO. version="desi2025" (the default) is Data Release 2, 13 measurements; "desi2024" is DR1, 12.

__init__(cosmology, version='desi2025')

Methods

__init__(cosmology[, version])
chi2()	Compute the BAO chi-square.
log_likelihood()	Return log-likelihood.
model()	Compute the theoretical BAO observables.
predictions()	Alias for model().
residuals()	Compute the BAO residual vector.
summary()	Return a summary of the likelihood evaluation.

Attributes

n_data	Number of data points.
name_and_size	Name together with the number of data points.