run_mcmc

gammapy.modeling.run_mcmc(dataset, nwalkers=8, nrun=1000, threads=1)[source]

Run the MCMC sampler.

Parameters:
dataset : Dataset

Dataset

nwalkers : int

Number of walkers

nrun : int

Number of steps each walker takes

threads : (optional)

Number of threads or processes to use

Returns:
sampler : emcee.EnsembleSampler

sampler object containing the trace of all walkers.