cluster_emcee_walkers

ssapy.utils.cluster_emcee_walkers(chain, lnprob, lnprior, thresh_multiplier=1, verbose=False)

Down-select emcee walkers to those with the largest posterior mean.

Follows the algorithm of Hou, Goodman, Hogg et al. (2012), An affine-invariant sampler for exoplanet fitting and discovery in radial velocity data. The Astrophysical Journal, 745(2), 198.