loo (2.0.0)

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Efficient Leave-One-Out Cross-Validation and WAIC for Bayesian Models.

http://mc-stan.org
http://discourse.mc-stan.org
http://cran.r-project.org/web/packages/loo

Efficient approximate leave-one-out cross-validation (LOO) for Bayesian models fit using Markov chain Monte Carlo. The approximation uses Pareto smoothed importance sampling (PSIS), a new procedure for regularizing importance weights. As a byproduct of the calculations, we also obtain approximate standard errors for estimated predictive errors and for the comparison of predictive errors between models. The package also provides methods for using stacking and other model weighting techniques to average Bayesian predictive distributions.

Maintainer: Jonah Gabry
Author(s): Aki Vehtari [aut], Andrew Gelman [aut], Jonah Gabry [cre, aut], Yuling Yao [aut], Juho Piironen [ctb], Ben Goodrich [ctb]

License: GPL (>= 3)

Uses: matrixStats, testthat, knitr, rmarkdown, rstan, rstanarm, bayesplot, rstantools
Reverse depends: evidence, hBayesDM
Reverse suggests: bayesplot, CopulaDTA, idealstan, psycho, rstan, rstantools, sjstats

Released 6 months ago.


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