Package index • tidybayes

Package overview Overview of tidybayes.
`tidybayes-package` `tidybayes`	Tidy Data and 'Geoms' for Bayesian Models
`tidybayes-models`	Models supported by tidybayes
Composing data for input to a model Transform tidy data frames into data lists appropriate for model types like Stan and JAGS
`compose_data()`	Compose data for input into a Bayesian model
`data_list()` `as_data_list()`	Data lists for input into Bayesian models
`n_prefix()`	Prefix function generator for composing dimension index columns
`x_at_y()`	Generate lookup vectors for composing nested indices
Extracting posteriors Get tidy draws or `rvar`s of posterior distributions from objects (and helper functions for examining objects)
`get_variables()`	Get the names of the variables in a fitted Bayesian model
`recover_types()`	Decorate a model fit or sample with data types recovered from the input data
`gather_draws()` `spread_draws()`	Extract draws of variables in a Bayesian model fit into a tidy data format
`tidy_draws()`	Get a sample of posterior draws from a model as a tibble
`gather_emmeans_draws()`	Extract a tidy data frame of draws of posterior distributions of "estimated marginal means" (emmeans/lsmeans) from a Bayesian model fit.
`ungather_draws()` `unspread_draws()`	Turn tidy data frames of variables from a Bayesian model back into untidy data
`gather_rvars()` `spread_rvars()`	Extract draws from a Bayesian model into tidy data frames of random variables
`nest_rvars()` `unnest_rvars()`	Nest and unnest `rvar` columns in data frames
`summarise_draws(<grouped_df>)`	Summaries of draws in `grouped_df` objects
Extracting fits, predictions, and residuals Get tidy draws or `rvar`s from transformed linear predictors (“fits”), posterior predictions, or residuals
`tidybayes-deprecated` `ggeye` `add_fitted_draws` `fitted_draws` `fitted_draws.default` `fitted_samples` `add_fitted_samples` `predicted_samples` `add_predicted_samples` `gather_samples` `gather_lsmeans_samples` `gather_emmeans_samples` `gather_terms` `extract_samples` `tidy_samples` `spread_samples` `as_sample_tibble` `as_sample_data_frame` `ungather_samples` `unspread_samples` `parameters` `geom_eye` `geom_eyeh` `geom_halfeyeh` `geom_slabh` `geom_intervalh` `GeomIntervalh` `geom_pointintervalh` `GeomPointintervalh` `geom_dotsh` `geom_dotsintervalh` `stat_dist_eyeh` `stat_dist_halfeyeh` `stat_dist_slabh` `stat_dist_intervalh` `stat_dist_pointintervalh` `stat_dist_gradientintervalh` `stat_dist_cdfintervalh` `stat_dist_ccdfintervalh` `stat_dist_dotsh` `stat_dist_dotsintervalh` `stat_eyeh` `stat_halfeyeh` `stat_slabh` `stat_intervalh` `stat_pointintervalh` `stat_gradientintervalh` `stat_cdfintervalh` `stat_ccdfintervalh` `stat_dotsh` `stat_dotsintervalh` `stat_histintervalh` `point_intervalh` `mean_qih` `median_qih` `mode_qih` `mean_hdih` `median_hdih` `mode_hdih` `mean_hdcih` `median_hdcih` `mode_hdcih`	Deprecated functions, arguments, and column names in tidybayes
`add_epred_draws()` `epred_draws()` `add_linpred_draws()` `linpred_draws()` `add_predicted_draws()` `predicted_draws()` `add_residual_draws()` `residual_draws()`	Add draws from the posterior fit, predictions, or residuals of a model to a data frame
`add_draws()`	Add draws to a data frame in tidy format
`add_epred_rvars()` `epred_rvars()` `add_linpred_rvars()` `linpred_rvars()` `add_predicted_rvars()` `predicted_rvars()`	Add `rvar`s for the linear predictor, posterior expectation, posterior predictive, or residuals of a model to a data frame
Manipulating tidy data frames of draws Convenience functions for common data manipulation tasks with tidy data frames of draws
`sample_draws()`	Sample draws from a tidy-format data frame of draws
`compare_levels()`	Compare the value of draws of some variable from a Bayesian model for different levels of a factor
`emmeans_comparison()`	Use emmeans contrast methods with compare_levels
`gather_variables()`	Gather variables from a tidy data frame of draws from variables into a single column
`gather_pairs()`	Gather pairwise combinations of values from key/value columns in a long-format data frame
`reexports` `curve_interval` `cut_cdf_qi` `geom_slabinterval` `GeomSlabinterval` `geom_slab` `GeomSlab` `geom_dotsinterval` `GeomDotsinterval` `geom_dots` `GeomDots` `geom_interval` `GeomInterval` `geom_lineribbon` `GeomLineribbon` `geom_pointinterval` `GeomPointinterval` `dlkjcorr_marginal` `plkjcorr_marginal` `qlkjcorr_marginal` `rlkjcorr_marginal` `marginalize_lkjcorr` `parse_dist` `r_dist_name` `scale_point_colour_discrete` `scale_point_color_discrete` `scale_point_colour_continuous` `scale_point_color_continuous` `scale_point_fill_discrete` `scale_point_fill_continuous` `scale_point_alpha_continuous` `scale_point_alpha_discrete` `scale_point_size_continuous` `scale_point_size_discrete` `scale_interval_colour_discrete` `scale_interval_color_discrete` `scale_interval_colour_continuous` `scale_interval_color_continuous` `scale_interval_alpha_continuous` `scale_interval_alpha_discrete` `scale_interval_size_continuous` `scale_interval_size_discrete` `scale_interval_linetype_discrete` `scale_interval_linetype_continuous` `scale_slab_colour_discrete` `scale_slab_color_discrete` `scale_slab_colour_continuous` `scale_slab_color_continuous` `scale_slab_fill_discrete` `scale_slab_fill_continuous` `scale_slab_alpha_continuous` `scale_slab_alpha_discrete` `scale_slab_size_continuous` `scale_slab_size_discrete` `scale_slab_linetype_discrete` `scale_slab_linetype_continuous` `scale_slab_shape_discrete` `scale_slab_shape_continuous` `guide_colourbar2` `guide_colorbar2` `stat_slabinterval` `StatSlabinterval` `stat_dist_slabinterval` `StatDistSlabinterval` `stat_dist_halfeye` `stat_dist_eye` `stat_dist_ccdfinterval` `stat_dist_cdfinterval` `stat_dist_gradientinterval` `stat_dist_pointinterval` `stat_dist_interval` `stat_dist_slab` `stat_sample_slabinterval` `StatSampleSlabinterval` `stat_halfeye` `stat_eye` `stat_ccdfinterval` `stat_cdfinterval` `stat_gradientinterval` `stat_histinterval` `stat_slab` `stat_dotsinterval` `stat_dots` `stat_dist_dotsinterval` `stat_dist_dots` `stat_pointinterval` `StatPointinterval` `stat_interval` `StatInterval` `stat_lineribbon` `stat_dist_lineribbon` `dstudent_t` `pstudent_t` `qstudent_t` `rstudent_t` `theme_ggdist` `theme_tidybayes` `facet_title_left_horizontal` `facet_title_right_horizontal` `axis_titles_bottom_left` `to_broom_names` `from_broom_names` `to_ggmcmc_names` `from_ggmcmc_names` `point_interval` `qi` `hdi` `Mode` `hdci` `mean_qi` `median_qi` `mode_qi` `mean_hdi` `median_hdi` `mode_hdi` `mean_hdci` `median_hdci` `mode_hdci` `summarise_draws`	Objects exported from other packages
`combine_chains()`	Combine the chain and iteration columns of tidy data frames of draws
`density_bins()` `histogram_bins()`	Density bins and histogram bins as data frames
Point summaries, intervals, geoms, and stats For the `point_interval` family (`median_qi`, etc) and various `geom`s and `stat`s for visualizing posteriors, see the ggdist documentation
Deprecated functions Deprecated functions
`tidybayes-deprecated` `ggeye` `add_fitted_draws` `fitted_draws` `fitted_draws.default` `fitted_samples` `add_fitted_samples` `predicted_samples` `add_predicted_samples` `gather_samples` `gather_lsmeans_samples` `gather_emmeans_samples` `gather_terms` `extract_samples` `tidy_samples` `spread_samples` `as_sample_tibble` `as_sample_data_frame` `ungather_samples` `unspread_samples` `parameters` `geom_eye` `geom_eyeh` `geom_halfeyeh` `geom_slabh` `geom_intervalh` `GeomIntervalh` `geom_pointintervalh` `GeomPointintervalh` `geom_dotsh` `geom_dotsintervalh` `stat_dist_eyeh` `stat_dist_halfeyeh` `stat_dist_slabh` `stat_dist_intervalh` `stat_dist_pointintervalh` `stat_dist_gradientintervalh` `stat_dist_cdfintervalh` `stat_dist_ccdfintervalh` `stat_dist_dotsh` `stat_dist_dotsintervalh` `stat_eyeh` `stat_halfeyeh` `stat_slabh` `stat_intervalh` `stat_pointintervalh` `stat_gradientintervalh` `stat_cdfintervalh` `stat_ccdfintervalh` `stat_dotsh` `stat_dotsintervalh` `stat_histintervalh` `point_intervalh` `mean_qih` `median_qih` `mode_qih` `mean_hdih` `median_hdih` `mode_hdih` `mean_hdcih` `median_hdcih` `mode_hdcih`	Deprecated functions, arguments, and column names in tidybayes
`predict_curve()` `predict_curve_density()`	Deprecated: Prediction curves for arbitrary functions of posteriors

Reference

Package overview

Composing data for input to a model

Extracting posteriors

Extracting fits, predictions, and residuals

Manipulating tidy data frames of draws

Point summaries, intervals, geoms, and stats

Deprecated functions