gnu: Add r-tidyposterior.

* gnu/packages/cran.scm (r-tidyposterior): New variable.

Signed-off-by: Ricardo Wurmus <rekado@elephly.net>

gnu/packages/cran.scm

@@ -23862,3 +23862,40 @@ and classes to be used in conjunction with other @code{tidymodels} packages
 for finding reasonable values of hyper-parameters in models, pre-processing
 methods, and post-processing steps.")
     (license license:expat)))
+
+(define-public r-tidyposterior
+  (package
+    (name "r-tidyposterior")
+    (version "0.0.3")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (cran-uri "tidyposterior" version))
+       (sha256
+        (base32
+         "0wsv800w056ziqbnwal7ncmdy4li8cn5yrdx07w35b7j8kl4mwhg"))))
+    (properties `((upstream-name . "tidyposterior")))
+    (build-system r-build-system)
+    (propagated-inputs
+     `(("r-dplyr" ,r-dplyr)
+       ("r-generics" ,r-generics)
+       ("r-ggplot2" ,r-ggplot2)
+       ("r-lifecycle" ,r-lifecycle)
+       ("r-purrr" ,r-purrr)
+       ("r-rlang" ,r-rlang)
+       ("r-rsample" ,r-rsample)
+       ("r-rstanarm" ,r-rstanarm)
+       ("r-tibble" ,r-tibble)
+       ("r-tidyr" ,r-tidyr)
+       ("r-vctrs" ,r-vctrs)))
+    (native-inputs
+     `(("r-knitr" ,r-knitr)))
+    (home-page "https://tidyposterior.tidymodels.org")
+    (synopsis "Bayesian analysis to compare models using resampling statistics")
+    (description
+     "This package can be used to conduct post hoc analyses of resampling
+results generated by models.  For example, if two models are evaluated with
+the @dfn{root mean squared error} (RMSE) using 10-fold cross-validation, there
+are 10 paired statistics.  These can be used to make comparisons between
+models without involving a test set.")
+    (license license:gpl2)))