minor doc cleaning

[ci skip]

Author: jgabry

NEWS.md

@@ -50,7 +50,8 @@
   [`?ppc_loo_pit_overlay()`](https://mc-stan.org/bayesplot/reference/PPC-loo.html)
   now work as expected. (#166, #167)
 
-* `ppc_bars()` and `ppc_bars_grouped()` now allow negative integers as input. (#172)
+* `ppc_bars()` and `ppc_bars_grouped()` now allow negative integers as input.
+  (#172, @jeffpollock9)
 
 
 # bayesplot 1.6.0

R/helpers-mcmc.R

@@ -11,11 +11,13 @@ prepare_mcmc_array <- function(x,
   if (is_df_with_chain(x)) {
     x <- df_with_chain2array(x)
   } else if (is_chain_list(x)) {
+    # this will apply to mcmc.list and similar objects
     x <- chain_list2array(x)
   } else if (is.data.frame(x)) {
     # data frame without Chain column
     x <- as.matrix(x)
   } else {
+    # try object's as.array method
     x <- as.array(x)
   }
 

R/mcmc-overview.R

@@ -25,6 +25,7 @@
 #'   chain or all chains have already been merged), or a data frame with one
 #'   column per parameter plus an additional column `"Chain"` that contains the
 #'   chain number (an integer) corresponding to each row in the data frame.
+#'
 #' __Note__: typically the user should *not* include warmup iterations
 #' in the object passed to **bayesplot** plotting functions, although for
 #' certain plots (e.g. trace plots) it can occasionally be useful to include the

man-roxygen/args-mcmc-x.R

@@ -1,5 +1,5 @@
 #' @param x A 3-D array, matrix, list of matrices, or data frame of MCMC draws.
 #'   The [MCMC-overview] page provides details on how to specify each these
 #'   allowed inputs. It is also possible to use an object with an
-#'   `as.array` method that returns the same kind of 3-D array described on
+#'   `as.array()` method that returns the same kind of 3-D array described on
 #'   the [MCMC-overview] page.