Document that ucv and bcv are acceptable values for bw

Author: sethaxen

arviz/plots/kdeplot.py

@@ -58,8 +58,8 @@ def plot_kde(
     bw : float or str, optional
         If numeric, indicates the bandwidth and must be positive.
         If str, indicates the method to estimate the bandwidth and must be
-        one of "scott", "silverman", "isj" or "experimental" when ``is_circular`` is False
-        and "taylor" (for now) when ``is_circular`` is True.
+        one of "scott", "silverman", "isj", "experimental", "ucv", or "bcv" when ``is_circular`` is
+        False and "taylor" (for now) when ``is_circular`` is True.
         Defaults to "default" which means "experimental" when variable is not circular
         and "taylor" when it is.
     adaptive : bool, default False

arviz/stats/density_utils.py

@@ -632,7 +632,7 @@ def _kde_linear(
     bw: int, float or str, optional
         If numeric, indicates the bandwidth and must be positive.
         If str, indicates the method to estimate the bandwidth and must be one of "scott",
-        "silverman", "isj" or "experimental". Defaults to "experimental".
+        "silverman", "isj", "experimental", "ucv", or "bcv". Defaults to "experimental".
     adaptive: boolean, optional
         Indicates if the bandwidth is adaptive or not.
         It is the recommended approach when there are multiple modes with different spread.