Require hexbin

tjmahr · tjmahr · commit bc531fa79169 · 2019-05-02T10:44:41.000-05:00
ggplot2 doesn't provide it by default so on a fresh install, mcmc_hex() doesn't work.
diff --git a/DESCRIPTION b/DESCRIPTION
@@ -28,7 +28,8 @@ Imports:
     stats,
     utils,
     rlang (>= 0.3.0),
-    ggridges
+    ggridges,
+    hexbin
 Suggests: 
     arm,
     gridExtra (>= 2.2.1),
