sync defaults

Author: teunbrand

R/stat-bin.R

@@ -133,7 +133,7 @@ StatBin <- ggproto("StatBin", Stat,
   compute_group = function(data, scales, binwidth = NULL, bins = NULL,
                            center = NULL, boundary = NULL,
                            closed = c("right", "left"), pad = FALSE,
-                           breaks = NULL, flipped_aes = FALSE, drop = "all",
+                           breaks = NULL, flipped_aes = FALSE, drop = "none",
                            # The following arguments are not used, but must
                            # be listed so parameters are computed correctly
                            origin = NULL, right = NULL) {