Add marker lines to plot_rank

optuna · Apr 12, 2023 · 862bf6d · 862bf6d
1 parent d64617c
commit 862bf6d
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/optuna/visualization/_rank.py b/optuna/visualization/_rank.py
@@ -288,7 +288,10 @@ def get_hover_text(trial: FrozenTrial, target_value: float) -> str:
     scatter = go.Scatter(
         x=info.xs,
         y=info.ys,
-        marker={"color": colors},
+        marker={
+            "color": colors,
+            "line": {"width": 0.5, "color": "Grey"},
+        },
         mode="markers",
         showlegend=False,
         hovertemplate="%{hovertext}<extra></extra>",