From 42dcfdb0ffc3fb6977eebe3d78ae47c126264040 Mon Sep 17 00:00:00 2001
From: keisuke-umezawa <keisuke.umezawa@gmail.com>
Date: Wed, 12 Oct 2022 23:24:18 +0900
Subject: [PATCH] Add labels and legend

---
 optuna_dashboard/ts/components/GraphHistory.tsx | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/optuna_dashboard/ts/components/GraphHistory.tsx b/optuna_dashboard/ts/components/GraphHistory.tsx
index b4b1bcc4..53a92c16 100644
--- a/optuna_dashboard/ts/components/GraphHistory.tsx
+++ b/optuna_dashboard/ts/components/GraphHistory.tsx
@@ -207,12 +207,14 @@ const plotHistory = (
       b: 0,
     },
     yaxis: {
+      title: "Objective Value",
       type: logScale ? "log" : "linear",
     },
     xaxis: {
+      title: xAxis === "number" ? "Trial" : "Time",
       type: xAxis === "number" ? "linear" : "date",
     },
-    showlegend: false,
+    showlegend: true,
     template: mode === "dark" ? plotlyDarkTemplate : {},
   }
 
@@ -280,12 +282,15 @@ const plotHistory = (
       y: filteredTrials.map(
         (t: Trial): number => t.values![objectiveId] as number
       ),
+      name: "Objective Value",
       mode: "markers",
       type: "scatter",
     },
     {
       x: xForLinePlot,
       y: yForLinePlot,
+      name: "Best Value",
+      mode :"lines",
       type: "scatter",
     },
   ]