Merge pull request #226 from yoshinobc/fix-issues-198

Fix a bug when handling categorical parameter that contain number in the string

optuna_dashboard/ts/components/GraphParallelCoordinate.tsx

@@ -136,7 +136,7 @@ const plotCoordinate = (
       return param!.value
     })
     const isnum = valueStrings.every((v) => {
-      return !isNaN(parseFloat(v))
+      return !isNaN(Number(v))
     })
     if (isnum) {
       const values: number[] = valueStrings.map((v) => parseFloat(v))

optuna_dashboard/ts/components/GraphSlice.tsx

@@ -186,7 +186,7 @@ const plotSlice = (
   })
 
   const isnum = valueStrings.every((v) => {
-    return !isNaN(parseFloat(v))
+    return !isNaN(Number(v))
   })
   if (isnum) {
     const valuesNum: number[] = valueStrings.map((v) => parseFloat(v))