Replace removed Plotly distribution plot helper

Author: tdhopper

Examples.ipynb

@@ -16,7 +16,6 @@
     "from plotnine import *\n",
     "import numpy as np\n",
     "\n",
-    "from plotly import figure_factory\n",
     "from plotly import graph_objects\n",
     "import plotly.express as px\n",
     "from IPython.core.magic import Magics, magics_class, cell_magic\n",
@@ -2801,16 +2800,19 @@
    },
    "outputs": [],
    "source": [
-    "fig = figure_factory.create_distplot(\n",
-    "    [diamonds[\"depth\"][diamonds[\"cut\"] == c].values \n",
-    "     for c in diamonds.cut.unique()\n",
-    "    ],\n",
-    "    diamonds.cut.unique(),\n",
-    "    show_hist=False,\n",
-    "    show_rug=False,\n",
-    ")\n",
-    "for d in fig[\"data\"]:\n",
-    "    d.update({\"fill\": \"tozeroy\"})\n",
+    "from scipy.stats import gaussian_kde\n",
+    "\n",
+    "fig = graph_objects.Figure()\n",
+    "for cut in diamonds[\"cut\"].unique():\n",
+    "    depth = diamonds.loc[\n",
+    "        diamonds[\"cut\"] == cut, \"depth\"]\n",
+    "    grid = np.linspace(\n",
+    "        depth.min(), depth.max(),\n",
+    "        500, endpoint=False)\n",
+    "    fig.add_trace(graph_objects.Scatter(\n",
+    "        x=grid, y=gaussian_kde(depth)(grid),\n",
+    "        mode=\"lines\", fill=\"tozeroy\",\n",
+    "        name=cut))\n",
     "Image(fig.to_image(format=\"png\", width=750, height=750))"
    ]
   },