Save netbook before experiment

I want to try normalizing the heatmaps by the number of method calls.

JBrainy model investigation.ipynb

@@ -817,7 +817,7 @@
     "# Single value\n",
     "features = data[\"data\"].iloc[0].get(data[\"software_selected_columns\"])\n",
     "features_bool = ((features > 0) * 1).to_frame()\n",
-    "product = features_bool.dot(features_bool.transpose()) # Eh bah putain, ca m'a pris rois plombes!\n",
+    "product = features_bool.dot(features_bool.transpose()) # Eh bah putain, ca m'a pris trois plombes!\n",
     "fig = plt.figure(figsize=(10,10))\n",
     "sns.heatmap(product)\n",
     "fig.savefig(\"heatmap_example.pdf\")"