feat: Round values in graphic of the confusion matrix

TASK: IL-347

src/examples/issue_classification_user_journey.ipynb

@@ -43,8 +43,6 @@
    "outputs": [],
    "source": [
     "### Helper methods ###\n",
-    "\n",
-    "\n",
     "def display_histograms(\n",
     "    expected_labels_histogram: dict[str, int],\n",
     "    predicted_labels_histogram: dict[str, int],\n",
@@ -95,7 +93,14 @@
     "\n",
     "    for i in range(len(expected_labels)):\n",
     "        for j in range(len(predicted_labels)):\n",
-    "            ax.text(j, i, cross_table_values[i, j], ha=\"center\", va=\"center\", color=\"w\")\n",
+    "            ax.text(\n",
+    "                j,\n",
+    "                i,\n",
+    "                round(cross_table_values[i, j]),\n",
+    "                ha=\"center\",\n",
+    "                va=\"center\",\n",
+    "                color=\"w\",\n",
+    "            )\n",
     "\n",
     "    ax.set_title(\"Confusion Matrix of Expected vs Predicted Labels\")\n",
     "    ax.set_xlabel(\"Predicted Labels\")\n",