Updated and built docs

Author: kanhereashwin

notebooks/tutorials/navdata/navdata.ipynb

@@ -360,6 +360,15 @@
     "len(nav_data_csv)"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "nav_data_csv.num_cols"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},