Add K-means clustering

3.1.clustering_k_means.ipynb

@@ -286,7 +286,7 @@
     "cluster_centers = pd.DataFrame(kmeans.cluster_centers_, columns=df.columns[:-1])\n",
     "\n",
     "# Create and plot the heatmap\n",
-    "plt.figure(figsize=(10, 8))  # Optional: adjust the figure size for better visibility\n",
+    "plt.figure(figsize=(10, 8))\n",
     "sns.heatmap(cluster_centers.T, cmap=\"YlGnBu\", linewidths=0.5, linecolor='green')\n",
     "num_clusters = len(cluster_centers)\n",
     "plt.xticks(ticks=range(num_clusters), labels=[i + 1 for i in range(num_clusters)], rotation=0)\n",