Small updates

service/src/operations.rs

@@ -1505,7 +1505,7 @@ pub fn read_mutual_scores(
 
     for (node, score) in ranks {
         let info = self.node_info_from_id(node).clone();
-        if score > 0.0 {
+        if score > 0.0 && info.kind == NodeKind::User {
             let reversed_score = self.fetch_score_reversed(context, ego_id, node);
             v.push((ego.to_string(), info.name.clone(), reversed_score));
             points.push((node, reversed_score));
@@ -1516,7 +1516,7 @@ pub fn read_mutual_scores(
     let normalized_points = Self::normalize_data(&points);
 
     // Perform k-means clustering on normalized points
-    let cluster_count = 3; // Define the number of clusters here
+    let cluster_count = 3;
     let max_iterations = 100;
     let tolerance = 0.01;
     let clusters = Self::kmeans(&normalized_points, cluster_count, max_iterations, tolerance);