}//end bitClusterDiscord() static public Tuple <double, int> squeezer(out List <int> cluster_belong, out RawDataType data, int N_LENGTH, int W_LENGTH, double threshold, string file_name, int type_convert_raw_data) { //read data data = IOFunctions.readFile(file_name); //raw timeseries data List <Cluster_Squeezer> b_cluster; var watch = System.Diagnostics.Stopwatch.StartNew();///calc execution time //call the function BitCluster.squeezerCluster(data, type_convert_raw_data, out b_cluster, out cluster_belong, threshold, N_LENGTH, W_LENGTH, file_name); watch.Stop();//stop timer var elapsedMs = watch.ElapsedMilliseconds; Console.WriteLine("________squeezerCluster is Done in " + elapsedMs + ".\nKeep going...Please wait"); // get Outer loop: List <int> outer_loop = getOuterLoop(b_cluster, b_cluster.Count); //get outer List <int> inner_loop; bool continue_to_outer_loop = false; double nearest_neighbor_dist = 0; double dist = 0; double best_so_far_dist = 0; int best_so_far_loc = 0; RawDataType p_center, q_center; bool[] is_skip_at_p = new bool[outer_loop.Count]; for (int i = 0; i < outer_loop.Count; i++) { is_skip_at_p[i] = false; } int cluster_of_cur_outer; //thang p dang nam o cluster nao int cluster_of_cur_inner; // tracking for q's cluster at inner loop //test int count_skip_at_p = 0; int count_break_sub_2_dis = 0; int count_dis_smaller_best_so_far = 0; int count_center_p_diff_center_q = 0; foreach (int p in outer_loop) { if (is_skip_at_p[p]) { count_skip_at_p++; //p was visited at inner loop before continue; } else { nearest_neighbor_dist = INFINITE; cluster_of_cur_outer = cluster_belong[p]; inner_loop = getInnerLoop(b_cluster, b_cluster.Count, cluster_of_cur_outer); foreach (int q in inner_loop)// inner loop { if (Math.Abs(p - q) < N_LENGTH) { continue;// self-match => skip to the next one } else { /*cluster_of_cur_inner = cluster_belong[q]; * * if (cluster_of_cur_inner != cluster_of_cur_outer) * { * count_center_p_diff_center_q++; * p_center = data.GetRange(b_cluster[cluster_of_cur_outer].getCluster().getCenterIndex(), N_LENGTH); * q_center = data.GetRange(b_cluster[cluster_of_cur_inner].getCluster().getCenterIndex(), N_LENGTH); * * if (distanceBetween2Clusters(p_center, q_center, b_cluster[cluster_of_cur_outer].getCluster().getRadius(), b_cluster[cluster_of_cur_inner].getCluster().getRadius()) >= best_so_far_dist) * { * continue_to_outer_loop = true; * count_break_sub_2_dis++; * break; * } * } */ //calculate the Distance between p and q dist = HelperFunctions.gaussDistance(data.GetRange(p, N_LENGTH), data.GetRange(q, N_LENGTH)); if (dist < best_so_far_dist) { //skip the element q at oute_loop, 'cuz if (p,q) is not a solution, so does (q,p). is_skip_at_p[q] = true; count_dis_smaller_best_so_far++; continue_to_outer_loop = true; //break, to the next loop at outer_loop break; // break at inner_loop first } if (dist < nearest_neighbor_dist) { nearest_neighbor_dist = dist; } } //end else } //end inner if (continue_to_outer_loop) { continue_to_outer_loop = false; //reset continue; //go to the next p in outer loop } if (nearest_neighbor_dist > best_so_far_dist) { best_so_far_dist = nearest_neighbor_dist; best_so_far_loc = p; } } //end else } //end outter Console.WriteLine("count_skip_at_p =" + count_skip_at_p); Console.WriteLine("=======count_break_sub_2_dis =" + count_break_sub_2_dis); Console.WriteLine("count_dis_smaller_best_so_far =" + count_dis_smaller_best_so_far); Console.WriteLine("count_center_p_diff_center_q=" + count_center_p_diff_center_q); return(new Tuple <double, int>(best_so_far_dist, best_so_far_loc)); }//end bitClusterDiscord_Enhancement()
//algorithm 2: static public Tuple <double, int> bitClusterDiscord(out RawDataType data, int N_LENGTH, int W_LENGTH, int K_CENTERS, string file_name) { //read data data = IOFunctions.readFile(file_name); //raw timeseries data //store Bit series data Dictionary <int, BitseriesType> bit_series_data = HelperFunctions.bitSeriesDataset(data, N_LENGTH, W_LENGTH);//get bit series data from original data //line 6: run algorithm 1 to have b_cluster List <Cluster> b_cluster; List <int> cluster_belong; BitCluster.bitCluster(out b_cluster, out cluster_belong, K_CENTERS, N_LENGTH, W_LENGTH, file_name); Console.WriteLine("Algorithm1 is Done !\nKeep going...Please wait"); // get Outer loop: List <int> outer_loop = getOuterLoop(b_cluster, K_CENTERS); //get outer List <int> inner_loop; bool continue_to_outer_loop = false; double nearest_neighbor_dist = 0; double dist = 0; double best_so_far_dist = 0; int best_so_far_loc = 0; RawDataType p_center, q_center; bool[] is_skip_at_p = new bool[outer_loop.Count]; for (int i = 0; i < outer_loop.Count; i++) { is_skip_at_p[i] = false; } int cluster_of_cur_outer; //thang p dang nam o cluster nao int cluster_of_cur_inner; // tracing for q's cluster at inner loop foreach (int p in outer_loop) { //if (is_skip_at_p[p] || Math.Abs(p - 10867) < N_LENGTH || Math.Abs(p - 3994) < N_LENGTH // || Math.Abs(p - 13492) < N_LENGTH)// if (is_skip_at_p[p]) { //p was visited at inner loop before continue; } else { nearest_neighbor_dist = INFINITE; cluster_of_cur_outer = cluster_belong[p]; inner_loop = getInnerLoop(b_cluster, K_CENTERS, cluster_of_cur_outer); foreach (int q in inner_loop)// inner loop { if (Math.Abs(p - q) < N_LENGTH) { continue;// self-match => skip to the next one } else { cluster_of_cur_inner = cluster_belong[q]; p_center = data.GetRange(b_cluster[cluster_of_cur_outer].getCenterIndex(), N_LENGTH); q_center = data.GetRange(b_cluster[cluster_of_cur_inner].getCenterIndex(), N_LENGTH); if (distanceBetween2Clusters(p_center, q_center, b_cluster[cluster_of_cur_outer].getRadius(), b_cluster[cluster_of_cur_inner].getRadius()) >= best_so_far_dist) { continue_to_outer_loop = true; break; } //calculate the Distance between p and q dist = HelperFunctions.gaussDistance(data.GetRange(p, N_LENGTH), data.GetRange(q, N_LENGTH)); if (dist < best_so_far_dist) { //skip the element q at oute_loop, 'cuz if (p,q) is not a solution, so does (q,p). is_skip_at_p[q] = true; continue_to_outer_loop = true; //break, to the next loop at outer_loop break; // break at inner_loop first } if (dist < nearest_neighbor_dist) { nearest_neighbor_dist = dist; } } //end else } //end inner if (continue_to_outer_loop) { continue_to_outer_loop = false; //reset continue; //go to the next p in outer loop } if (nearest_neighbor_dist > best_so_far_dist) { best_so_far_dist = nearest_neighbor_dist; best_so_far_loc = p; } } //end else } //end outter return(new Tuple <double, int>(best_so_far_dist, best_so_far_loc)); }