Presentation is loading. Please wait.

Presentation is loading. Please wait.

Interface / CSNA Meeting St. Louis

Similar presentations


Presentation on theme: "Interface / CSNA Meeting St. Louis"— Presentation transcript:

1 Interface / CSNA Meeting St. Louis
Estimating the Cluster Tree of a Density Werner Stuetzle Rebecca Nugent Department of Statistics University of Washington June 11, 2005 Interface / CSNA Meeting St. Louis

2 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

3 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

4 Interface / CSNA Meeting St. Louis
Groups K-means with k = 2 June 11, 2005 Interface / CSNA Meeting St. Louis

5 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

6 Interface / CSNA Meeting St. Louis
Detect that there are 5 or 6 distinct groups. Assign group labels to observations. June 11, 2005 Interface / CSNA Meeting St. Louis

7 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

8 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

9 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

10 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

11 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

12 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

13 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

14 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

15 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

16 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

17 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

18 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

19 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

20 Interface / CSNA Meeting St. Louis
rs = 1 rs = 5 rs = 2 June 11, 2005 Interface / CSNA Meeting St. Louis

21 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

22 Interface / CSNA Meeting St. Louis
Note large tree fragments in bottom left panel June 11, 2005 Interface / CSNA Meeting St. Louis

23 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

24 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

25 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

26 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

27 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

28 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

29 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

30 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

31 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

32 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

33 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

34 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

35 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

36 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

37 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

38 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

39 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

40 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

41 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

42 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

43 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

44 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

45 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

46 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

47 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

48 Interface / CSNA Meeting St. Louis
rs = 1 rs = 5 rs = 2 June 11, 2005 Interface / CSNA Meeting St. Louis

49 Interface / CSNA Meeting St. Louis
Runt Pruning algorithm: generate_cluster_tree_node (mst, runt_size_threshold) { node = new_cluster_tree_node node.leftson = node.rightson = NULL node.obs = leaves (mst) cut_edge = longest_edge_with_large_runt_size (mst, runt_size_threshold) if (cut_edge) { node.leftson = generate_cluster_tree_node (left_subtree (cut_edge), runt_size_threshold) node.rightson = generate_cluster_tree_node (right_subtree (cut_edge), runt_size_threshold) } return (node) } rs = 1 rs = 5 rs = 2 June 11, 2005 Interface / CSNA Meeting St. Louis

50 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

51 Interface / CSNA Meeting St. Louis
Note large tree fragments in bottom left panel June 11, 2005 Interface / CSNA Meeting St. Louis

52 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

53 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

54 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

55 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

56 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

57 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

58 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

59 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

60 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

61 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

62 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

63 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

64 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

65 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

66 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

67 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

68 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

69 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

70 Interface / CSNA Meeting St. Louis
June 11, 2005 Interface / CSNA Meeting St. Louis

71 Interface / CSNA Meeting St. Louis
Runt Pruning algorithm: generate_cluster_tree_node (mst, runt_size_threshold) { node = new_cluster_tree_node node.leftson = node.rightson = NULL node.obs = leaves (mst) cut_edge = longest_edge_with_large_runt_size (mst, runt_size_threshold) if (cut_edge) { node.leftson = generate_cluster_tree_node (left_subtree (cut_edge), runt_size_threshold) node.rightson = generate_cluster_tree_node (right_subtree (cut_edge), runt_size_threshold) } return (node) } rs = 1 rs = 5 rs = 2 June 11, 2005 Interface / CSNA Meeting St. Louis


Download ppt "Interface / CSNA Meeting St. Louis"

Similar presentations


Ads by Google