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31. Rank correlation analyses show that all of the runoff sequence change with tendency, and the sudden change appeared in 1948, as concluded by order cluster analysis method.

32. Dauricine was taken as a lead compound and the Q-model information cluster analysis was employed for the computer-aided molecular design.

33. Methods: The data from RP - HPLC analyzed by similarity evaluation, principle component analysis and system cluster analysis.

34. In this paper, cluster analysis and fuzzy classification methods for vector field are presented, with an example and preliminary discussion.

35. The ecological relationships of weeds in early rice fields in this area were also analyzed by the minimal tree method of cluster analysis and polar ordination.

36. OBJECTIVES To introduce a simple chemical pattern recognition - cluster analysis in chemical classification of Chinese medicinal materials.

37. Methods:Cluster analysis was used to analyze standardized rank order of the examples and original index values respectively.

38. Chimonanthus praecox could be divided into three groups by UPGMA cluster analysis.

39. Four indexes, transverse crack, longitudinal crack, rut depth and friction coefficient, are used to found the cluster analysis model.

40. Potassium, cuprum and cobalt are found to be the key factors influencing the titer of erythromycin by co-using attribute reduction EDMAR in rough set and cluster analysis.

41. Methods Cluster analysis and discriminative analysis were adopted for their identification.

42. Constellation diagram and contiguous vector diagram are audiovisual methods in multivariate statistics, they may be used for the cluster analysis of multivariate sample or index.

43. The course of cluster analysis is a course for compartmentalizing. And equivalence relation is the base of compartmentalizing. The paper does construct equivalence relation by comparability.

44. Cluster analysis via NTSYS-PC software showed that Citrus was close to Fortunella.

45. Various demographic, behavioural, and psychographic patterns are built up using techniques such as cluster analysis.

46. Correlation cluster analysis was computerized of 24 quantitative characters ofslash pine.

47. Heterotic groups were classified by cluster analysis with RAPDs based on 16 important maize inbreds.

48. Carried on the cluster analysis of relationship between regional science and technology input and economic growth, the author divided our country into three kinds of regions.

49. The standard of seedling grading of Pterocarpus indicus was studied by using the methods of gradual cluster analysis.

50. Using the dipole concept, a new consistency criterion is given and a group method of data handling (GMDH) cluster analysis approach is presented.

51. Based on the cluster analysis, domestic yellow cattle breeds in Shandong were descended from two matrilines:one was European Bos taurus, and the other was B. indicus.

52. Cluster analysis and phylogenic tree showed the genetic affinity between Bai, Dai, Yi, and Tibet populations.

53. This procedure in the realization of fuzzy cluster analysis algorithm to achieve through the recursive classification.

54. Unweighed averages ( UPGMA ) cluster analysis used to construct a dendrogram and to estimate the genetic distances.

55. The cluster analysis showed the similarity value ranged from 0.757 - 0.940. Sentencedict.com

56. The concepts of fuzzy number fuzzy sets and fuzzy similar matrix are presented. The cluster analysis theory based on fuzzy number fuzzy sets and the concept of classifying believe degree are set up.

57. The results indicate that cladistic analysis is not only as effective as Q cluster analysis in grouping taxa, but also could reveal the phylogenetic relationships of the taxa in question.

58. This paper analyzes several methods of cluster analysis and puts on some representative ones.

59. By means of multielement analysis, 7 character indexes of 49 breeding material had been made by a main composition and cluster analysis in malting barley.

60. F- statistic is introduced to evaluate the effectiveness of the cluster analysis for realizing a self - adaptive fuzzy clustering and avoiding subjectivity in the selection of cluster number .