By analyzing the correlation between courses in students’grades,we can provide a decision-making basis for the revision of courses and syllabi,rationally optimize courses,and further improve teaching effects.With the...By analyzing the correlation between courses in students’grades,we can provide a decision-making basis for the revision of courses and syllabi,rationally optimize courses,and further improve teaching effects.With the help of IBM SPSS Modeler data mining software,this paper uses Apriori algorithm for association rule mining to conduct an in-depth analysis of the grades of nursing students in Shandong College of Traditional Chinese Medicine,and to explore the correlation between professional basic courses and professional core courses.Lastly,according to the detailed analysis of the mining results,valuable curriculum information will be found from the actual teaching data.展开更多
为探明导致城市轨道交通运营事故发生的风险链式传导机理,构建事故风险链,提出FTA-Apriori(Fault Tree Analysis-Apriori)风险链构建方法。首先,针对城市轨道交通运营中风险灾害度高但支持度低的特点对Apriori算法进行改进,并通过灾害...为探明导致城市轨道交通运营事故发生的风险链式传导机理,构建事故风险链,提出FTA-Apriori(Fault Tree Analysis-Apriori)风险链构建方法。首先,针对城市轨道交通运营中风险灾害度高但支持度低的特点对Apriori算法进行改进,并通过灾害度与支持度二维耦合挖掘风险间的强关联规则;其次,通过FTA方法构建风险事故树,挖掘导致事故发生的风险组合,进而与强关联规则结合构建风险链。研究结果可为城市轨道交通运营风险链的构建提供一种全新的方法,进而揭示导致事故发生的风险链式传播机理,为风险链断链位置及风险精细化管控提供理论指导。展开更多
文摘By analyzing the correlation between courses in students’grades,we can provide a decision-making basis for the revision of courses and syllabi,rationally optimize courses,and further improve teaching effects.With the help of IBM SPSS Modeler data mining software,this paper uses Apriori algorithm for association rule mining to conduct an in-depth analysis of the grades of nursing students in Shandong College of Traditional Chinese Medicine,and to explore the correlation between professional basic courses and professional core courses.Lastly,according to the detailed analysis of the mining results,valuable curriculum information will be found from the actual teaching data.
文摘为探明导致城市轨道交通运营事故发生的风险链式传导机理,构建事故风险链,提出FTA-Apriori(Fault Tree Analysis-Apriori)风险链构建方法。首先,针对城市轨道交通运营中风险灾害度高但支持度低的特点对Apriori算法进行改进,并通过灾害度与支持度二维耦合挖掘风险间的强关联规则;其次,通过FTA方法构建风险事故树,挖掘导致事故发生的风险组合,进而与强关联规则结合构建风险链。研究结果可为城市轨道交通运营风险链的构建提供一种全新的方法,进而揭示导致事故发生的风险链式传播机理,为风险链断链位置及风险精细化管控提供理论指导。