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Visual exploration for time series data using multivariate analysis method

机译:使用多元分析方法视觉探索时间序列数据

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In the online teaching activities, there are various teaching data accumulated as time series and many methods to analyze the quality of teaching. But there are no such methods which can emphasize the status perception of the teaching-learning and the interaction between the teachers and students. In this paper, we adopt multivariate analysis method to help teachers improve their teaching and to promote the students' mastery of knowledge. We add the analysis of student learning status to reflect the students' learning ability clearly. Through statistical analysis, clustering algorithm and visualization, users can distinguish the students of different abilities and use different educational strategies. Our system named as AVOJ, including multivariate visual analysis and data mining methods, is proved usefully both in teaching and learning instruction.
机译:在在线教学活动中,按时间序列积累了各种教学数据,并分析了教学质量。但是,没有任何一种方法可以强调教学学习的状态感知以及师生之间的互动。在本文中,我们采用多元分析方法来帮助教师提高教学水平,促进学生对知识的掌握。我们添加了对学生学习状况的分析,以清晰地反映学生的学习能力。通过统计分析,聚类算法和可视化,用户可以区分能力不同的学生,并使用不同的教育策略。我们的名为AVOJ的系统(包括多元视觉分析和数据挖掘方法)在教学和学习指导中均得到了有效证明。

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