这是楼主大四时去听某外校博士生导师讲座后写的听后感。当时听不懂也要去,老师为了加人捧场,本科生都叫去好几个,有加分的。写的不好,因为当时没有听懂。 大家可以继续讨论,把你们的学术报告听后感也分享出来,这个也会有奖励的。
Reflection on “Sufficient Dimension Reduction: From Theory to Applications”
On 日期和时间, in 地点, 某某博士生导师 gave a presentation entitled “Sufficient Dimension Reduction: From Theory to Applications.” He introduced himself by saying that he graduated from 某某大学 with a Statistics Ph.D. degree in 2003 and he was interested in researching dimension reduction, variable selection, and computational biology. He defined the sufficient dimension reduction as a tool for statisticians to analyze data by using matrices. He wanted to apply the theory of sufficient dimension reduction to solve problems that exist in biology. One of his research goals was to find genes that are associated with disease traits. In order to achieve the goal, he used sufficient dimension reduction techniques to identify disease genes first, and then test the significance with permutation tests. In addition, he used gene pathway analysis to show that genes were associated with two disease traits: binary trait and continuous trait. He also found that sufficient dimension reduction estimation in least squares can help select variables and work for symmetric data or matrices.
However, I felt that although he did a good job in introducing his methodology, he did not give much detail to clearly explain the mean of his data results to undergraduate students or the general public rather than statistics professors. In short and to be honest, I did not quite understand his main analyses regarding the use of sufficient dimension reduction in biology because of my limited undergraduate background and his insufficient interpretation of the problem-solving procedure. If I could have read more of his research papers or other scholars’ related papers and get a basic idea about his research before attending the presentation, I would have had a better understanding on his research methodology and results analyses.