From April 14 to 17, 2019, professor Chen Min of Chinese Academy of Sciences, professorYu Dan, professor Liu Yang of Central University of Finance and Economics, and professor Ji Hong of Capital University of Economics and Business gave lectures in our department, and set up an expert group to guide the discipline and specialty construction of our department. Dean Zhang Huanming, economic statistics Yang Yejun, deputy director of the statistics Zhang Kongsheng, deputy director of the institute successively to report back to the expert group for almost three years in statistical subject development and engineering construction. The expert group carefully listened to and inquired about the construction measures, achievements and characteristics of the college in terms of teaching staff, scientific research, social services, student training and other aspects in the process of discipline and specialty construction, affirmed the college's construction achievements and put forward valuable Suggestions on accelerating discipline and specialty development in the future.

 From April 17 to 21, 2019, professor Zhu Lixing of Hong Kong Baptist University will give a lecture in our department. Zhang Huanming, the dean, Li Xiaosheng, the vice President, the teachers of the high dimensional data research team of the college had in-depth exchanges with students and professor Zhu Lixing. Professor Zhu Lixing inquired about the current research interests and research progress of the team members of the school, and put forward valuable Suggestions on the research topic of the team members in combination with his own research topic. He hoped that the team members would aim at the research frontier in the future and publish more research results of high quality and high degree of display.

 On April 21-23, 2019, Beijing Normal School professor Tong Xingwei to the departmentl to give lectures, for college teachers and students to present the topic "The Propensity Score - -based spline approach for business causal effects" academic report. Dean Zhang Huanming, deputy dean Li Xiaosheng high-dimensional data, college research team of teachers and students to listen to the report. Professor Tong Xingwei put forward a new method of b-spline semi-parameter estimation in the analysis of causal relationship with propensity score method. His lecture is simple in depth and clearly explains the background and research ideas of the problem, which is a high-quality academic report.