Huang Tian-Yuan is a lecturer in School of Data Science, Zhengjiang University of Finance & Economics. He is fond of using cutting-edge data science techniques and Scientometrics skills to investigate questions on science of science. He is also a loyal R user using R to complete most of tasks in the research, including bibliometrics analysis, social network analysis, machine learning and data visualization. About R codes of my work, please visit https://github.com/hope-data-science.