<p>Master Candidate in Department of  Medical Statistics &amp; Epidemiology, School of Public Health, Sun Yat-sen University ,
No.74, Zhongshan 2nd Road, Guangzhou, P.R.China, 510080</p>

<p>Emai：maxingh@mail2.sysu.edu.cn;276699320@qq.com </p>

<p>Interest in statistics and R !</p>

XingHua.Ma