Areas of Research / Professional Expertise
Clinical data presentation using beautiful and meaningful figures/graphs
Longitudinal data analyses
Missing Data Handling Techniques using LOCF, MI and MMRM.
I like to play golf and go hiking.
Published: Jun 25, 2015 by SAS Global Forum 2013 Proceedings
Authors: C. Liu
This paper introduces a new type of scatter plot, the Thunderstorm or rain-drop scatter plot with its application and production illustrated in examples.
Published: Jun 25, 2015 by MWSUG 2007 Conference Proceedings.
Authors: C Liu and D Cao
This paper studies proper use of the RANDOM and REPEATED statements in Proc Mixed to model three commonly used covariance structures - unstructured (UN), compound symmetry (CS), and auto-regressive (AR(1)).
By: Charlie Chunhua Liu
The half day short course will cover publication requirements on high-quality figures, discus principles to produce high-quality figures in SAS, demonstrate using both SAS/GRAPH and ODS Graphics Procedures to produce some commonly used types of figures (line plots, scatter plots, bee swarm plots, box plots, and box plots overlaid with bee swarm plots etc.).
The instructor will also demonstrate to produce the above mentioned high-quality figures in listing (EMF, EPS, etc.) and document formats (RTF, PDF etc.).