Working Experience:
- 2000 Fall - Present, Research Assistant of Prof. Grace Wahba
- 1999 Fall, Teaching Assistant of Prof. Kam-Wah Tsui, Stat 301
- 1996 Summer - 1997, Part-time Programmer, Tianjin, China
Interesting Links:
- Sina Net
- MIT BBS
- Emacs (my favorite all-purpose editor, see my .emacs for NTEmacs)
- Perl / Python (programming languages mainly for text file handling)
- Software Tools (including stuff for SSH, file downloading and more)
Spline Stuff:
- R Tutorial on Smoothing Spline
- R Tutorial on Thin Plate Spline
- Splines on the Sphere (my small R package sspline)
- Matlab Interface for GCVSPL (my toolbox gcvsplmat)
- differences between my version and ANTONIADIS′s
- Thin Plate Spline Toolboxes (based on GCVPACK)
Presentations:
- Using Condor Effectively for Statistical Computing, Feb 2005. Department of Statistics, UW-Madison (pdf/4up pdf/4up ps)
- Thin Plate Spline Thresholding: A New Method for Magnetic Resonance Image Segmentation, Feb 2005. W. M. Keck Laboratory, UW-Madison (pdf/ps)
Publication:
- Xie, X., Chung, M. K., Wahba, G. Magnetic Resonance Image Segmentation with Thin Plate Spline Thresholding (html) 2005. Accepted for presentation at the 11th Annual meeting of the Organization for Human Brain Mapping, Toronto.
- Carew, J., Wahba, G., Xie, X., Nordheim, E., and Meyerand, M. Optimal Spline Smoothing of fMRI Time Series by Generalized Cross-Validation (pdf)TR 1058, June 2002. In NeuroImage 18, 950-961, 2003.

