GongYi This user comes from Taiwan. 本使用者來自 臺灣。 Taiwanese , my native language. zh-4 該用戶能以 地道的 中文進行交流。 该用户能以 地道的 中文进行交流。 en-2 This user can contribute with an intermediate level of English. FJCU This user attends or attended Fu Jen Catholic University. NCHU This user is or was a member of National Chung Hsing University. This User attends or attended the University of Connecticut. ${\displaystyle e^{i\pi \ }}$ This user is a mathematician. This user is a statistician. This user is a Bayesian. This user is interested in history. This user contributes using Linux. This user contributes using Ubuntu. This user contributes with GNOME. This user hacks happily with Emacs. prog This user is a programmer. C This user can program in C. C++ This user can program in C++. This user can program in R. Java This user can program in Java.

GongYi is a dropout Doctoral student，he is now researching the ultimate usage of /dev/null.

Curriculum vitae

Field of Research

• Time Series
• Longitudinal Data Analysis
• Multivariate Analysis

Master Thesis

His master thesis focues on the Growth Curve model

${\displaystyle {\underset {p\times N}{\mathbf {Y} }}={\underset {p\times m}{\mathbf {X} }}{\underset {m\times r}{\mathbf {\tau } }}{\underset {r\times N}{\mathbf {A} }}+{\underset {p\times N}{\mathbf {\epsilon } }}}$

where :${\displaystyle \mathbf {\epsilon } \sim {\mathcal {N}}\left(\mathbf {0} ,\mathbf {I} \otimes \mathbf {\Sigma } \right)}$ analysis with AR and ARCH properties of the covariance matrix

Wikipedia Contributions

Creation

• National ChungHsing University Userbox
• FuJen Catholic University Userbox

Translation

• Wishart distribution into Wishart分佈

Editing Policy

• Translate high-quality articles into Chinese.
• Keep consistency among articles in variant languages.

Editing Plan

• Taiwan-related articles
• Probability and Statistics related articles