User:GongYi

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.

• Time Series
• Longitudinal Data Analysis
• Multivariate Analysis

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

• National ChungHsing University Userbox
• FuJen Catholic University Userbox

• Wishart distribution into Wishart分佈

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

• Taiwan-related articles
• Probability and Statistics related articles