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- Qiaoning Guan, Wei Zheng, +5 authors Michael R. Culbertson
- PLoS genetics
- 2006

Nonsense-mediated mRNA decay (NMD) is a eukaryotic mechanism of RNA surveillance that selectively eliminates aberrant transcripts coding for potentially deleterious proteins. NMD also functions in the normal repertoire of gene expression. In Saccharomyces cerevisiae, hundreds of endogenous RNA Polymerase II transcripts achieve steady-state levels that… (More)

- Yuan Ji, Kam-Wah Tsui, KyungMann Kim
- Bioinformatics
- 2005

MOTIVATION
The classification of samples using gene expression profiles is an important application in areas such as cancer research and environmental health studies. However, the classification is usually based on a small number of samples, and each sample is a long vector of thousands of gene expression levels. An important issue in parametric modeling… (More)

Next-generation sequencing (NGS) technology generates millions of short reads, which provide valuable information for various aspects of cellular activities and biological functions. A key step in NGS applications (e.g., RNA-Seq) is to map short reads to correct genomic locations within the source genome. While most reads are mapped to a unique location, a… (More)

- Bo Hu, Kam-Wah Tsui
- Computational Statistics & Data Analysis
- 2010

- Yuan Yuan, Clift Norris, Yanxun Xu, Kam-Wah Tsui, Yuan Ji, Han Liang
- BMC Genomics
- 2012

RNA sequencing (RNA-seq) has become a major tool for biomedical research. A key step in analyzing RNA-seq data is to infer the origin of short reads in the source genome, and for this purpose, many read alignment/mapping software programs have been developed. Usually, the majority of mappable reads can be mapped to one unambiguous genomic location, and… (More)

- Shaohua Fan, Stephen Chenney, Bo Hu, Kam-Wah Tsui, Yu-Chi Lai
- Comput. Graph. Forum
- 2006

We present the Optimizing Control Variate (OCV) estimator, a new estimator for Monte Carlo rendering. Based upon a deterministic sampling framework, OCV allows multiple importance sampling functions to be combined in one algorithm. Its optimizing nature addresses a major problem with control variate estimators for rendering: users supply a generic… (More)

- Tom Leonard, Kam-Wah Tsui
- 1991

Finite sample inference procedures are considered for analyzing the observed scores on a multiple choice test with several items, where, for example, the items are dissimilar, or the item responses are correlated. A discrete p-parameter exponential family model leads to a generalized linear model framework and, in a special case, a convenient regression of… (More)

- Bo Hu, Yuan Ji, Kam-Wah Tsui
- Biometrics
- 2008

SUMMARY
Inverse dose-response estimation refers to the inference of an effective dose of some agent that gives a desired probability of response, say 0.5. We consider inverse dose response for two agents, an application that has not received much attention in the literature. Through the posterior profiling technique (Hsu, 1995, The Canadian Journal of… (More)

- Seungbong Han, Adin-Cristian Andrei, Kam-Wah Tsui
- Communications in Statistics - Simulation and…
- 2014

- Bo Hu, Kam-Wah Tsui
- 2005

Sampling from multimodal and high dimensional target distribution posits a great challenge in Bayesian analysis. This paper combines the attractive features of the distributed genetic algorithm and the Markov Chain Monte Carlo, resulting in a new Monte Carlo algorithm Distributed Evolutionary Monte Carlo (DEMC) for real-valued problems. DEMC evolves a… (More)