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A Phylogenetic Model For Understanding The Effect Of Gene Duplication On Cancer Progression, Qin Ma, Jaxk H. Reeves, David A. Liberles, Lili Yu, Zheng Chang, Jing Zhao, Juan Cui, Ying Xu, Liang Liu Mar 2014

A Phylogenetic Model For Understanding The Effect Of Gene Duplication On Cancer Progression, Qin Ma, Jaxk H. Reeves, David A. Liberles, Lili Yu, Zheng Chang, Jing Zhao, Juan Cui, Ying Xu, Liang Liu

Biostatistics: Faculty Publications

As biotechnology advances rapidly, a tremendous amount of cancer genetic data has become available, providing an unprecedented opportunity for understanding the genetic mechanisms of cancer. To understand the effects of duplications and deletions on cancer progression, two genomes (normal and tumor) were sequenced from each of five stomach cancer patients in different stages (I, II, III and IV). We developed a phylogenetic model for analyzing stomach cancer data. The model assumes that duplication and deletion occur in accordance with a continuous time Markov Chain along the branches of a phylogenetic tree attached with five extended branches leading to the tumor …


Orientation Via Enclosure Geometry By Blind-Folded Adults: Evidence Against View-Based Matching Theories Of Spatial Orientation, Marshall L. Green, Katherine A. Gaskin, Jonathan E. Roberts, Bradley R. Sturz Mar 2014

Orientation Via Enclosure Geometry By Blind-Folded Adults: Evidence Against View-Based Matching Theories Of Spatial Orientation, Marshall L. Green, Katherine A. Gaskin, Jonathan E. Roberts, Bradley R. Sturz

Psychology: Faculty Presentations (2009-2022)

Although spatial orientation via geometric properties of an environment is an ability shared across species, debate remains concerning similarities and differences in the underlying mechanism(s). One theoretical account of spatial orientation suggests that participants match visual memories to current visual perception and navigate to reduce discrepancy between the two. We tested a view-based matching account of spatial orientation by training disoriented and blind-folded human participants to search by touch for a target object hidden in one of four locations marked by distinctive textural cues located in the corners of a rectangular enclosure. Following training, we removed the distinctive textural cues …


An Asymmetry In Shape And Shape Word Interference: Evidence For Core Geometric Knowledge, Joshua E. Edwards, Ty W. Boyer, Bradley R. Sturz Mar 2014

An Asymmetry In Shape And Shape Word Interference: Evidence For Core Geometric Knowledge, Joshua E. Edwards, Ty W. Boyer, Bradley R. Sturz

Psychology: Faculty Presentations (2009-2022)

Nativists have postulated fundamental geometric knowledge that predates linguistic and symbolic thought. Central to these claims is the existence of an isolated cognitive system dedicated to processing geometric information. Testing such hypotheses presents challenges due to difficulties in eliminating the combination of geometric and non-geometric information through language. We present evidence using a modified matching interference paradigm that an incongruent shape word interferes with identifying a shape, but an incongruent shape does not interfere with identifying a shape word. This asymmetry in shape and shape word interference suggests that shape words activate spatial representations of shapes but shapes do not …


The George-Anne, Georgia Southern University Feb 2014

The George-Anne, Georgia Southern University

The George-Anne

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The Inkwell, Armstrong Atlantic State University Feb 2014

The Inkwell, Armstrong Atlantic State University

The Inkwell

No abstract provided.


Newsroom, Georgia Southern University Feb 2014

Newsroom, Georgia Southern University

Newsroom (2006-2023)

  • Georgia Southern University Celebrates Arbor Day


The George-Anne, Georgia Southern University Feb 2014

The George-Anne, Georgia Southern University

The George-Anne

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The George-Anne, Georgia Southern University Feb 2014

The George-Anne, Georgia Southern University

The George-Anne

  • It's been my sign for 10 years. "IT'S NOT CHANGING"
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Faculty Senate Bill Fsb-2014-02-17-02-Gac: Graduate Affairs Committee, Armstrong Atlantic State University Feb 2014

Faculty Senate Bill Fsb-2014-02-17-02-Gac: Graduate Affairs Committee, Armstrong Atlantic State University

Armstrong Faculty Senate: Bills, Motions & Resolutions (Archived)

Faculty Senate Bill FSB-2014-02-17-02-GAC: Graduate Affairs Committee


February 17, 2014 Aasu Faculty Senate Minutes, Armstrong State University Feb 2014

February 17, 2014 Aasu Faculty Senate Minutes, Armstrong State University

Armstrong Faculty Senate: Minutes (Archived)

February 17, 2014 AASU Faculty Senate Minutes


February 17, 2014 Aasu Faculty Senate Agenda, Armstrong State University Feb 2014

February 17, 2014 Aasu Faculty Senate Agenda, Armstrong State University

Armstrong Faculty Senate: Armstrong Faculty Senate Agenda (Archived)

February 17, 2014 AASU Faculty Senate Agenda


Georgia Southern University,Cosm News, Georgia Southern University Feb 2014

Georgia Southern University,Cosm News, Georgia Southern University

College of Science & Mathematics: News & Publications (2012-2022)

  • COSM Undergrad presents at 46th Annual Southeastern Undergraduate Regional Conference (SURC)
  • Physics Professor and Student’s Work Featured on the Cover of Nature


Newsroom, Georgia Southern University Feb 2014

Newsroom, Georgia Southern University

Newsroom (2006-2023)

  • Georgia Southern University Selects 2014 SOAR Leaders
  • Symphonic Wind Ensemble Invited To Perform At Conference


February 4, 2014 Aasu Graduate Affairs Committee Minutes, Armstrong Atlantic State University Feb 2014

February 4, 2014 Aasu Graduate Affairs Committee Minutes, Armstrong Atlantic State University

Armstrong Office of the Registrar: Graduate Affairs Committee Minutes (Archived)

February 4, 2014 AASU Graduate Affairs Committee Minutes


Points Of Pride, Georgia Southern University Feb 2014

Points Of Pride, Georgia Southern University

Points of Pride (2013-2023)

  • Rankings
  • Academics
  • Athletics
  • Facilities
  • Outreach
  • Research


The Inkwell, Armstrong Atlantic State University Feb 2014

The Inkwell, Armstrong Atlantic State University

The Inkwell

No abstract provided.


Cholera Transmission Dynamic Models For Public Health Practitioners, Isaac Chun-Hai Fung Feb 2014

Cholera Transmission Dynamic Models For Public Health Practitioners, Isaac Chun-Hai Fung

Epidemiology: Faculty Publications (2002-2018)

Great progress has been made in mathematical models of cholera transmission dynamics in recent years. However, little impact, if any, has been made by models upon public health decision-making and day-to-day routine of epidemiologists. This paper provides a brief introduction to the basics of ordinary differential equation models of cholera transmission dynamics. We discuss a basic model adapted from Codeço (2001), and how it can be modified to incorporate different hypotheses, including the importance of asymptomatic or inapparent infections, and hyperinfectious V. choleraeand human-to-human transmission. We highlight three important challenges of cholera models: (1) model misspecification and parameter uncertainty, …


The George-Anne, Georgia Southern University Feb 2014

The George-Anne, Georgia Southern University

The George-Anne

  • Taking a Bite out of Revenue
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Research Express News, Georgia Southern University Feb 2014

Research Express News, Georgia Southern University

Research & Economic Development

  • Annual Research Symposium – Submit Your Abstract Today


The Inkwell, Armstrong Atlantic State University Feb 2014

The Inkwell, Armstrong Atlantic State University

The Inkwell

No abstract provided.


The George-Anne, Georgia Southern University Feb 2014

The George-Anne, Georgia Southern University

The George-Anne

  • Ban on Tobacco?
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The George-Anne, Georgia Southern University Jan 2014

The George-Anne, Georgia Southern University

The George-Anne

  • Snow Storm 2014
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Weighted Inverse Weibull Distribution: Statistical Properties And Applications, Valeriia Sherina, Broderick O. Oluyede Jan 2014

Weighted Inverse Weibull Distribution: Statistical Properties And Applications, Valeriia Sherina, Broderick O. Oluyede

Mathematical Sciences: Faculty Publications

In this paper, the weighted inverse Weibull (WIW) class of distributions is proposed and studied. This class of distributions contains several models such as: length-biased, hazard and reverse hazard proportional inverse Weibull, proportional inverse Weibull, inverse Weibull, inverse exponential, inverse Rayleigh, and Fr´echet distributions as special cases. Properties of these distributions including the behavior of the hazard function, moments, coefficients of variation, skewness, and kurtosis, R´enyi entropy and Fisher information are presented. Estimates of the model parameters via method of maximum likelihood (ML) are presented. Extensive simulation study is conducted and numerical examples are given.


The Inkwell, Armstrong Atlantic State University Jan 2014

The Inkwell, Armstrong Atlantic State University

The Inkwell

No abstract provided.


The George-Anne, Georgia Southern University Jan 2014

The George-Anne, Georgia Southern University

The George-Anne

  • Cable Addition Means Faster Internet Speed
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Faculty Senate Bill Fsb-2014-01-27-01b: University Curriculum Committee, Armstrong Atlantic State University Jan 2014

Faculty Senate Bill Fsb-2014-01-27-01b: University Curriculum Committee, Armstrong Atlantic State University

Armstrong Faculty Senate: Bills, Motions & Resolutions (Archived)

Faculty Senate Bill FSB-2014-01-27-01b: University Curriculum Committee


January 27, 2014 Aasu Faculty Senate Agenda, Armstrong State University Jan 2014

January 27, 2014 Aasu Faculty Senate Agenda, Armstrong State University

Armstrong Faculty Senate: Armstrong Faculty Senate Agenda (Archived)

January 27, 2014 AASU Faculty Senate Agenda


Faculty Senate Bill Fsb-2014-01-27-01a: University Curriculum Committee, Armstrong Atlantic State University Jan 2014

Faculty Senate Bill Fsb-2014-01-27-01a: University Curriculum Committee, Armstrong Atlantic State University

Armstrong Faculty Senate: Bills, Motions & Resolutions (Archived)

Faculty Senate Bill FSB-2014-01-27-01a: University Curriculum Committee


The Inkwell, Armstrong Atlantic State University Jan 2014

The Inkwell, Armstrong Atlantic State University

The Inkwell

No abstract provided.


The George-Anne, Georgia Southern University Jan 2014

The George-Anne, Georgia Southern University

The George-Anne

  • 'Moving Forward in Unity'
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