Biometry

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  Subject Areas on Research

  • "Smooth" semiparametric regression analysis for arbitrarily censored time-to-event data. 
  • A Bayesian approach for joint modeling of cluster size and subunit-specific outcomes. 
  • A Bayesian hierarchical approach for combining case-control and prospective studies. 
  • A Bayesian latent variable mixture model for longitudinal fetal growth. 
  • A biometric latent curve analysis of memory decline in older men of the NAS-NRC twin registry. 
  • A biometrical genome search in rats reveals the multigenic basis of blood pressure variation. 
  • A bivariate frailty model with a cure fraction for modeling familial correlations in diseases. 
  • A comparison of risk prediction methods using repeated observations: an application to electronic health records for hemodialysis. 
  • A comparison of two formats for teaching critical reading skills in a medical journal club. 
  • A diagnostic for Cox regression with discrete failure-time models. 
  • A general approach for two-stage analysis of multilevel clustered non-Gaussian data. 
  • A generalized estimating equation approach for modeling random length binary vector data. 
  • A high-throughput histoarray for quantitative molecular profiling of multiple, uniformly oriented medaka (Oryzias latipes) embryos. 
  • A nonparametric Bayesian modeling approach for cytogenetic dosimetry. 
  • A novel kernel-based maximum a posteriori classification method. 
  • A penalized likelihood approach for investigating gene-drug interactions in pharmacogenetic studies. 
  • A primer of biostatistic and economic methods for diagnostic and prognostic modeling in nuclear cardiology: Part II. 
  • A semiparametric empirical likelihood method for biased sampling schemes with auxiliary covariates. 
  • A semiparametric likelihood approach to joint modeling of longitudinal and time-to-event data. 
  • A simple technique for insertion of distal screws into interlocking nails. 
  • A transformation approach for incorporating monotone or unimodal constraints. 
  • ADHD symptoms in children with FXS. 
  • Addressing the unit of analysis in medical care studies: a systematic review. 
  • Age-specific prevalence and years of healthy life in a system with three health states. 
  • An overview on assessing agreement with continuous measurements. 
  • Analysis of categorical data by linear models. 
  • Angle-closure glaucoma in Asians: comparison of biometric and anterior segment parameters between Japanese and Chinese subjects. 
  • Anterior chamber dimensions and posterior corneal arc length in Malay eyes: an anterior segment optical coherence tomography study. 
  • Anterior chamber width measurement by high-speed optical coherence tomography. 
  • Anterior segment optical coherence tomography study of the cornea and anterior segment in adult ethnic South Asian Indian eyes. 
  • Approaches for optimal sequential decision analysis in clinical trials. 
  • Are myopic eyes less likely to have diabetic retinopathy? 
  • Assessing agreement with relative area under the coverage probability curve. 
  • Assessing distributions of estimated drug shelf lives in stability analysis. 
  • Assessing individual agreement. 
  • Assessment of the Feasibility of Using Noninvasive Wearable Biometric Monitoring Sensors to Detect Influenza and the Common Cold Before Symptom Onset. 
  • Association of age, stature, and education with ocular dimensions in an older white population. 
  • Associations of iris structural measurements in a Chinese population: the Singapore Chinese Eye Study. 
  • Asymptotic distribution of ∆AUC, NRIs, and IDI based on theory of U-statistics. 
  • Bayesian adaptive regression splines for hierarchical data. 
  • Bayesian covariance selection in generalized linear mixed models. 
  • Bayesian dynamic modeling of latent trait distributions. 
  • Bayesian hierarchical functional data analysis via contaminated informative priors. 
  • Bayesian hierarchically weighted finite mixture models for samples of distributions. 
  • Bayesian inference for prevalence in longitudinal two-phase studies. 
  • Bayesian inference for smoking cessation with a latent cure state. 
  • Bayesian inference on age-specific survival for censored and truncated data. 
  • Bayesian inferences on predictors of conception probabilities. 
  • Bayesian isotonic regression and trend analysis. 
  • Bayesian latent factor regression for functional and longitudinal data. 
  • Bayesian modeling of multiple episode occurrence and severity with a terminating event. 
  • Bayesian modeling of multiple lesion onset and growth from interval-censored data. 
  • Bayesian modeling of the level and duration of fertility in the menstrual cycle. 
  • Bayesian multivariate logistic regression. 
  • Bayesian nonparametric hierarchical modeling. 
  • Bayesian segmentation of protein secondary structure. 
  • Bayesian semiparametric dynamic frailty models for multiple event time data. 
  • Bayesian variable selection for latent class models. 
  • Bioequivalence review for drug interchangeability. 
  • Biometrics, JABES and the International Biometric Society. 
  • Biometrics. Report of the editors--2011. 
  • Calibration inference based on multiple runs of an immunoassay. 
  • Carbon and water fluxes from ponderosa pine forests disturbed by wildfire and thinning. 
  • Characterizing activity-dependent processes with a piecewise exponential model. 
  • Choroidal thickness and high myopia: a case-control study of young Chinese men in Singapore. 
  • Clinical factors affecting operating room utilization in cataract surgery: Results from the PCIOL study. 
  • Coevolution of self-fertilization and inbreeding depression. III. Homozygous lethal mutations at multiple loci. 
  • Comparing ontogenetic trajectories using growth process data. 
  • Comparison of concordance correlation coefficient and coefficient of individual agreement in assessing agreement. 
  • Comparison of operational characteristics for binary tests with clustered data. 
  • Compartment model approaches for estimating the parameters of a chronic disease process under changing risk factor exposures. 
  • Conditional estimation for generalized linear models when covariates are subject-specific parameters in a mixed model for longitudinal measurements. 
  • Convex mixture regression for quantitative risk assessment. 
  • Corpus callosum morphometrics in young children with autism spectrum disorder. 
  • Correcting for measurement error in individual-level covariates in nonlinear mixed effects models. 
  • Correction of ocular shape in retinal optical coherence tomography and effect on current clinical measures. 
  • Cox regression methods for two-stage randomization designs. 
  • Cox regression model with randomly censored covariates. 
  • Cutpoint selection for categorizing a continuous predictor. 
  • Dependence of morphometric allometries on the growth kinetics of body parts. 
  • Design and conduct of occupational epidemiology studies: II. Analysis of cohort data. 
  • Design and conduct of occupational epidemiology studies: IV. The analysis of case-control data. 
  • Detecting clinically meaningful biomarkers with repeated measurements: An illustration with electronic health records. 
  • Detection and Monitoring of Viral Infections via Wearable Devices and Biometric Data. 
  • Determinants of angle closure in older Singaporeans. 
  • Determinants of angle width in Chinese Singaporeans. 
  • Determinants of anterior chamber depth: the Singapore Chinese Eye Study. 
  • Determinants of posterior corneal biometric measurements in a multi-ethnic Asian population. 
  • Developmental allometry and paediatric malaria. 
  • Developmental causes of allometry: new models and implications for phenotypic plasticity and evolution. 
  • Discussion of "Combining biomarkers to optimize patient treatment recommendation". 
  • Discussion on experimental design; a survey of types of experimental designs. 
  • Distinguishing effects on tumor multiplicity and growth rate in chemoprevention experiments. 
  • Distribution and determinants of ocular biometric parameters in an Asian population: the Singapore Malay eye study. 
  • Distribution of axial length and ocular biometry measured using partial coherence laser interferometry (IOL Master) in an older white population. 
  • Dose-dependent number of implants and implications in developmental toxicity. 
  • Education, socioeconomic status, and ocular dimensions in Chinese adults: the Tanjong Pagar Survey. 
  • Effect of obesity on retinal vascular structure in pre-adolescent children. 
  • Effects of Contact Lens Wear on Biometry Measurements for Intraocular Lens Calculations. 
  • Estimating data transformations in nonlinear mixed effects models. 
  • Estimating the parameters in the Cox model when covariate variables are measured with error. 
  • Evaluation and comparison of current fetal ultrasound image segmentation methods for biometric measurements: a grand challenge. 
  • Evaluation of a QRS scoring system for estimating myocardial infarct size. V. Specificity and method of application of the complete system. 
  • Examining outlying subjects and outlying records in bioequivalence trials. 
  • Factor analytic models of clustered multivariate data with informative censoring. 
  • Failure of the ILD to determine data combinability for slow loris phylogeny. 
  • Fetal metatarsal length: an accurate predictor of gestational age and weight in the ovine fetus. 
  • Fine mapping of autistic disorder to chromosome 15q11-q13 by use of phenotypic subtypes. 
  • Fitting semiparametric random effects models to large data sets. 
  • Fixed and random effects selection in linear and logistic models 
  • Fraud in medical research: an international survey of biostatisticians. ISCB Subcommittee on Fraud. 
  • Gaze estimation interpolation methods based on binocular data. 
  • Genetic association of refractive error and axial length with 15q14 but not 15q25 in the Blue Mountains Eye Study cohort. 
  • Genetic linkage analysis of complex genetic traits by using affected sibling pairs. 
  • Getting more from less: algorithms for rapid protein identification with multiple short peptide sequences. 
  • Hyperopic refractive error and shorter axial length are associated with age-related macular degeneration: the Singapore Malay Eye Study. 
  • Impact of a medical journal club on house-staff reading habits, knowledge, and critical appraisal skills. A randomized control trial. 
  • Impact of epithelial basement membrane dystrophy and Salzmann nodular degeneration on biometry measurements. 
  • Improved doubly robust estimation when data are monotonely coarsened, with application to longitudinal studies with dropout. 
  • Improving efficiency of inferences in randomized clinical trials using auxiliary covariates. 
  • In situ nuclear morphology measurements using light scattering as biomarkers of neoplastic change in animal models of carcinogenesis. 
  • Influence of adult domestic violence on children's internalizing and externalizing problems: an environmentally informative twin study. 
  • Intraoperative aberrometry vs modern preoperative formulas in predicting intraocular lens power. 
  • Is Myopia Associated with the Incidence and Progression of Diabetic Retinopathy? 
  • Is congruence between data partitions a reliable predictor of phylogenetic accuracy? Empirically testing an iterative procedure for choosing among phylogenetic methods. 
  • K-Sample comparisons using propensity analysis. 
  • Knowledge of fraud among biostatisticians. 
  • Latent-model robustness in joint models for a primary endpoint and a longitudinal process. 
  • Letter: Allometry and early hominids. 
  • Lightweight biometric detection system for human classification using pyroelectric infrared detectors. 
  • Linear mixed models with flexible distributions of random effects for longitudinal data. 
  • Longer axial length is protective of diabetic retinopathy and macular edema. 
  • MRI of posterior eye shape and its associations with myopia and ethnicity. 
  • Marginalized zero-inflated Poisson models with missing covariates. 
  • Masticatory form and function in the African apes. 
  • Modeling concordance correlation via GEE to evaluate reproducibility. 
  • Modeling human fertility in the presence of measurement error. 
  • Modeling the effects of a bidirectional latent predictor from multivariate questionnaire data. 
  • Modeling tumor onset and multiplicity using transition models with latent variables. 
  • Modeling zero-modified count and semicontinuous data in health services research Part 1: background and overview. 
  • Modeling zero-modified count and semicontinuous data in health services research part 2: case studies. 
  • Mongolism in orientals. 
  • Multilevel quantile function modeling with application to birth outcomes. 
  • Multiple population models for multivariate random length data--with applications in clinical trials. 
  • New equivalent keratometry reading calculation with a rotating Scheimpflug camera for intraocular lens power calculation after myopic corneal surgery. 
  • Nonparametric bayes testing of changes in a response distribution with an ordinal predictor. 
  • Nonparametric inference on median residual life function. 
  • Ocular Biometrics of Myopic Eyes With Narrow Angles. 
  • Ocular Determinants of Refractive Error and Its Age- and Sex-Related Variations in the Chinese American Eye Study. 
  • Ocular biometry in an urban Indian population: the Singapore Indian Eye Study (SINDI). 
  • Ocular component growth curves among Singaporean children with different refractive error status. 
  • On the asymmetry of frog retinal rod outer segment disk membranes. 
  • Ophthalmic phenotypes and the representativeness of twin data for the general population. 
  • Optical coherence tomography accurately measures corneal power change from laser refractive surgery. 
  • Optimal estimation for regression models on τ-year survival probability. 
  • Optimal two-stage dynamic treatment regimes from a classification perspective with censored survival data. 
  • Organizational improvements to enhance modern clinical epidemiology. 
  • Phylogenetic analysis of the ecology and evolution of mammalian sleep. 
  • Polydesigns and causal inference. 
  • Polymorphic mimicry in Papilio dardanus: mosaic dominance, big effects, and origins. 
  • Population pharmacokinetic/pharmacodynamic methodology and applications: a bibliography. 
  • Posterior Eye Shape Measurement With Retinal OCT Compared to MRI. 
  • Practical Bayesian inference using mixtures of mixtures. 
  • Prevalence and risk factors for refractive errors and ocular biometry parameters in an elderly Asian population: the Singapore Longitudinal Aging Study (SLAS). 
  • Prevalence of refractive error in Singaporean Chinese children: the strabismus, amblyopia, and refractive error in young Singaporean Children (STARS) study. 
  • Prevalence, Risk Factors, and Impact of Myopic Macular Degeneration on Visual Impairment and Functioning Among Adults in Singapore. 
  • Prospective multicenter study of toric IOL outcomes when dual zone automated keratometry is used for astigmatism planning. 
  • Quantitative classification of eyes with and without intermediate age-related macular degeneration using optical coherence tomography. 
  • Random effects selection in linear mixed models. 
  • Rapid evolution of a polyphenic threshold. 
  • Regression on quantile residual life. 
  • Relationship of axial length and retinal vascular caliber in children. 
  • Relationship of ocular biometry and retinal vascular caliber in preschoolers. 
  • Robust two-stage estimation in hierarchical nonlinear models. 
  • Sample size calculation for the weighted rank statistics with paired survival data. 
  • Sample size determination for GEE analyses of stepped wedge cluster randomized trials. 
  • Sample size for comparing correlated concordance rates. 
  • Screening experiments and the use of fractional factorial designs in behavioral intervention research. 
  • Screening for narrow angles in the singapore population: evaluation of new noncontact screening methods. 
  • Selecting factors predictive of heterogeneity in multivariate event time data. 
  • Semiparametric estimation of treatment effect in a pretest-posttest study. 
  • Sensitivity and specificity of a monitoring test. 
  • Shrinkage-based diagonal discriminant analysis and its applications in high-dimensional data. 
  • Six-Year Changes in Myopic Macular Degeneration in Adults of the Singapore Epidemiology of Eye Diseases Study. 
  • Smoothing spline-based score tests for proportional hazards models. 
  • Space-time data fusion under error in computer model output: an application to modeling air quality. 
  • Statistical challenges in preprocessing in microarray experiments in cancer. 
  • Statistical issues and advances in cancer precision medicine research. 
  • Statistical issues in translational cancer research. 
  • Strategies for analyzing multilevel cluster-randomized studies with binary outcomes collected at varying intervals of time. 
  • Stratified Fisher's exact test and its sample size calculation. 
  • Strong genetic effects on cross-situational antisocial behaviour among 5-year-old children according to mothers, teachers, examiner-observers, and twins' self-reports. 
  • Summarizing the motion of self-propelled cells: applications to sperm motility. 
  • Testability of vision and refraction in preschoolers: the strabismus, amblyopia, and refractive error study in singaporean children. 
  • Testing homogeneity of two zero-inflated Poisson populations. 
  • Testing random effects in the linear mixed model using approximate bayes factors. 
  • The Biometric Society, the first twenty-five years (1947-1972). 
  • The association between ocular biometry and retinal vascular caliber is comparable from early childhood to adolescence. 
  • The effect of parental history of myopia on eye size of pre-school children: a pilot study. 
  • The effect of serial dilution error on calibration inference in immunoassay. 
  • The effect of variance function estimation on nonlinear calibration inference in immunoassay data. 
  • The k-ZIG: flexible modeling for zero-inflated counts. 
  • The manner of death in coronary artery disease. 
  • The relationship between ocular dimensions and refraction with adult stature: the Tanjong Pagar Survey. 
  • The role of biostatistics in the prevention, detection and treatment of fraud in clinical trials. 
  • The statistical structure of natural light patterns determines perceived light intensity. 
  • The use of three-dimensional biometric Foot and Ankle Offset to predict additional realignment procedures in total ankle replacement. 
  • The weighted generalized estimating equations approach for the evaluation of medical diagnostic test at subunit level. 
  • Three-Dimensional Biometric Weightbearing CT Evaluation of the Operative Treatment of Adult-Acquired Flatfoot Deformity. 
  • Throw that epidemiologist out of the emergency room! Using the television series ER as a vehicle for teaching methodologists about medical issues. 
  • Topography and pachymetry maps for mouse corneas using optical coherence tomography. 
  • Tying clinical research to patient care by use of an observational database. 
  • Ultrasonographic identification of the macrosomic fetus. 
  • University of Pennsylvania 12th annual conference on statistical issues in clinical trials: Electronic health records in randomized clinical trials-challenges and opportunities (morning panel session). 
  • Using decision lists to construct interpretable and parsimonious treatment regimes. 
  • Utilizing propensity scores to estimate causal treatment effects with censored time-lagged data. 
  • Variation in prevalence of myopia between generations of migrant indians living in Singapore. 
  • Visual and refractive outcomes and complications in femtosecond laser-assisted versus conventional phacoemulsification cataract surgery: findings from a randomised, controlled clinical trial. 
  • Weighted least-squares approach for comparing correlated kappa. 
  • Weighted likelihood method for grouped survival data in case-cohort studies with application to HIV vaccine trials. 
  • X-LRT: a likelihood approach to estimate genetic risks and test association with X-linked markers using a case-parents design. 
  • [The role of statistics in scientific investigation]. 
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  Keywords of People

  • Farsiu, Sina, Professor in the Department of Biomedical Engineering, Electrical and Computer Engineering
  • Starmer, Charles Franklin, Professor Emeritus of Computer Science, Computer Science