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  • Suglia, Sf; Ryan, Louise; Wright, Rj (John Wiley & Sons Inc, 2008)
    Previous research has used the Rasch model, a method for obtaining a continuous scale from dichotomous survey items measuring a single latent construct, to create a scale of community violence exposure. The authors build ...
  • Coull, Brent; Hobert, James; Ryan, Louise; Holmes, Lewis (American Statistical Association, 2001)
    Human teratogens often manifest themselves through a broad spectrum of adverse effects. Although often not serious when considered individually, such outcomes taken together may represent a syndrome that can lead to serious ...
  • Weuve, J; Korrick, Sa; Weisskopf, Ma; Ryan, Louise; Schwartz, J; Nie, Hl; Grodstein, F; Hu, H (U.S. Department of Health and Human Services * National Institute of Environmental Health Sciences, 2009)
    BACKGROUND: Recent data indicate that chronic low-level exposure to lead is associated with accelerated declines in cognition in older age, but this has not been examined in women. OBJECTIVE: We examined biomarkers of ...
  • Boynton-Jarrett, R; Ryan, Louise; Berkman, Lf; Wright, Rj (Amer Acad Pediatrics, 2008)
  • Yeh, M; Yeh, Wei-Chang (Taylor & Francis Ltd, 1998)
    Deadlock problems of zone-control uni-directional automated guided vehicle systems (AGVS) are discussed in this paper. A directed graph is de? ned to model the vehicle ? ows, to identify distinct vehicle ? ows, to represent ...
  • Batten, Jonathan; Ellis, Craig; Hogan, Warren (Elsevier Science Bv, 2005)
    The local Hurst exponent, a measure employed to detect the presence of dependence in a time series, may also be used to investigate the source of intraday variation observed in the returns in foreign exchange markets. Given ...
  • Huang, Alan (Taylor & Francis Ltd, 2013)
    We show that maximum likelihood weighted kernel density estimation offers a unified approach to density estimation and nonparametric inferences. For density estimation, the approach is a generalisation of the standard ...
  • Brown, James; Abbott, Owen; Diamond, Ian (Blackwell Publishing, 2006)
    The one-number census approach was developed by the Office for National Statistics to adjust the counts from the 2001 census of England and Wales for undernumeration. The method is underpinned by an assumption of independence ...
  • Arroyo, C; Hu, F.; Ryan, Louise; Kawachi, I; Colditz, G.; Speizer, F.; Manson, J (American Diabetes Association, 2004)
    OBJECTIVE - To explore the relationship between depressive symptoms and incidence of type 2 diabetes in women. RESEARCH DESIGN AND METHODS - We conducted an analysis of 72,178 female nurses aged 45-72 years who did not ...
  • Brown, James; Honchar, Oksana (Springer, 2012)
    National Statistics Institutes (NSIs) have been increasingly seeking to replace or enhance traditional survey-based data sources with administrative data sources; with the aim to improve overall quality in the absence of ...
  • Street, Deborah; Knox, Stephanie (Grace Scientific Publishing, 2012)
    Using the D-optimality criterion, we show that resolution 3 fractional factorial designs perform as well as the complete factorial design in attribute-level best-worst choice experiments, assuming both that all attribute ...
  • Luo, Zhen; Zhang, Nong; Wu, Tao (Tech Science Press, 2012)
    This paper presents a meshless Galerkin level-set method (MGLSM) for shape and topology optimization of compliant mechanisms of geometrically nonlinear structures. The design boundary of the mechanism is implicitly described ...
  • Williams, Paige; Ryan, Louise (Wiley-Blackwell Publishing Ltd., 1996)
    We discuss the design and analysis of studies involving multiple binary outcomes in which only a subset of these outcomes can be measured on each individual. Such studies with "intentionally missing data" may arise due to ...
  • Smith, Narelle (Taylor & Francis Inc, 2005)
    In this article we investigate the design of scoring schemes for surveys using the block total response method. This method was first proposed by Raghavarao and Federer ( 1979) to provide accurate estimates of the base ...
  • Brown, James; Abbott, Owen; Smith, Paul (Blackwell Publishing, 2011)
    In many countries, a key component of measuring census coverage is a post-enumeration survey. In the 2001 censuses of the UK this was called the Census Coverage Survey. This paper reviews the design of the 2001 Census ...
  • Gereltuya, A; Falkingham, J; Brown, James (Cambridge University Press, 2007)
    This study examines the determinants of current contraceptive use and method choice in Mongolia using data from the 1998 Mongolian Reproductive Health Survey and 2000 Mongolian Population and Housing Census. Since 1976, ...
  • Atanassov, K.T.; Shannon, Anthony (Jangjeon Mathematical Society, 2011)
    The base of digit roots of elements of a sequence of numbers is defined, with examples given for the Fibonacci, Lucas, Lucas-Lehmer and Euler sequences. The theory is then applied to extensions of the Pell-Padovan and ...
  • Lu, Mark; Sammel, Mary; Cleveland, Robert; Ryan, Louise; Holmes, Lewis (Wiley-liss, 2000)
    The hypothesis tested was that digit anomalies among individuals exposed in utero to antiepileptic drugs (AED) are best identified by a systematic search, including radiographs and dermatoglyphics, rather than relying only ...
  • Chaumet, Patrick; Zhang, Ting; Rahmani, Adel; Gralak, Boris; Belkebir, Kamal (American Physical Society, 2013)
    We present a form of the discrete dipole approximation for electromagnetic scattering computations in time domain. We show that the introduction of complex frequencies, through the Laplace transform, significantly improves ...
  • Zinder, Yakov; Memar, Julia; Singh, Gaurav (Springer, 2013)
    The paper describes an optimization procedure for a class of discrete optimization problems which is defined by certain properties of the boundary of the feasible region and level sets of the objective function. It is shown ...