Search Results - "Powell, Owen"

Numeraire independence and the measurement of mispricing in experimental asset markets by Powell, Owen

“…Mispricing (the difference between prices and their underlying fundamental values) is an important characteristic of experimental markets. The literature on…”
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A comparison of two model averaging techniques with an application to growth empirics by Magnus, Jan R., Powell, Owen, Prüfer, Patricia

“…Parameter estimation under model uncertainty is a difficult and fundamental issue in econometrics. This paper compares the performance of various model…”
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Extending the breeder's equation to take aim at the target population of environments by Cooper, Mark, Powell, Owen, Gho, Carla, Tang, Tom, Messina, Carlos

“…A major focus for genomic prediction has been on improving trait prediction accuracy using combinations of algorithms and the training data sets available from…”
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Perspectives on Applications of Hierarchical Gene-To-Phenotype (G2P) Maps to Capture Non-stationary Effects of Alleles in Genomic Prediction by Powell, Owen M., Voss-Fels, Kai P., Jordan, David R., Hammer, Graeme, Cooper, Mark

“…Genomic prediction of complex traits across environments, breeding cycles, and populations remains a challenge for plant breeding. A potential explanation for…”
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Genomic prediction for sugarcane diseases including hybrid Bayesian-machine learning approaches by Chen, Chensong, Bhuiyan, Shamsul A, Ross, Elizabeth, Powell, Owen, Dinglasan, Eric, Wei, Xianming, Atkin, Felicity, Deomano, Emily, Hayes, Ben

“…Sugarcane smut and Pachymetra root rots are two serious diseases of sugarcane, with susceptible infected crops losing over 30% of yield. A heritable component…”
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A linkage disequilibrium-based approach to position unmapped SNPs in crop species by Yadav, Seema, Ross, Elizabeth M, Aitken, Karen S, Hickey, Lee T, Powell, Owen, Wei, Xianming, Voss-Fels, Kai P, Hayes, Ben J

“…Abstract Background High-density SNP arrays are now available for a wide range of crop species. Despite the development of many tools for generating genetic…”
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Spatial modelling improves genetic evaluation in smallholder breeding programs by Selle, Maria L, Steinsland, Ingelin, Powell, Owen, Hickey, John M, Gorjanc, Gregor

“…Breeders and geneticists use statistical models to separate genetic and environmental effects on phenotype. A common way to separate these effects is to model…”
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Levofloxacin versus placebo for the prevention of tuberculosis disease in child contacts of multidrug-resistant tuberculosis: study protocol for a phase III cluster randomised controlled trial (TB-CHAMP) by Seddon, James A, Garcia-Prats, Anthony J, Purchase, Susan E, Osman, Muhammad, Demers, Anne-Marie, Hoddinott, Graeme, Crook, Angela M, Owen-Powell, Ellen, Thomason, Margaret J, Turkova, Anna, Gibb, Diana M, Fairlie, Lee, Martinson, Neil, Schaaf, H Simon, Hesseling, Anneke C

“…Multidrug-resistant (MDR) tuberculosis (TB) presents a challenge for global TB control. Treating individuals with MDR-TB infection to prevent progression to…”
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Investigations into the emergent properties of gene-to-phenotype networks across cycles of selection: a case study of shoot branching in plants by Powell, Owen M, Barbier, Francois, Voss-Fels, Kai P, Beveridge, Christine, Cooper, Mark

“…Abstract Predictive breeding is now widely practised in crop improvement programmes and has accelerated selection response (i.e. the amount of genetic gain…”
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Optimising clonal performance in sugarcane: leveraging non-additive effects via mate-allocation strategies by Yadav, Seema, Ross, Elizabeth M., Wei, Xianming, Powell, Owen, Hivert, Valentin, Hickey, Lee T., Atkin, Felicity, Deomano, Emily, Aitken, Karen S., Voss-Fels, Kai P., Hayes, Ben J.

“…Mate-allocation strategies in breeding programs can improve progeny performance by harnessing non-additive genetic effects. These approaches prioritise…”
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Genomic prediction with machine learning in sugarcane, a complex highly polyploid clonally propagated crop with substantial non‐additive variation for key traits by Chen, Chensong, Powell, Owen, Dinglasan, Eric, Ross, Elizabeth M., Yadav, Seema, Wei, Xianming, Atkin, Felicity, Deomano, Emily, Hayes, Ben J.

“…Sugarcane has a complex, highly polyploid genome with multi‐species ancestry. Additive models for genomic prediction of clonal performance might not capture…”
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Use of continuous genotypes for genomic prediction in sugarcane by Yadav, Seema, Ross, Elizabeth M., Wei, Xianming, Liu, Shouye, Nguyen, Loan To, Powell, Owen, Hickey, Lee T., Deomano, Emily, Atkin, Felicity, Voss‐Fels, Kai P., Hayes, Ben J.

“…Genomic selection in sugarcane faces challenges due to limited genomic tools and high genomic complexity, particularly because of its high and variable ploidy…”
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The Impact of Asset Repurchases and Issues in an Experimental Market by Haruvy, Ernan, Noussair, Charles N., Powell, Owen

“…We create an experimental asset market in which the value of the shares is independent of the quantity outstanding, and find that (i) repurchases increase,…”
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Evaluating the effect of short-course rifapentine-based regimens with or without enhanced behaviour-targeted treatment support on adherence and completion of treatment for latent tuberculosis infection among adults in the UK (RID-TB: Treat): protocol for an open-label, multicentre, randomised controlled trial by Rangaka, Molebogeng X, Hamada, Yohhei, Duong, Trinh, Bern, Henry, Calvert, Joanna, Francis, Marie, Clarke, Amy Louise, Ghanouni, Alex, Layton, Charlotte, Hack, Vanessa, Owen-Powell, Ellen, Surey, Julian, Sanders, Karen, Booth, Helen L, Crook, Angela, Griffiths, Chris, Horne, Robert, Kunst, Heinke, Lipman, Marc, Mandelbaum, Mike, White, Peter J, Zenner, Dominik, Abubakar, Ibrahim

“…IntroductionThe successful scale-up of a latent tuberculosis (TB) infection testing and treatment programme is essential to achieve TB elimination. However,…”
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Shorter treatment for minimal tuberculosis (TB) in children (SHINE): a study protocol for a randomised controlled trial by Chabala, Chishala, Turkova, Anna, Thomason, Margaret J, Wobudeya, Eric, Hissar, Syed, Mave, Vidya, van der Zalm, Marieke, Palmer, Megan, Kapasa, Monica, Bhavani, Perumal K, Balaji, Sarath, Raichur, Priyanka A, Demers, Anne-Marie, Hoddinott, Graeme, Owen-Powell, Ellen, Kinikar, Aarti, Musoke, Philippa, Mulenga, Veronica, Aarnoutse, Rob, McIlleron, Helen, Hesseling, Anneke, Crook, Angela M, Cotton, Mark, Gibb, Diana M

“…Tuberculosis (TB) in children is frequently paucibacillary and non-severe forms of pulmonary TB are common. Evidence for tuberculosis treatment in children is…”
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Genomic evaluations using data recorded on smallholder dairy farms in low- to middle-income countries by Powell, Owen, Mrode, Raphael, Gaynor, R. Chris, Johnsson, Martin, Gorjanc, Gregor, Hickey, John M.

“…[Display omitted] •Genomic evaluations outperformed pedigree-based genetic evaluations.•Shared haplotypes captured "hidden" genetic relationships to strengthen…”
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General practice: resources mean more than words by Powell, Owen

“…What does matter is the understanding and recognition of what general practitioners do and allowing them sufficient resources to practise their role, to be…”
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The history and fate of the Nubian Sandstone Aquifer springs in the oasis depressions of the Western Desert, Egypt by Powell, Owen, Fensham, Rod

“…Extraction of groundwater for agriculture has resulted in the loss of springs across arid regions of the globe. The history and fate are recorded of the…”
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Oases to Oblivion: The Rapid Demise of Springs in the South-Eastern Great Artesian Basin, Australia by Powell, Owen, Silcock, Jennifer, Fensham, Rod

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Comparison of genomic prediction models for general combining ability in early stages of hybrid breeding programs by de Jong, Guilherme, Powell, Owen, Gorjanc, Gregor, Hickey, John M., Gaynor, R. Chris

“…Abstract This study evaluates the impact of genomic prediction models on selecting inbred lines as parents in hybrid breeding programs. New parents in a hybrid…”
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