Helle Sørensen
Professor
Department of Mathematical Sciences
Universitetsparken 5
2100 København Ø
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Effects of Norway spruce shelter density and soil scarification method on mortality and height growth of underplanted European beech, European silver fir and Douglas fir
Reventlow, Ditlev Otto Juel, Nord-Larsen, Thomas, Sørensen, Helle & Skovsgaard, J. P., 2023, In: Forestry. 96, 4, p. 481–497 cpac051.Research output: Contribution to journal › Journal article › Research › peer-review
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A forced-choice pictographic method to measure food texture preferences among schoolchildren
Skouw, S., Chow, Ching Yue, Sørensen, Helle, Bech, A. C., Laureati, M., Olsen, Annemarie & Bredie, Wender, 2023, In: Food Quality and Preference. 105, 11 p., 104783.Research output: Contribution to journal › Journal article › Research › peer-review
A multilevel nonlinear mixed-effects approach to model growth in pigs
Strathe, A. B., Danfær, A. C., Sørensen, Helle & Kebreab, E., 2010, In: Journal of Animal Science. 88, p. 638-649 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
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A new mathematical model for combining growth and energy intake in animals: the case of the growing pig
Strathe, A. B., Sørensen, Helle & Danfær, A. C., 2009, In: Journal of Theoretical Biology. 261, 2, p. 165-175 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
Population based growth curve analysis - a comparison between models based on ordinary or stochastic differential equations implemented in a nonlinear mixed effect framework
Strathe, A. B., Danfær, A. C., Nielsen, B., Klim, S. & Sørensen, Helle, 2011, Modelling nutrient digestion and utilization in farm animals. Sauvant, Van Milgen, Faverdin & Friggens (eds.). Wageningen Academic Publishers, p. 22-31 10 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
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A multivariate nonlinear mixed effects method for analyzing energy partitioning in growing pigs
Strathe, A. B., Danfær, A. C., Chwalibog, André, Sørensen, Helle & Kebreab, E., 2010, In: Journal of Animal Science. 88, 7, p. 2361-2372 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Can the effect of ternary mixtures be predicted from binary mixture toxicity results?
Svendsen, C., Cedergreen, Nina, Kamper, A. & Sørensen, Helle, 2008. 2 p.Research output: Contribution to conference › Conference abstract for conference › Research
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Quantification of symmetry for functional data with application to equine lameness classification
Sørensen, Helle, Tolver, Anders, Thomsen, M. H. & Andersen, P. H., 2012, In: Journal of Applied Statistics. 39, 2, p. 337-360 24 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Independence, successive and conditional likelihood for time series of counts
Sørensen, Helle, 2019, In: Journal of Statistical Planning and Inference. 200, p. 20-31Research output: Contribution to journal › Journal article › Research › peer-review
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Small sample distribution of the likelihood ratio test in the random effects model
Sørensen, Helle, 2008, In: Journal of Statistical Planning and Inference. 138, 6, p. 1605-1614 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Erfaringer med eksperimenter der genererer data til brug i undervisningen
Sørensen, Helle, 2019, Symposium i Anvendt Statistik 2019. Linde, P. (ed.). Økonomisk Institut, Københavns Universitet og Det Nationale Forskningscenter for Arbejdsmiljø, p. 224-235Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research
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A random effects model for binary mixture toxicity experiments
Sørensen, Helle, Cedergreen, Nina & Streibig, Jens Carl, 2010, In: Journal of Agricultural, Biological, and Environmental Statistics. 15, 4, p. 562-577 16 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Parametric inference for diffusion processes observed at discrete points in time: a survey
Sørensen, Helle, 2004, In: International Statistical Review. 72, 3, p. 337-354 18 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Diffusion-Type Models with Given Marginal Distribution and Autocorrelation Function / Introduction
Sørensen, Helle, 2017, Inference, Asymptotics, and Applications: Selected Papers of Ib Michael Skovgaard, with Introductions by his Colleagues. Reid, N. & Martinussen, T. (eds.). World Scientific, p. 263-269Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
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Discussion of “Analysis of spatio-temporal mobile phone data: a case study in the metropolitan area of Milan” by P. Secchi, S. Vantini, and V. Vitelli
Sørensen, Helle, Markussen, Bo & Tolver, Anders, 2015, In: Statistical Methods and Applications. 24, 2, p. 321-324Research output: Contribution to journal › Comment/debate › Research › peer-review
Estimation of diffusion parameters for discretely observed diffusion processes
Sørensen, Helle, 2002, In: Bernoulli. 8, 4, p. 491-508 18 p.Research output: Contribution to journal › Journal article › Research › peer-review
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An isobole-based statistical model and test for synergism/antagonism in binary mixture toxicity experiments
Sørensen, Helle, Cedergreen, Nina, Skovgaard, I. M. & Streibig, Jens Carl, 2007, In: Environmental and Ecological Statistics. 14, 4, p. 383-397 15 p.Research output: Contribution to journal › Journal article › Research › peer-review
Discretely Observed Diffusions: Approximation of the Continuous-time Score Function
Sørensen, Helle, 2001, In: Scandinavian Journal of Statistics. 28, 1, p. 113-121 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Simulated likelihood approximations for stochastic volatility models
Sørensen, Helle, 2003, In: Scandinavian Journal of Statistics. 30, 2, p. 257-276 20 p.Research output: Contribution to journal › Journal article › Research › peer-review
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An introduction with medical applications to functional data analysis
Sørensen, Helle, Goldsmith, J. & Sangalli, L. M., 2013, In: Statistics in Medicine. 32, 30, p. 5222-5240 19 p.Research output: Contribution to journal › Journal article › Research › peer-review
Inference for Diffusion Processes and Stochastic Volatility Models
Sørensen, Helle, 2000, Copenhagen: H.C.Ø.-Tryk. 164 p.Research output: Book/Report › Ph.D. thesis › Research
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Symmetry indices based on accelerometric data in trotting horses
Thomsen, M. H., Tolver, Anders, Sørensen, Helle, Lindegaard, Casper & Andersen, P. H., 2010, In: Journal of Biomechanics. 43, p. 2608-2612 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Agreement between accelerometric symmetry scores and clinical lameness scores during experimentally induced transient distension of the metacarpophalangeal joint in horses
Thomsen, M. H., Persson, A. B., Tolver, Anders, Sørensen, Helle & Andersen, P. H., 2010, In: Equine Veterinary Journal. 42, Suppl. 38, p. 510-515 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Analysis of Juggling Data: Registration of Functional Data Subject to Biomechanical Constraints
Tolver, Anders, Sørensen, Helle, Muller, M. & Mousavi, S. N., 2014, In: Electronic Journal of Statistics. 8, 2, p. 1856-1864Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The effect of increased loads of dissolved organic matter on estuarine microbial community composition and function
Traving, Sachia Jo, Rowe, O., Jakobsen, N. M., Sørensen, Helle, Dinasquet, J. V., Stedmon, C. A., Andersson, A. & Riemann, Lasse, 2017, In: Frontiers in Microbiology. 8, 15 p., 351.Research output: Contribution to journal › Journal article › Research › peer-review
ID: 4232568
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Analysis of Juggling Data: Registration of Functional Data Subject to Biomechanical Constraints
Research output: Contribution to journal › Journal article › Research › peer-review
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The effect of increased loads of dissolved organic matter on estuarine microbial community composition and function
Research output: Contribution to journal › Journal article › Research › peer-review
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212
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Coupling bacterioplankton populations and environment to community function in coastal temperate waters
Research output: Contribution to journal › Journal article › Research › peer-review
Published