Helle Sørensen

Helle Sørensen

Professor

ORCID: 0000-0001-5273-6093

Publication year:
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  1. 2000

  2. 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

  3. 2001

  4. 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

  5. 2002

  6. 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

  7. 2003
  8. 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

  9. 2004
  10. Published

    Mixtures of toxicants

    Cedergreen, Nina, Skovgaard, I. M., Streibig, Jens Carl & Sørensen, Helle, 2004, Symposium i anvendt statistik: 26. årgang, 2004. red. Anders Holm ed. Museum Tusculanum, Vol. 26. p. 210-219 10 p.

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

  11. Published

    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

  12. 2007
  13. Published

    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

  14. Published

    Is mixture toxicity measured on a biomarker indicative of what happens on a population level? a study with Lemna minor

    Cedergreen, Nina, Abbas Poor, M., Sørensen, Helle & Streibig, Jens Carl, 2007, In: Ecotoxicology and Environmental Safety. 67, 3, p. 323-332 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  15. Published

    Reproducibility of binary-mixture toxicity studies

    Cedergreen, Nina, Kudsk, P., Kopp Mathiassen, S., Sørensen, Helle & Streibig, Jens Carl, 2007, In: Environmental Toxicology and Chemistry. 26, 1, p. 149-156 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  16. 2008
  17. Published

    A review of independent action compared to concentration addition as reference models for mixtures of compounds with different molecular target sites

    Cedergreen, Nina, Christensen, A. M., Kamper, A., Kudsk, P., Matthiassen, S. K., Streibig, Jens Carl & Sørensen, Helle, 2008, In: Environmental Toxicology and Chemistry. 27, 7, p. 1621-1632 12 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

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