My publications (Ib Skovgaard)

Publications I, Theses

• Master thesis: "Ancillaritet og inferens om parameterfunktioner" (in Danish, Eng: Ancillarity and Inference on parameter functions)
• Ph.D. thesis: "Edgeworth expansions in statistics"
• Doctoral thesis: Analytic Statistical Models. Lecture Notes, Monograph Series 15. Institute of Mathematical Statistics, Hayward, California.

Publications II, Statistical theory

• Ritz, C. & Skovgaard, I.M. (2005). Likelihood ratio tests in curved exponential families with nuisance parameters present only under the alternative. Biometrika 92, 507-517.
• Bibby, B.M., Skovgaard, I.M. & Sørensen, M. (2005). Diffusion-type models with given marginal distribution and autocorrelation function. Bernoulli 11(2), 191-220.
• Skovgaard, I.M. (2004). Comment to "Ancillaries and conditional inference" by D.A.S. Fraser. Statist. Science 19, 355-358.
• Rønn, B. B. & Skovgaard, I.M. (2004). Non-parametric maximum likelihood estimation of randomly time-transformed curves. Submitted.
• Martinussen, T., Scheike, T.S. & Skovgaard, I.M. (2002). Efficient estimation of fixed and time-varying covariate effects in multiplicative intensity models. Scand. J. Statist. 28, 57-73.
• Skovgaard, I.M. (2001). Likelihood asymptotics.Scand. J. Statist. 28, 3-32.
• Skovgaard, I.M., Martinussen, T. & Andersen, S.W. (2001). On the use of a parameter dependent group structure for inference. In Data analysis from statistical foundations. A festschrift in honour of the 75th birthday of D.A.S. Fraser Ed: Saleh, A.K.M.E., Nova Science Publishers Inc., New York.
• Robinson, J. & Skovgaard, I.M. (1998). Bounds for probabilities of small relative errors for empirical saddlepoint and bootstrap tail approximations. Ann. Statist. 26, 2369-2394.
• Skovgaard, I.M. (1999). Higher order likelihood asymptotics in practice. In: Proceedings of the 14th international workshop on statistical modelling., (Friedl, H., Berghold, A. & Kauermann, G., ed.). Graz, Austria.
• Skovgaard, I. M. (1996). An explicit large-deviation approximation to one-parameter tests. Bernoulli 2, 145-165.
• Skovgaard, I. M. (1990). On the density of minimum contrast estimators. Ann. Statist. 18, 779-789.
• Skovgaard, I. M. (1989). A review of higher order likelihood inference, pp. 331--351. Bulletin of the International Statistical Institute. Proceedings of the 47th session. Vol LIII, book 3. ISI, Paris.
• Skovgaard, I. M. (1988). Saddlepoint expansions for directional test probabilities. J. R. Statist. Soc. B 50, 269-280.
• Skovgaard, I. M. (1987). Saddlepoint expansions for conditional distributions. J. Appl. Probability 24, 875-887.
• Skovgaard, I. M. (1986). Successive improvement of the order of ancillarity. Biometrika 73, 516-519.
• Skovgaard, I. M. (1986). On multivariate Edgeworth expansions. Int. Statist. Rev. 54, 169-186. Amendment: 57 (1989), 183.
• Skovgaard, I. M. (1986). A note on the differentiation of cumulants of log likelihood derivatives. Int. Statist. Rev. 54, 29-32.
• Skovgaard, I. M. (1985). Large deviation approximations for maximum likelihood estimators. Probability and Math. Statist. 6, 89-107.
• Skovgaard, I. M. (1985). A second-order investigation of asymptotic ancillarity. Ann. Statist. 13, 534-551.
• Skovgaard, I. M. (1981). Edgeworth expansions of the distributions of maximum likelihood estimators in the general (non i.i.d.) case. Scand. J. Statist. 8, 227-236.
• Skovgaard, I. M. (1981). Transformation of an Edgeworth expansion by a sequence of smooth functions. Scand. J. Statist. 8, 207-217.

Publications III, Methods of applications

• Feenstra, B., Skovgaard, I.M. & Broman, K.W. (2006). Mapping quantitative trait loci by an extension of the Haley-Knott regression method using estimating equations. Genetics 173, 2269-2282.
• Feenstra, B. & Skovgaard, I. M. (2004). A quantitative trait locus mixture model that avoids spurious LOD score peaks. Genetics 167(2), 959-965.
• Jensen, K., Søndergaard, I., Skovgaard, I. M. & Nielsen, H. B. (1995). From image processing to classification: I. Modelling disturbances of isoelectric focusing patterns. Electrophoresis 16, 921-926.
• Skovgaard, I.M., Jensen, K. & Søndergaard, I. (1995). From image processing to classification: III. Matching patterns by shifting and stretching. Electrophoresis 16, 1385-1389.
• Skovgaard, I.M. (1995). Modelling relations between instrumental and sensory measurements in factorial experiments. Food Quality and Preference 6, 239-244.
• Brockhoff, P. M. & Skovgaard, I. M. (1994). Modelling individual differences between assessors in sensory evaluations. Food Quality and Preference 5, 215-224.
• Brockhoff, P. M., Skovgaard, I. M., Poll, L. & Hansen, K. (1993). A comparison of methods for linear prediction of apple flavour from gas chromatographic measurements. Food Quality and Preference 4, 215-222.
• Skovgaard, I. M. (1986). A statistical model for competition experiments. Scand. J. Statist. 13, 29-38.
• Skovgaard, I. M. (1986). Parent-offspring relations for a fitness related character. Biom. J. 28, 993-1000.

Publications IV, Applications (reporting experimental research)

• Helena T. Nyman, Annemarie T. Kristensen, Ib M. Skovgaard, Fintan J. McEvoy (2005). Characterization of normal and abnormal canine superficial lymph nodes using gray-scale b-mode, color flow mapping, power, and spectral doppler ultrasonography: a multivariate study. Veterinary Radiology & Ultrasound 46 (5), 404–410.
• Jessen, A., Buemann, B., Toubro, S., Skovgaard, I.M. & Astrup, A. (2005). The appetite-suppressant effect of nicotine is enhanced by caffeine. Diabetes Obes Metab. 7(4), 327-333.
• Nielsen, O., Skovgaard, I.M. & Philipsen, H. (2004). Estimating the incidence of entomopathogenic nematodes in soil by the use of bait insects. Nematology 6(10), 891-900.
• Lauritzen, L., Jørgensen, M.H., Schow, T.B., Skovgaard, I.M., Straarup, E., Olsen, S.F., Høy, C. & Michaelsen, K.F. (2004). Maternal fish oil supplementation in lactation: Effect on n-3 fatty acid content of infant erythrocytes and visual acuity and n-3 fatty acid content of infant erythrocytes.Lipids 39 (3), 195-206.
• Carlsen, C.U., Skovgaard, I.M. & Skibsted, L.H. (2003). Pseudoperoxidase activity of myoglobin. Kinetics and mechanism of the peroxidase cycle of myoglobin with H2O2 and 2,2-azino-bis(3-ethylbenzthiazoline-6-sulfonate) as substrates. J. Agric. and Food Chemistry 51 (19), 5815-5823.
• Lund, B., Ortiz, R., Skovgaard, I.M., Waugh, R. & Andersen, S.B. (2003). Analysis of potential duplicates in barley gene bank collections using re-sampling of microsatellite data. Theor. Appl. Genet. 106, 1129-1138.
• Juncker, D., Hansen, T.B., Eriksen, H., Skovgaard, I.M., Knøchel, S. & Bertelsen, G. (1998). Oxidative and sensory changes during bulk and retail storage of hot-filled turkey caserole. Z. Lebensm. Unters. Forsch. A 206, 378-381.
• Tarp-Johansen, M.J., Skovsgaard, J.P., Madsen, S.M., Johansen, V.K. & Skovgaard, I.M. (1997). Compatible stem taper and stem volume functions for oak (Quercus robur L and Q petraea (Matt) Liebl) in Denmark. Annales des Sciences Forestieres 54, 577-595.
• Jensen, K., Thygesen, T. K., Kesmir, C., Skovgaard, I.M. & Søndergaard, I. (1997). Classification of potato varieties using isoelectrophoretic focusing patterns, neural nets and statistical methods. J. Agric. Food Chem. 45 (1), 158-161.
• Jensen, C., Guidera, J., Skovgaard, I. M., Staun, H., Skibsted, L. H., Jensen, S. K., Møller, A. J., Buckley, J. & Bertelsen, G. (1997). Effects of dietary alpha-Tocopheryl acetate supplementation on alpha-Tocopherol deposition in porcine m. psoas major and m. longissimus dorsi and on drip loss, colour stability and oxidative stability of pork meat. Meat Science 45 (4), 491-500.
• Bruun-Jensen, L., Skovgaard, I.M. & Skibsted, L. H. (1996). The antioxidative activity of RRR-alpha-tocopherol vs RRR-delta-tocopherol in combination with ascorbyl palmitate in cooked, minced turkey. Food Chemistry 56, 347-354.
• Bruun-Jensen, L., Skovgaard, I. M., Madsen, E. A., Skibsted, L. H. & Bertelsen, G. (1995). The combined effect of tocopherols, L-ascorbyl palmitate, and L-ascorbic acid on the development of warmed-over flavour in cooked, minced turkey. Food Chemistry 55, 41-47.
• Bruun-Jensen, L., Skovgaard, I. M., Skibsted, L. H. & Bertelsen, G. (1994). Antioxidant synergism between tocopherols and ascorbyl palmitate in cooked, minced turkey. Z. Lebensm. Unters. Forsch. 199, 210-213.
• Stapelfeldt, H., Bjørn, H., Skovgaard, I. M., Skibsted, L. H. & Bertelsen, G. (1992). Warmed-over flavour in cooked sliced beef. Chemical analysis in relation to sensory evaluation. Z. Lebensm. Unters. Forsch. 195, 203-208.
• Andersen, H. J., Bertelsen, G., Møller, A. J., Saaby, J. & Skovgaard, I. M. (1991). Sensory analysis of meat from old culling ewes fed on different levels of fish meal. In: Proceedings, 37th International Congress of Meat Science and Technology, Sept. 1-6, 3, pp. 1123-1129.
• Vleeshouwers, L. M., Streibig, J. C. & Skovgaard, I. M. (1989). Assessment of competition between crops and weeds. Weed Res. 29, 273-280.
• Lange, A.P., Secher, N.J., Westergaard, J.G. & Skovgaard, I.M. (1982). Prelabor evaluation of inducibility. Obstetrics and Gynecology 60, 137-147.
• Lange, A.P., Secher, N.J., Westergaard, J.G. & Skovgaard, I.M. (1982). Neonatal Jaundice after labour induced or stimulated by Prostaglandin E2 and Oxytocin. The Lancet, 991-994.
• Lange, A.P., Secher, N.J., Westergaard, J.G. & Skovgaard, I.M. (1982). Neonatal Jaundice, induction of labour, and sex of infant. The Lancet, 1047.

Publications V, Teaching material (books only)

• Skovgaard, I.M. (2002). Basal Biostatistik, del 2.. (In Danish, Eng.: Basic biostatistics, part II)
• Skovgaard, I. M., Stryhn, H. & Rudemo, M. (1999). Basal Biostatistik, del 1. DSR publisher, Copenhagen. (In Danish, Eng.: Basic biostatistics, part I)
• Jensen, J.E. & Skovgaard, I.M. (1995). Introduktion til SAS med statistiske anvendelser. 3rd ed. DSR publisher, Copenhagen.
• Rudemo, M. & Skovgaard, I.M. (1992). Statistisk forsøgsplanlægning. DSR publisher, Copenhagen. (In Danish, Eng.: Experimental Design)