2021: Aspects of Bayesian networks, Aalborg R User Group, Aalborg, Denmark, April 2021. pdf (notes). pdf (presentation).

2020: Inferens i mixed models i R - hinsides det sædvanlige likelihood ratio test. 42. Symposium i Anvendt Statistik, 27.-28. January, Aarhus, Denmark pdf (paper). pdf (presentation)

2019: Ryacas - A computer algebra system in R, Aalborg R User Group, Aalborg, Denmark, November 2019. pdf.

2018: Bayesian networks with likelihood evidence in R. Nordstat conference, Tartu, Estonia, June 2018. pdf

2018: Inference in mixed models in R - beyond the usual asymptotic likelihood ratio test. Nordstat conference, Tartu, Estonia, June 2018. pdf

2016: Tutorial: Graphical Models and Bayesian Networks with R. November 3+4, 2016 in Zurich. webpage See also the official announcement from Zurich.

2016: Højsgaard and Halekoh: Inference in mixed models in R - beyond the usual asymptotic likelihood ratio test. ETH, Zurich. pdf.

2016: Tutorial: Graphical Models and Bayesian Networks with R. July 3rd, 2016, prior to the 31st International Workshop on Statistical Modelling (Rennes, France) webpage.

2015: Tutorial: Bayesian Networks and Graphical Models with R. useR!2015 in Aalborg. webpage

2015: Højsgaard. Data science and some (classical) challenges. Workshop on data science, Aalborg University. pdf.

2015: Tutorial: Graphical Models and Bayesian Networks with R. CIMAT, Guanajuato, Mexico. webpage

2014: Tutorial: Graphical Models and Bayesian Networks with R. useR!2014 in Los Angeles, USA. webpage

2012: Tutorial: Graphical Models and Bayesian Networks with R. University of Oslo, Norway. webpage

2011: Halekoh and Højsgaard. Linear mixed models fitted with lmer() in R: p–values based on a Kenward-Roger modification of the F-statistic or on parametric bootstrap methods. Nordic Baltic Biometric Conference, Turku, Finland. pdf.

2011: Halekoh and Højsgaard. Kenward-Roger modification of the F-statistic for some linear mixed models fitted with lmer(). useR! conference, Warwick, UK pdf.

2011: Højsgaard. Recent developments in R packages for graphical models. Meeting on Computing for Graphical Models. Royal Statistical Society, London, UK. pdf.