Category Archives: computing

Qtools

The R package Qtools is now on CRAN! A tutorial is available here. See my Software page for more details.

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Identifying profiles of physical activity behaviours in the presence of non-ignorable missing data

Physical activity and inactivity are two independent dimensions over which children aggregate into distinct behavioural profiles. Read my new article ‘Probabilistic principal component analysis to identify profiles of physical activity behaviours in the presence of non-ignorable missing data’ in the Journal of the Royal Statistical Society: Series C at http://onlinelibrary.wiley.com/doi/10.1111/rssc.12105/abstract.