Johan Hopstadius

Shrinkage observed-to-expected ratios for robust and transparent large-scale pattern discovery

G. Niklas Norén, Johan Hopstadius, Andrew Bate · Statistical Methods in Medical Research · 2011 · 304 citations · Full text

Engineering, Machine Learning, Rare Event Estimation +24

Temporal pattern discovery in longitudinal electronic patient records

G. Niklas Norén, Johan Hopstadius, Andrew Bate et al. · Data Mining and Knowledge Discovery · 2009 · 174 citations

Engineering, Data Science, Data Mining +10

Impact of Stratification on Adverse Drug Reaction Surveillance

Johan Hopstadius, G. Niklas Norén, Andrew Bate et al. · Drug Safety · 2008 · 58 citations

Drug Safety, Drug Hypersensitivity, Post-marketing Surveillance +8

Temporal pattern discovery for trends and transient effects

G. Niklas Norén, Andrew Bate, Johan Hopstadius et al. · 2008 · 47 citations

Engineering, New Measure, Pattern Discovery +16

The Development and Evaluation of Triage Algorithms for Early Discovery of Adverse Drug Interactions

Johanna Strandell, Ola Caster, Johan Hopstadius et al. · Drug Safety · 2013 · 31 citations

Drug Interactions, Hit Identification, Predictive Toxicology +11