Fig. 8From: Unsupervised title and abstract screening for systematic review: a retrospective case-study using topic modelling methodologyThe Wilson data: grid search of number of LDA topics. Both Aruna2010 and CaoJuan2009 metrics are based on minimization while Griffiths2004 is a metric based on maximization of the corresponding algorithm. Y-axis: Normalized measure of performanceBack to article page