Fig. 4From: Spatio-temporal analysis of the main dengue vector populations in SingaporeBox-plots of the observed site-level Aedes abundance (mean catch per trap per week) during 2017–2018 within each quintile based on the out-of-sample model predictions: (a), (b) leave-one-site-out cross validation and (c), (d) leave-one-planning-area-out cross validation. A small number of extreme values were omitted from the graph for clarityBack to article page