Figure 9From: Improving official statistics in emerging markets using machine learning and mobile phone data Age prediction in the EU data using elastic-net achieves \(\pmb{R^{2}=0.35}\) , when data points are weighted according to their inverse frequency. An elastic net model with uniform weights achieves a higher \(R^{2}=0.47\) (not shown). Actual ages are grouped into 10 year bins.Back to article page