Fig. 4From: Estimation of postpartum depression risk from electronic health records using machine learningFeature significance using SHapley Additive exPlanations (SHAP). The top 20 contributing features from the time periods of the pregnancy (P) and the preceding two years (H). The red and blue bars indicate a positive and negative impact, respectively (a). For the age variable, the SHAP value per subject (b) indicates a stronger impact of age for younger patientsBack to article page