Fig. 2
From: Analysis of age-dependent trends in Ov16 IgG4 seroprevalence to onchocerciasis
a Histogram of normalized absorbance (OD) for horseradish peroxidase (HRP) Ov16 enzyme-linked immunosorbent assay (ELISA) data for participants with Ov16 ELISA results (n = 2,005). b Density profile for HRP Ov16 ELISA data used for the expectations maximization (EM) mixture model. c Classification of specimens for seropositivity resulting from the EM model: 1 represents seropositive, 2 represents seronegative. d Uncertainty profile from EM specimens