Figure 3
Age and sex prediction with manifold embedding. (A) The first two coordinates of the joint manifold are shown, each point represents a subject; the colourbar indicates age and markers denote sex (square: male; circle: female). (B) Using 10-fold cross-validation, age and sex were predicted based on the concatenated manifold coordinates. Gaussian Process regression was used to predict age, shown plotted against chronological age (colourbar shown as in A). (C) Predicted class probabilities are shown for males (blue histogram) and females (yellow). (D) Predicted age error is shown for each site in PING separately. (E) Sex classification accuracies for each site in PING.
