size_t i;
xrchart_write_title (cr, geom, _("ROC Curve"));
xrchart_write_xlabel (cr, geom, _("1 - Specificity"));
xrchart_write_ylabel (cr, geom, _("Sensitivity"));
size_t i;
xrchart_write_title (cr, geom, _("ROC Curve"));
xrchart_write_xlabel (cr, geom, _("1 - Specificity"));
xrchart_write_ylabel (cr, geom, _("Sensitivity"));