附加轮廓线漏斗图的绘制在R软件中的实现
张天嵩a,b, 熊茜a, 袁婷a

Drawing Contour-Enhanced Funnel Plot in R Software
ZHANG Tian-songa,b, XIONG Qiana, YUAN Tinga
图2 附加轮廓线漏斗图