Tagged: igraph的中国/世界地图可视化—用leaflet实现

/*********地图上的图可视化************/n#中国地图绘制nlibrary(raster)nlibrary(igraph)nchina <- getData('GADM', country='CN', level=1)ndf<-data.frame("from" = c("Zhengzhou", "Beijing"), "to"= c("Beijing", &q