[{"title":"(3个子文件42.25MB)ggplot2-3本神书打包下载","children":[{"title":"ggplot2","children":[{"title":"ggplot2-ElegantGraphicsforDataAnalysis.pdf <span style='color:#111;'>8.83MB</span>","children":null,"spread":false},{"title":"591722+R数据可视化手册.pdf <span style='color:#111;'>46.06MB</span>","children":null,"spread":false},{"title":"ggplot2_TheElementsforElegantDataVisulizationinR.pdf <span style='color:#111;'>3.19MB</span>","children":null,"spread":false}],"spread":true}],"spread":true}]