United States Commutes and Megaregions data for GIS

<b>Summary</b>One file (commutes.net) is a Pajek format file for use in Combo, a community partitioning algorithm for network partitioning. The other file is a zipped shapefile of tract-to-tract commutes in the United States, created in QGIS and partitioned using Combo.<br>Please see the attached readme.txt file for full information.

<b>摘要</b>
其中一个文件为commutes.net，属于帕杰克（Pajek）格式文件，专供Combo（一款用于网络社区划分的分区算法）使用。另一个文件为美国普查区域间通勤往来数据的压缩形状文件（shapefile），该文件由QGIS软件生成，并通过Combo完成分区处理。
完整信息请参阅附件中的readme.txt文件。