class of 2013
https://www.nytimes.com/interactive/projects/college-mobility/new-york-university
根据这个统计列了一个表格(v1,v2)
https://bbs.wenxuecity.com/znjy/5839210.html
https://bbs.wenxuecity.com/znjy/5839350.html
讨论和总结
https://bbs.wenxuecity.com/znjy/5839328.html