gen assets_categ=recode(totalassets, 100, 500, 1000, 5000, 20000, 100000, 1000000)
和
recode totalassets (min/100=100) (101/500=500) (501/1000=1000) (1001/5000=5000) (5001/20000=20000) (20001/100000=100000) (100001/1000000=1000000), gen (assets_categ)

这两段的区别在哪儿呢？为什么跑出来的asset_categ结果不一样呢？