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r或stata可用于打开grilic.dta数据集
资源介绍
"rns" "rns80" "mrt" "mrt80" "smsa" "smsa80" "med"
"iq" "kww" "year" "age" "age80" "s" "s80"
"expr" "expr80" "tenure" "tenure80" "lw" "lw80" 共20个变量
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