急求STATA虚拟变量的问题！！！！！ 虚拟变量的STATA命令是什么？
stata\u600e\u6837\u5b9a\u4e49\u865a\u62df\u53d8\u91cf\uff1f1\u3001\u7528list make weight \u663e\u793a\u6570\u636e\u3002
2\u3001\u5c1d\u8bd5\u6267\u884c gen weight=weight/1000\uff0c\u7cfb\u7edf\u63d0\u793a\u53d8\u91cf\u5df2\u5b58\u5728\u3002
3\u3001\u5982\u679cforeign==0\uff0c\u5c06price\u63d0\u9ad85%\uff0c\u5982\u679cforeign==1\uff0c\u5c06price\u63d0\u9ad810%\u3002 gen predprice=1.05*price if foreign==0 \u548creplace predprice=1.1*price if foreign==1 \u518d\u663e\u793a\u7ed3\u679clist make foreign price predprice\u3002
4\u3001list\u4e2dnolabel\u53c2\u6570\u7684\u4f7f\u7528\u3002list make foreign price predprice,nobel\u3002
5\u3001gen where ="D" if foreign=="Domestic":origin replace where ="F" if foreign=="Foreign":origin\u5982\u679cforeign\u7684\u503c\u4e3adomestic\u5219where\u7684\u503c\u4e3aD\uff0c\u5426\u5219where\u7684\u503c\u4e3aF\u3002
\u6bd4\u5982\u4f60\u7684\u53d8\u91cf\u53eb\u505aREG1\uff0c\u9488\u5bf92010\u5e74\u3002\u4f60\u540c\u65f6\u8fd8\u6709\u4e00\u4e2a\u53d8\u91cf\u53ebYEAR\uff0c\u91cc\u9762\u662f\u6bcf\u4e00\u4e2a\u53d8\u91cf\u5bf9\u5e94\u7684\u5e74\u6570\u3002\u90a3\u4e48\u7528\u4ee5\u4e0b\u547d\u4ee4\uff0c\u4f60\u80fd\u751f\u6210\u4e00\u4e2a\u65b0\u7684\u53d8\u91cf\uff0c\u53ea\u6709\u5f53\u5bf9\u5e94\u7684YEAR\u53d8\u91cf\u4e3a\u4f60\u60f3\u8981\u76842010\u5e74\u65f6\uff0c\u6570\u503c\u53d6\u503c\u4e3a1\uff0c\u5176\u4ed6\u7684\u90fd\u53d6\u503c\u4e3a0 \uff1a gen REG1 = (YEAR==2010)\u3002
\u8fd8\u6709\u4e00\u79cd\u65b9\u6cd5\u66f4\u52a0\u65b9\u4fbf\uff0c\u5c31\u662f\u7528TABULATE\u547d\u4ee4\u3002\u5982\u679c\u4f60\u7684\u53d8\u91cfYEAR\u975e\u5e38\u7684\u89c4\u5219\uff0c\u6bd4\u59821990-2010\u5e74\u3002\u5171\u670921\u4e2a\u5e74\u4efd\u3002\u6ca1\u6709\u5176\u4ed6\u7684\u6bd4\u5982\u5c0f\u6570\u3001\u65e0\u7406\u6570\u4e4b\u7c7b\u7684\u4e71\u4e03\u516b\u7cdf\u7684\u6570\u3002\u90a3\u4e48
tabulate YEAR, gen(REG)
\u4f1a\u76f4\u63a5\u751f\u621021\u4e2a\u53d8\u91cf\uff0cREG1\uff0cREG2\uff0c....REG21\u3002REG1\u5c31\u662f\u5f53YEAR =1990\u65f6\u53d6\u503c\u4e3a1\uff0c\u5176\u4ed6\u65f6\u5019\u53d6\u503c\u4e3a0.\u7c7b\u4f3c\u7684REG2\u5c31\u662f\u5f53YEAR =1991\u65f6\u53d6\u503c\u4e3a1\uff0c\u5176\u4ed6\u65f6\u5019\u53d6\u503c\u4e3a0.\u3002\u3002\u3002\u3002
你可以试一下使用stata自带的自动生成交叉变量的命令，Interaction expansion，或者是使用 Data > Create or change data > Other variable-creation commands > Interaction expansion 来生成交叉变量
变量的单位问题？？？
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绛旓細replace a=1 if equity_tpye=="闈炲浗鏈"瑕佸姞寮曞彿銆
