求救，在线等，在eviews里控制变量该如何操作 用Eviews怎么处理控制变量
\u5728\u4f7f\u7528eviews\u662f\u51fa\u73b0\u4e0b\u9762\u60c5\u51b5\u8be5\u5982\u4f55\u5904\u7406\uff1f\u4f60\u505a\u56de\u5f52\u7528\u7684\u81ea\u53d8\u91cf\u91cc\u9762\u6709\u4e00\u4e2a\u662f\u5b57\u7b26\u53d8\u91cf\uff0c\u4f46\u662f\u88ab\u4f60\u7528\u4f5c\u4e86\u865a\u62df\u53d8\u91cf\uff0ceviews\u4e0d\u80fd\u5904\u7406\u4ee5\u5b57\u7b26\u578b\u53d8\u91cf\u4e3a\u81ea\u53d8\u91cf\uff08\u6216\u56e0\u53d8\u91cf\uff09\u7684\u56de\u5f52\u65b9\u7a0b\uff0c\u6240\u4ee5\u4f60\u9700\u8981\u8f6c\u6362\u4e00\u4e0b\uff0ceviews\u63d0\u793a\u4f60\u4f7f\u7528@expand\u51fd\u6570
\u4ece\u622a\u56fe\u4e0a\u770b\u4f60\u7528\u7684\u5e94\u8be5\u662feviews5.x\u7248\u672c\uff0c\u5177\u4f53\u6765\u8bf4\uff0c\u4f60\u53d8\u91cfy\u662f\u5b57\u7b26\u53d8\u91cf\uff08\u4ece\u622a\u56fe\u7684y\u7684icon\u53ef\u4ee5\u770b\u51fa\uff09\uff0c\u4e0d\u59a8\u5047\u8bbe\u4f60\u7528y\u4e3a\u56e0\u53d8\u91cf\uff0cx\uff0cc,year\u4e3a\u81ea\u53d8\u91cf\uff0c\u4f60\u60f3\u4f30\u8ba1\u65b9\u7a0by=c+c1*x+c2*year\uff0c\u5728\u4f60\u7684\u547d\u4ee4\u7a97\u53e3\u4e2d\u8f93\u5165@expand(y) c x year \u56de\u8f66 \u8bb0\u5f97\u5230\u4f30\u8ba1\u7684\u7ed3\u679c\uff0c\u5982\u679c\u4f60\u7684y\u662f\u4e8c\u5206\u53d8\u91cf\uff0c\u6bd4\u5982\u201c\u7537\u201d\u201c\u5973\u201d,\u90a3\u4e48@expand\u4f1a\u628a\u5b83\u8f6c\u6362\u6210\u865a\u62df\u53d8\u91cf0\u548c1.
\u4f60\u4eceexcel\u5bfc\u5165\u6570\u636e\u5230eviews\uff0c\u5982\u679cexcel\u4e2d\u53d8\u91cf\u4e3a\u5b57\u7b26\u578b\u53d8\u91cf\uff0c\u5bfc\u5165\u8fdb\u53bb\u5c31\u4f1a\u88ab\u8bfb\u6210\u5b57\u7b26\u53d8\u91cf\u3002
\u56de\u5f52\u5206\u6790\u65f6\u7eb3\u5165\u8be5\u53d8\u91cf\u5373\u53ef
\uff08\u7edf\u8ba1\u4e4b\u661f\u5de5\u4f5c\u5ba4\uff09
搜一下：求救，在线等，在eviews里控制变量该如何操作
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