solved for you by reading sas manual. see the above post


所有跟贴·加跟贴·新语丝读书论坛http://www.xys.org/cgi-bin/mainpage.pl

送交者: xj 于 2005-8-20, 00:41:56:

回答: just talked to someone over the phone. 由 cornbug 于 2005-8-20, 00:36:06:




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