請(qǐng)問(wèn)在stata中輸入命令“findit xxx”總是提示:(contacting http://www.stata.com)<br>
http://www.stata.com/websee.cgi?r=2&amp;s=bds&amp;o=w&amp;j=a&amp;k=xthreg could not be opened f&gt; or read by copytextfile<br>
r(601);<br>
(click here to return to the previous screen)<br>
(end of search)<br>
是為什么 謝謝大家