如何用stata实现面板数据异方差和序列相关检验啊？

.findit xtserial
. net sj 3-2 st0039         (or click on st0039)
. net install st0039        (or click on click here to install)

这个步骤可以

xymao 发表于 2015-5-31 22:03
.findit xtserial
. net sj 3-2 st0039         (or click on st0039)
. net install st0039        (or ...

谢谢。。。

--------------------------------------------------------------------------------
package installation
--------------------------------------------------------------------------------

package name:  st0039.pkg
        from:  http://www.stata-journal.com/software/sj3-2/

checking st0039 consistency and verifying not already installed...
all files already exist and are up to date.
--------------------------------------------------------------------------------
(click here to return to the previous screen)

怎么使用这个命令啊，我老出错，我是新手。谢谢