1.findit wls0
2.wls0 from http://www.ats.ucla.edu/stat/stata/ado/analysis
3.(click here to install)

额，没看明白，这是网址？还是命令？

哦，知道了，谢谢

输入1的命令，然后就会弹出一个窗口，点开2后再点3

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

package name:  wls0.pkg
        from:  http://www.ats.ucla.edu/stat/stata/ado/analysis/

checking wls0 consistency and verifying not already installed...
all files already exist and are up to date.
---------------------------------------------------------------------------------------------
(click here to return to the previous screen)
这是啥情况？装好了么还是不成功