Notice: On April 23, 2014, Statalist moved from an email list to a forum, based at statalist.org.
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: st: How to test ratio of coefficients
From
Yuval Arbel <[email protected]>
To
statalist <[email protected]>
Subject
Re: st: How to test ratio of coefficients
Date
Tue, 3 Sep 2013 20:32:42 -0700
You can also get the confidence interval of this expression by using
nlcom x1Xx3 / x1Xx4 - x2Xx3 / x2Xx4
Yuval
On Tue, Sep 3, 2013 at 7:43 PM, Liu,Zhong <[email protected]> wrote:
> Hi, George:
>
> I think that you should use testnl instead.
>
> Best,
> Zhong
>
> -----原始邮件----- From: George_Huang
> Sent: Wednesday, September 04, 2013 10:34 AM
> To: [email protected]
> Subject: st: How to test ratio of coefficients
>
>
> Hi,
>
> I have following regression:
>
> reg y x1 x2 x3 x4 x1Xx3 x1Xx4 x2Xx3 x2Xx4
>
> I would like to compare ratio of coefficients on x1Xx3 / x1Xx4 with the
> following ratio: x2Xx3 / x2Xx4.
>
> I try to use the following commend:
>
> test x1Xx3 / x1Xx4 = x2Xx3 / x2Xx4
>
> However, I got the result stated “not possible with test”. Are there other
> ways to solve the problem?
>
> Any suggestion is greatly appreciated.
>
> Best,
>
> George
>
>
>
>
>
> *
> * For searches and help try:
> * http://www.stata.com/help.cgi?search
> * http://www.stata.com/support/faqs/resources/statalist-faq/
> * http://www.ats.ucla.edu/stat/stata/
> *
> * For searches and help try:
> * http://www.stata.com/help.cgi?search
> * http://www.stata.com/support/faqs/resources/statalist-faq/
> * http://www.ats.ucla.edu/stat/stata/
--
Dr. Yuval Arbel
School of Business
Carmel Academic Center
4 Shaar Palmer Street,
Haifa 33031, Israel
e-mail1: [email protected]
e-mail2: [email protected]
You can access my latest paper on SSRN at: http://ssrn.com/abstract=2263398
You can access previous papers on SSRN at: http://ssrn.com/author=1313670
*
* For searches and help try:
* http://www.stata.com/help.cgi?search
* http://www.stata.com/support/faqs/resources/statalist-faq/
* http://www.ats.ucla.edu/stat/stata/