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st: Réf.: Re: st: bootstrap a test linear hypotheses


From   Thierry Hounsa <[email protected]>
To   [email protected]
Subject   st: Réf.: Re: st: bootstrap a test linear hypotheses
Date   Wed, 5 Jun 2013 01:42:52 +0100 (BST)

Thanks for your reply. What are the ideas in the litterature on how to do it?



------------------------------
Le mar. 4 juin 2013 16:32 HAP, Nick Cox a écrit :

>The problem is in the idea. How do you bootstrap a time series? Once
>you have sampled a set of observations with replacement, how do you
>then define the time order for such a sample, with typically some
>observations repeated and some missing? There are ideas in the
>literature on how to do it, but -bootstrap- does not implement them.
>Nick
>[email protected]
>
>
>On 5 June 2013 00:23, Thierry Hounsa <[email protected]> wrote:
>> Hi all.. How to bootstrap a test linear hypothese after the estimation of a Vectorial Autoregressive Model?
>> Indeed, I perform these commands:
>>
>> *** estimate a VAR of 2 lags on the variables Y1 and Y2***
>> var Y1 Y2
>> *** Perform a test on the coefficients of Y1***
>> test ([Y1]: L.Y2 L2.Y2)
>> *** bootstrap the previous test***
>> bootstrap, reps(50) : test ([Y1]: L.Y2 L2.Y2)
>> But I get the following error message: "time-series operators are not allowed with bootstrap without panels, see tsset, r(198)"
>> What's wrong with my commands? What should I do?
>> Thanks in advance
>>
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