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Re: st: Variance Ratio Test
From
Nick Cox <[email protected]>
To
[email protected]
Subject
Re: st: Variance Ratio Test
Date
Thu, 19 Apr 2012 20:51:41 +0100
Definitely not. -sdtest- pays no attention even to whether data are a
time series, let alone their dependence structure.
Others can advise on the best way to proceed. You need a time
series-specific command.
Nick
On Thu, Apr 19, 2012 at 8:23 PM, Mark Bailie <[email protected]> wrote:
> Dave, many thanks for getting back to me.
>
> I'm a statistics beginner, and would like to test for the random walk in a series of stock prices.
>
> I plan to use the varaince ratio test to test my variables variance against that of a random walk (1).
>
> Is this just code: sdtest myvar ==1
>
> And if so how do I interpret how the results from a the sdtest? i.e. how do I know if it has rejected the null hypothesis.
Airey, David C [[email protected]]
> In what context?
>
> See -sdtest- and -robvar-.
>> hi, I'm slightly confused about how to test variables for the variance ratio test in stata?
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