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Re: st: REML with non-normally distributed dependent Variable


From   Christian Weiss <christian.weiss@nightberry.de>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: REML with non-normally distributed dependent Variable
Date   Wed, 3 Jun 2009 13:23:06 +0200

Thank you for your answer!

I already log-transformed the variable, yielding the following result:

http://yfrog.com/11graphpp


...looks relatively normally distributed to me.

Unfortunately, swilk and swfrancia still tell me that it's not
normally distributed...



On Tue, Jun 2, 2009 at 10:04 PM, Dan MacNulty <macn0007@umn.edu> wrote:
> Why not transform your dependent variable (e.g, log-transform) to
> approximate a normal distribution? Dan
>
> Christian Weiss wrote:
>>
>> Dear Statalisters,
>>
>> I am working with a random-intercept model using REML. As it turned
>> out my dependent variable is not normally distributed.
>> If I recall it correctly, one of the assumptions of ML is multivariate
>> normality. Do you have any advice what to do or to consider?
>>
>> Best regards
>> Christian
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