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Re: st: ksmirnov and normality
From
"JVerkuilen (Gmail)" <[email protected]>
To
[email protected]
Subject
Re: st: ksmirnov and normality
Date
Fri, 8 Feb 2013 09:05:37 -0500
Kolmogorov-Smirnov has such a non-specific alternative hypothesis that
its power is VERY low. Also, normality testing is often not very
useful, so I would encourage you to consider whether it's even very
informative. Plots such as qnorm is often more helpful.
On Fri, Feb 8, 2013 at 6:42 AM, Nahla Betelmal <[email protected]> wrote:
> dear statalist,
>
> I found a paper says that Kolmogorov-Smirnov test is used for
> normality test in SPSS and SAS, but not in STATA. In STATA ksmirnov
> command is used for the one or two samples Kolmogorov-Smirnov test.
> the paper http://faculty.ksu.edu.sa/hisham/Documents/Students/a_PHCL/Testing_Normality.pdf,
> page 2
>
> I have two questions, does this mean that we can not use ksmirnov
> command to test normality for one sample in STATA?
> Second, what is the meaning behind STATA ksmirnov command is used for
> the one sample Kolmogorov-Smirnov test, other than normality test?
> what is the point the author wants to make?
>
> N.B my sample size is 300 observations
>
>
> Many thanks
>
> Nahla Betelmal
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--
JVVerkuilen, PhD
[email protected]
http://lesswrong.com/
"Everybody loves progress but nobody likes change." ---Fortune cookie, 1/13/13.
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