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k-sample Kolmogorov-Smirnov test?
4 messages · Mark, Adam D. I. Kramer, Rolf Turner +1 more
Maybe you should look a little harder.
help.search("Kolmogorov")
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
--Adam
On 15/09/2008, at 10:02 AM, Adam D. I. Kramer wrote:
Maybe you should look a little harder.
help.search("Kolmogorov")
PLEASE do read the posting guide http://www.R-project.org/posting- guide.html
Please do read the guy's question!!!
Hello, I would like to conduct a k-sample K-S test, but cannot find
reference to its implementation in R. Does anyone have experience
with this?
It's about a ***k-sample*** K-S test. As far as I can discern,
help.search("Kolmogorov")
points one only to ks.test() which (again, as far as I can discern)
effects only one
or two sample KS tests.
The multi-sample KS test does exist --- I must admit this was a new
one on me. (But then,
so many things are!) See e.g. JASA vol. 68, No. 344, pp. 994--997
``Tables of Critical Values
for a k-sample Kolmogorov-Smirnov Test Statistic'' by Edward H. Wolf
and Joseph I. Naus.
cheers,
Rolf Turner
P.S. RSiteSearch("Kolmogorov k-sample") turned up nothing useful.
R. T.
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On Sep 14, 2008, at 5:46 PM, Mark Na wrote:
Hello, I would like to conduct a k-sample K-S test, but cannot find reference to its implementation in R. Does anyone have experience with this? Thanks, Mark
I didn't have any luck with the method Kramer suggested, perhaps because I do not have a large number of packages installed. There is S-Plus code at the end of the article "k-Sample tests based on the likelihood ratio" Jin Zhang, Yuehua Wu; Computational Statistics & Data Analysis, Volume 51, Issue 9, 15 May 2007, Pages 4682-4691
David Winsemius