Displaying 20 results from an estimated 76 matches for "cramers".
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cramer
2008 Oct 26
2
Two sample Cramer-von Mises test
Hall all,
Where can I find the two sample Cramer-von Mises test in R package?
Thank you.
Legendy
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2012 Jun 10
1
V-Cramer in svy
Hello forum,
I want to find in survey how to test V-cramer and coefficient Goodman-Kruskal gamma, to test the collinearity between varibles to enter a model.
For the V-Cramer function is used with the package vcd assocstats but without considering the survey package.
I appreciate the cooperation.
Att. Diana Martinez
[[alternative HTML version deleted]]
2008 Jul 14
2
how to correlate nominal variables?
Dear R-Users,
I need functions to calculate Yule's Y or Cram?rs Index, in order to
correlate variables that are nominally scaled?
Am I wrong? Are such functions existing?
Sincerely,
Timo
2006 Jun 13
1
Cramer-von Mises normality test
Hi, this is my first help request so please bear with me.
I've been running some normality tests using the nortest package. For
some of my datasets the Cramer-von Mises normality test generates an
extremely high probability (e.g., 1.637e+31) and indicates normality
when the other tests do not. Is there something I'm misunderstanding
or potentially a bug in the code?
Below are the
2001 Nov 10
2
Goodness-of-fit on Burr distributed data
I simulate a uniform data and then transformed into Burr(1,3,1) data,
which is of pdf:
f(x)=[3*(x^2)] / [(1+x^3)^2], x>0
How can I perform a goodness-of-fit test (k-s,
anderson-darling,chisq,cramer-von mises,...) on it (should highly accept)
to get test-statistics & p-values?
Thanks!
Sincerely,
Shelton Jin
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2005 Nov 01
0
two sample Cramer-von Mises test
Hello list,
Is there any function in some package can calculate two sample Cramer-von
Mises test statistic? I searched around and only find one sample version
cvm.test() in nortest package.
thanks,
WC
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2011 Feb 14
0
Spatstat - envelope, Thomas process and Cramer-von Mises
Hi all,
I am using "spatstat" to investigate the spatial structure of some plant
populations, and I want to detect these patters with IPP and a Thomas
process based on pair-correlation function. I know the function "pcfinhom"
is available to characterize the IPP, but I have no idea about how to use
the pcf with Thomas process? Additionally, generating simulation envelopes
2011 Feb 22
0
Which function in R package "Spatstat" can help me to get the Cramer-von Mises statistic
Hi all,
When I detect the spatial point pattern, I want to use the Cramer-von Mises
statistic to assess the curve-wise significance of deviations from null
hypotheses. Who can tell me which function in R package "Spatstat" can do
this work?
Thanks a lot
Jeff
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2013 Feb 19
2
Cramer von Mises test for a discrete distribution
Hi,
?
I'm trying to carry out Cramer von Mises tests between pairs of vectors belonging to a discrete distribution (concretely frequencies from 0 to 200). However, the program crashes in the attempt. The problem seems to be that these vectors only have positive integer numbers (+ zero). When I add a random very small positive decimal to the non-decimal part everything works fine (files prm1
2004 Oct 18
0
I seem to be doing Dcv wrong
There is a paper
(1) A new metric for categorical data, by
S. H. Al-Harbi, G. P. McKeown, and V. J. Rayward-Smith, in
Statistical Data Mining and Knowledge Discovery,
ed. Hamparsum Bozdogan, CRC Press, 2004.
This paper introduced a distance measure Dcv for clustering.
I have _not_ read this paper myself, and do not as yet have access
to a copy of it, but I'm trying to make sense of
2002 Dec 10
1
Lognormal distribution
I am trying to fit a lognormal distribution to a set of data and test its
goodness of fit with regard to predicted values.
I managed to get so far:
> y <- c(2,6,2,3,6,7,6,10,11,6,12,9,15,11,15,8,9,12,6,5)
> library(MASS)
> fitdistr(y,"lognormal",start=list(meanlog=0.1,sdlog=0.1))
meanlog sdlog
1.94810515 0.57091032
(0.12765945) (0.09034437)
But I would
2009 May 28
3
R help
Dear Sir
I am new user of R.
I am interested in modeling hydrological extreme events. I found MSClaio2008 very interesting function. In this function four criterions for choosing distributions. Can we call these criterions as model selection techniques or goodness of fit techniques or both? Because goodness of fit techniques are usually performed after modle selection.
Can I found
2004 Nov 21
7
wxRuby 0.6.0 is released!
wxRuby 0.6.0 has been released and is now available for
download from RubyForge at http://wxruby.rubyforge.org/
This release includes binary builds for Max OS X and
MS Windows.
Changes in this release include:
* Additional widget support in XRC (thanks to Marshall Elfstrand)
* Addition of wxScrollbar (thanks to Hans Harmon of Pinnacle
Technologies Inc)
* Addition of wxGrid event handlers (thanks
2006 Jun 14
1
Bug in nortest cvm.test package (PR#8980)
I believe there to be a bug in the cvm.test module of the nortest
package authored by Juergen Gross. I do not know how to contact the
author directly.
I've been running some normality tests using the nortest package. For
some of my datasets the Cramer-von Mises normality test generates an
extremely high probability (e.g., 1.637e+31) and indicates normality
when the other tests do
2004 Apr 14
7
trend turning points
Hi,
does anybody know of a nice test to detect trend turning points in time
series? Possibly with reference?
Thanks,
joerg
2013 Dec 12
3
warning from managesieve
when .dovecot.sieve is a symlink (which it is in my case) a warning is
written to the error log file, but it still works.
Dec 12 10:02:33 managesieve(tester at domain.com): Warning:
sieve-storage: Active sieve script symlink
/srv/vmail/sieve/domain.com/tester/.dovecot.sieve is broken:
invalid/unknown path to storage (points to ingo.sieve).
root at
2007 Jan 02
6
package dependency tree
Is there a painless way to find the names of all packages on CRAN
that "Depend" on a specified package?
url: www.econ.uiuc.edu/~roger Roger Koenker
email rkoenker at uiuc.edu Department of Economics
vox: 217-333-4558 University of Illinois
fax: 217-244-6678 Champaign, IL 61820
2007 Feb 01
3
Help with efficient double sum of max (X_i, Y_i) (X & Y vectors)
Greetings.
For R gurus this may be a no brainer, but I could not find pointers to
efficient computation of this beast in past help files.
Background - I wish to implement a Cramer-von Mises type test statistic
which involves double sums of max(X_i,Y_j) where X and Y are vectors of
differing length.
I am currently using ifelse pointwise in a vector, but have a nagging
suspicion that there is a
2001 Oct 11
2
Where's MVA?
Hi All:
Package TSERIES is stated to depend on MVA. However, there is no MVA package to be found under the list of package sources.
Best wishes,
ANDREW
tseries: Package for time series analysis
Package for time series analysis with emphasis on non-linear and non-stationary modelling Version: 0.7-6
Depends: ts, mva, quadprog
Date: 2001-08-27
Author: Compiled by Adrian
2009 Apr 29
2
DTrace provider proposal: fibre channel (fc) COMSTAR port provider probes
I have added a specification of probes for the fibre channel COMSTAR
port provider to the DTrace section of wikis.sun.com. The proposal may
be found here: http://wikis.sun.com/display/DTrace/fibre+channel+Provider
I welcome feedback regarding this proposal.
Thanks,
Sam