Displaying 6 results from an estimated 6 matches for "cduhr".
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cdr
2006 Mar 28
2
Welch test for equality of variance
...I need.....I need the Welch test
itself, for use in a meta-analysis (to determine if variances are
equal).
TIA
Peter
Peter L. Flom, PhD
Assistant Director, Statistics and Data Analysis Core
Center for Drug Use and HIV Research
National Development and Research Institutes
71 W. 23rd St
http://cduhr.ndri.org
www.peterflom.com
New York, NY 10010
(212) 845-4485 (voice)
(917) 438-0894 (fax)
2007 Feb 07
1
Problem with subsets and xyplot
.... No errors, and it is a subset, but the
subset is NOT MSAs with low values of HIVEST.
Any help appreciated.
Peter
Peter L. Flom, PhD
Assistant Director, Statistics and Data Analysis Core
Center for Drug Use and HIV Research
National Development and Research Institutes
71 W. 23rd St
http://cduhr.ndri.org
www.peterflom.com
New York, NY 10010
(212) 845-4485 (voice)
(917) 438-0894 (fax)
2005 Nov 04
1
Graphics question on putting axes in the margins
...9;t figure out how to do it
(although I looked extensively at Paul Murrell's excellent book on R
graphics)
TIA
Peter
Peter L. Flom, PhD
Assistant Director, Statistics and Data Analysis Core
Center for Drug Use and HIV Research
National Development and Research Institutes
71 W. 23rd St
http://cduhr.ndri.org
www.peterflom.com
New York, NY 10010
(212) 845-4485 (voice)
(917) 438-0894 (fax)
2005 Sep 19
1
Use of least-squares means, are they misleading?
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Hi.
Sorry for sending this question twice, but I would really like to know
your opinion on this topic.
I have been reading about the (in)convenience of using least-squares
means (a. k. a. adjusted means) in multiple comparisons (I used to
resort to them when using SAS). I even read a post in this list warning
against them, but not giving much detail.
2005 Nov 10
2
Help to multinomial analyses
Dear Sirs,
Could you please be so kind as to send us some information on residuals in
multinomial logistic models? Is it possible to use R software?
We thank you in advance.
Sincerely yours
Luciana Alves,MSc
Beatriz Leimann, MD
--
Luciana Correia Alves
Doutoranda em Sa??de P??blica
ENSP - Fiocruz
2005 Sep 27
5
graphics guide?
I am trying to create some graphs with R and it seems to be able to do
what I need. However, I have so far not been able to find any sort of
explanation of how the graphics system works. I am for instance trying
to create a multiple figure, and I seem to have to call plot.new()
before every new plot command, I have however not found any
explanation of what this actually does. ?plot.new does give