Displaying 3 results from an estimated 3 matches for "virasakdi".
2008 Apr 21
1
Analysis of Epidemiological Data Using R
Hi everyone,
I'm studying the manual name: Analysis of Epidemiological Data Using
R and Epicalc, maked by: Virasakdi Chongsuvivatwong and Edward McNeil.
And I can't find the data base that they use in some examples, this are
the names:
Chapter7.Rdata,Chapter8.Rdata,Chapter9.Rdata
Somebody can tell me how can I have this files?
Thk!
Jos?
O__ ---- Jos? Bustos M.
c/ /'_ --- Master Apllied Stat Pr...
2009 Jul 27
0
ROC curve using epicalc (after logistic regression) (re-sent)
...aintainer, as suggested
in the posting guide.
Regards,
Cliff
---------- Forwarded message ----------
From: Clifford Long <gnolffilc at gmail.com>
Date: Sun, Jul 26, 2009 at 8:46 PM
Subject: Fwd: ROC curve using epicalc (after logistic regression)
To: cvirasak at medicine.psu.ac.th
Dear Virasakdi Chongsuvivatwong,
After sending the message below to the R-help mailing list, it
occurred to me that I probably should also have sent a copy to you,
per R posting guidance.
I would be interested in any thoughts or suggestions that you might
have regarding my difficulty using the ROCR routine in t...
2011 Dec 13
8
How to compute 95%CI for OR from logistic regression?
Hi all:
My data has 3 variables:
age(3levels : <30y=1 30-50y=2, >50y=3)
gender(Male=0, Female=1)
CD4 cell count(raw lab measurement)
y(1:death 0:alive)
I perform logistic regression to find out the factors that influence y.
result<-glm(y ~ factor(age) + factor(gender) + CD4,family = binomial)
>From the result,I can get OR(Odds Ratio) of gender via exp(Estimate of Female,