Displaying 6 results from an estimated 6 matches for "logexact".
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agexact
2002 Feb 19
1
exact confidence intervals for conditional logistic regression
Dear R folks,
We completed a matched case-control study that was analyzed using
conditional logistic regression. Because of the small sample size we need
to calculate exact confidence intervals. The quick solution is to purchase
LogExact by Cytel. However, we'd like to do this in R. Anyone have
experience with this?
Many thanks,
Tomas
____________________________________
Tomas Aragon, MD, DrPH, Director
Com Health Epidemiology & Disease Control
San Francisco Department of Public Health
Tel: (415) 554-2724, Fax: (415) 554-2...
2009 Jun 23
1
implementing Maximum Likelihood with distrMod when only the PDF is known
...tribution")),
contains="Parameter"
)
##Class: distribution (created using the pdf of the skew normal defined
above)
setClass("SkewNorm",prototype = prototype(
d = function(x, log = FALSE){fsn(x, mu=0, sd=1,d=0)},
param = new("SkewNormParameter"),
.logExact = TRUE,.lowerExact = TRUE),
contains = "AbscontDistribution"
)
#so far so good but then with
setMethod("mu", "SkewNormParameter", function(object) object at mu)
#I get the following error message:
> Error in setMethod("mu", "SkewNormParameter"...
2008 Nov 07
0
clogit and small sample sizes: what to do?
...ng message was posted to this list:
-----old post 2002------------
Dear R folks,
We completed a matched case-control study that was analyzed using
conditional logistic regression. Because of the small sample size we
need to calculate exact confidence intervals. The quick solution is to
purchase LogExact by Cytel. However, we'd like to do this in R. Anyone
have experience with this?
Many thanks,
Tomas
____________________________________
Tomas Aragon, MD, DrPH
-----old post 2002 end------------
At that time, the answers were not too encouraging. Anyway, I might have
the very same query 200...
2017 Aug 26
0
Find maxima of a function
> On 26 Aug 2017, at 16:39, niharika singhal <niharikasinghal1990 at gmail.com> wrote:
>
> Hi,
>
> Thanks for your mail, and time
>
> It is not working for some arguments, when mean value is like >6.
>
>
> case
>
> mc0 <- c(0.08844446,0.1744455,0.1379778,0.1209769,0.1573065,0.
> 1134463,0.2074027)
>
> rv
2017 Aug 26
1
Fwd: Find maxima of a function
Hi,
Thanks for your mail, and time
It is not working for some arguments, when mean value is like >6.
case
mc0 <- c(0.08844446,0.1744455,0.1379778,0.1209769,0.1573065,0.
1134463,0.2074027)
rv <-UnivarMixingDistribution(Norm(486.4255, 53.24133),
Norm(664.0713, 3.674773),
Norm(669.0484, 4.101381),
2017 Aug 27
2
Fwd: Find maxima of a function
.....@ r :function (n)
> ..@ d :function (x, log = FALSE)
> ..@ p :function (q, lower.tail = TRUE, log.p = FALSE)
> ..@ q :function (p, lower.tail = TRUE, log.p = FALSE)
> ..@ .withSim : logi FALSE
> ..@ .withArith : logi TRUE
> ..@ .logExact : logi FALSE
> ..@ .lowerExact: logi FALSE
> ..@ Symmetry :Formal class 'NoSymmetry' [package "distr"] with 2 slots
> .. .. ..@ type : chr "non-symmetric distribution"
> .. .. ..@ SymmCenter: NULL
> > str(density(rv))
> Error in densi...