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8 results for “from:Polychronis KOSTOULAS”

Workshop on Bayesian methods and WinBUGS. One week to go!
Polychronis KOSTOULAS · Jan 26, 2012 · r-help

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Double AND within an IF statement
Polychronis KOSTOULAS · Feb 24, 2016 · r-help

Hi there, apologies if this is easy. I want to write this condition: If age is more than 4 years and less or equal to 8 years and infection is positive then replacement is 2. Can you help me the...

Installing required packages with an R package
Polychronis KOSTOULAS · May 7, 2018 · r-help

Dear All, I am preparing an R-package and I would like to ask how do I make it check whether dependencies (i.e. other packages) are already installed in a machine and if they are not installed to automatically...

How to define mutualy exclusive parameters of a function
Polychronis KOSTOULAS · Apr 26, 2018 · r-help

Dear All, apologies if this is basic: I am writing a function: fb<-function(mean, median, mode, a, b=0.95, lower=F) {....} The arguments mean, median and mode are mutually exclusive (i.e. the user should define only one...

[R-pkg-devel] Unable to build pdf manuals
Polychronis KOSTOULAS · May 14, 2018 · r-package-devel

Dear colleagues, apologies if this is easy to solve but I am a rookie. I have developed an R package with three R functions. Everything works fine and the "check" is ok but I cannot find the pdf manual that...

LCMATE mailing list
Polychronis KOSTOULAS · May 3, 2017 · r-sig-epi

Dear colleagues, We have created LCMATE (Latent Class Models for the Accuracy of TEsts), a mailing list for people that are interested in the development and application of latent class models for the evaluation of diagnostic tests, primarily within a...

Installing required packages with an R package
Polychronis KOSTOULAS · May 7, 2018 · r-help

Thanks Jeff and Bert, will look there. P. ???? ???, 7 ??? 2018 - 22:28 ? ??????? Bert Gunter <bgunter.4567 at gmail.com> ??????: > Thanks, Jeff. I stand corrected. > > -- Bert > > > > Bert Gunter > > "The trouble with having an open mind is that people keep coming along...

PriorGen: An R package that generates prior distributions for proportions
Polychronis KOSTOULAS · Jun 13, 2018 · r-packages

Dear Colleagues, PriorGen is an R package that generates priors in the form of beta and Gamma distributions got proportions. You may find it useful for the generation of priors on the sensitivity/specificity of diagnostic tests and the prevalence...

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