[R] proportions confidence intervals

From: Darren Shaw <Darren.Shaw_at_ed.ac.uk>
Date: Tue 13 Jul 2004 - 01:45:10 EST


Dear R users

this may be a simple question - but i would appreciate any thoughts

does anyone know how you would get one lower and one upper confidence interval for a set of data that consists of proportions. i.e. taking a usual confidence interval for normal data would result in the lower confidence interval being negative - which is not possible given the data (which is constrained between 0 and 1)

i can see how you calculate a upper and lower confidence interval for a single proportion, but not for a set of proportions

many thanks

Darren Shaw



Dr Darren J Shaw
Centre for Tropical Veterinary Medicine (CTVM) The University of Edinburgh
Scotland, EH25 9RG, UK

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