On Nov 13, 2013, at 1:35 PM, Stefan Petersson wrote: > I have three media channels where I can push public health information (tv, > radio and newspaper). Any given citizen can be touched by the information > from one, two or three channels (let's ignore for the moment that citizens > might miss the information all together). Hence these sets: > > library(sets) > > tv <- set(1, 4, 7, 6) > radio <- set(6, 7, 5, 2) > newspaper <- set(4, 7, 5, 3) > > Now I want to know how many citizens that newspapers bring to the complete > body of informed citizens. E.g. how many people gets the information ONLY > from a newspaper: > > (tv | radio | t) - (tv | radio) > > But how do I solve this if I know that > > 220 people is reached via tv > 349 people is reached vi radio > 384 people is reached via newspaper > > 97 people is reached via tv and radio > 173 people is reached via radio and newspaper > 134 people is reached via newspaper and tv > > It's the grey area of the (dummy) plot below that I would like to put a > frequency in > > library(VennDiagram) > > draw.triple.venn(area1 = 10, > area2 = 10, > area3 = 10, > n12 = 3, > n13 = 3, > n23 = 3, > n123 = 1, > category = c('TV', 'Radio', 'Newspaper'), > fill = c('white', 'white', 'grey'), > alpha = c(1, 1, 0) > ) > > I don't understand how the frequencies that I know is supposed to be used > in the 'sets' notation. Or am I completely misunderstanding something here? > Wouldn't be the first time if I did... >
Is there any reason for us to think this isn't homework? Have you read the Posting Guide? > TIA > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. David Winsemius Alameda, CA, USA ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.