Oh, I guess I just wasn't thinking of them as population pyramids since the
variables A-M are actually responses to unrelated survey questions and not age
bins. But that's silo'd thinking because why would that matter?
Thanks for the brain nudge. I'll check out the plotrix link.
Jen
-----Original Message-----
From: David Winsemius <dwinsem...@comcast.net>
Sent: Tuesday, September 17, 2019 6:32 PM
To: Sabatier, Jennifer F. (CDC/DDPHSIS/CGH/DGHP) <f...@cdc.gov>;
r-help@r-project.org
Subject: Re: [R] bi-directional bar chart with a central axis
On 9/17/19 3:14 PM, Sabatier, Jennifer F. (CDC/DDPHSIS/CGH/DGHP) via R-help
wrote:
> Hi R-help,
>
> I have this data:
>
> my.dta <-data.frame(matrix(c(
> 26.3, 21.4,
> 20.1, 13.4,
> 7.9, 3.9,
> 16.5, 14.6,
> 5.3, 3.6,
> 38.6, 25.6,
> 34.4, 21.6,
> 77.4, 79.5,
> 58.2, 56.1,
> 80.5, 84,
> 37.7, 31.9,
> 19.9, 28.1,
> 6.2, 5.9
> ), nrow=13, ncol=2, byrow=T,
> dimnames=list(c('A', 'B', 'C', 'D', 'E', 'F', 'G', 'H',
> 'I', 'J', 'K', 'L', 'M'),
> c("Males", "Females"))
> ))
>
> I want to make a graph that looks like this:
>
> https://i1.wp.com/stephanieevergreen.com/wp-content/uploads/2012/11/ba
> cktoback11.jpg?resize=864%2C379&ssl=1
I suppose it helps to know that these are called "pyramid charts"
because of their common use in demographic circles for displaying comparative
population structures of men and women ("population pyramids").
https://markmail.org/search/?q=list%3Aorg.r-project.r-help+pyramid+chart
Also look in the plotrix package since I seem to remember that it has
one nicely documented and illustrated.
--
David.
>
> Any help would be highly appreciated!
>
> Best,
>
> Jen
>
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