[R] bi-directional bar chart with a central axis
dw|n@em|u@ @end|ng |rom comc@@t@net
Wed Sep 18 00:31:47 CEST 2019
On 9/17/19 3:14 PM, Sabatier, Jennifer F. (CDC/DDPHSIS/CGH/DGHP) via
> 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:
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").
Also look in the plotrix package since I seem to remember that it has
one nicely documented and illustrated.
> Any help would be highly appreciated!
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> and provide commented, minimal, self-contained, reproducible code.
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