pyramids {pyramid}

Drawing population pyramid using vectors

Description

Drawing population pyramid using vectors. Detailed explanation is given in Japanese at http://minato.sip21c.org/swtips/R.html#PYRAMID.

Usage

pyramids(Left, Right, Center=NULL, ...)

Arguments

Left

A vector of the numbers of people given for the left pyramid.

Right

A vector of the numbers of people given for the right pyramid.

Center

If given, a vector of the age-class labels to be drawn in center. If not given, names(Left) is used instead.

...

This is the wrapper function for pyramid(). All options for pyramid() can be passed.

Author(s)

Minato Nakazawa [e-mail] http://minato.sip21c.org/

Examples

 py.Males <- c(80,40,30,20,10)
 names(py.Males) <- c('0-9','10-19','20-29','30-39','40-')
 py.Females <- c(60,50,40,30,5)
 pyramids(Left=py.Males, Llab="Males", Right=py.Females, Rlab="Females",
  Laxis=c(0,50,100), main="An example of population pyramid\n with fixed axis")