lexis_year: Emphasize a certain year in Lexis grid.

In ottlngr/LexisPlotR: Plot Lexis Diagrams for Demographic Purposes

Description

Takes an existing Lexis grid and adds a coloured rectangle to highlight a certain age.

Usage

lexis_year(lg, year, delta = 1, fill = lexisplotr_colours()[2],
  alpha = 0.7)

Arguments

lg,	an existing object originally created with lexis_grid().
year	numeric, set the year to highlight.
delta	numeric, set the size of the age groups. Default is 1.
fill	character, set the colour of the rectangle.
alpha	numeric, set the transparency of the rectangle. Default is 0.5.

Details

Takes an existing Lexis grid and adds a coloured rectangle to the plot. The rectangle will highlight a certain year in the grid.

Value

A ggplot2 object.

Author(s)

Philipp Ottoliner

Examples

lg <- lexis_grid(year_start = 1900, year_end = 1905, age_start = 0, age_end = 5)
lexis_year(lg = lg, year = 1902)

ottlngr/LexisPlotR documentation built on Jan. 12, 2020, 6:57 p.m.