lexis_year {LexisPlotR}

Emphasize a certain year in Lexis grid.

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)