lexis_cohort {LexisPlotR}

Emphasize a certain cohort in a Lexis grid

Description

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

Usage

lexis_cohort(lg, cohort, delta = 1, fill = lexisplotr_colours()[3],
  alpha = 0.7)

Arguments

lg

an existing object originally created with lexis_grid().

cohort

numeric, set the cohort 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 level of 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 cohort in the Lexis grid.

Author(s)

Philipp Ottolinger

Examples

library(LexisPlotR)
lg <- lexis_grid(year_start = 1900, year_end = 1905, age_start = 0, age_end = 5)
lexis_cohort(lg = lg, cohort = 1901)