lexis.lifeline: Deprecated. Plot lifelines into a Lexis grid
In LexisPlotR: Plot Lexis Diagrams for Demographic Purposes

Description Usage Arguments Details Value Author(s) Examples

Add lifelines to an existing Lexis grid.

1 2	lexis.lifeline(lg, entry, exit = NA, lineends = F, colour = lpr_colours()[7], alpha = 1, lwd = 0.5)

`lg,`	an existing object originally created with `lexis.grid()`.
`entry`	character, set the entry or birth date of an individual in format `"YYYY-MM-DD"`.
`exit`	character, set the exit or death date of an individual in format `"YYYY-MM-DD"`. Default is `NA` (no exit or death observed).
`lineends`	logical, if `TRUE` lineends will be marked. Default is `FALSE`.
`colour`	character, set the colour of the lifelines. Default is `"red"`.
`alpha`	numeric, set the transparency of the lifelines. Default is `1` (no transparency).
`lwd`	numeric, set the linewidth of the lifelines. Default is `0.5`.

Takes an existing Lexis grid and adds lifelines to the grid. Input can be a single dates or dates from a vector.

A ggplot2 object.

Philipp Ottolinger

## Not run: 
lg <- lexis.grid(year.start = 1900, year.end = 1905, age.start = 0, age.end = 5)
lexis.lifeline(lg = lg, entry = "1901-09-23")
lexis.lifeline(lg = lg, entry = "1901-09-23", exit = "1904-03-03")

## End(Not run)