lastdaypresent: last day an individual was present
In EloRating: Animal Dominance Hierarchies by Elo Rating

Description Usage Arguments Details Value Author(s) Examples

last day an individual was present with respect to a reference date

1	lastdaypresent(x, ID = "all", refdate = NULL)

`x`	output from `elo.seq`
`ID`	character, if `"all"`, all individuals are returned, otherwise only for the desired ID
`refdate`	character or Date (YYYY-MM-DD), up to which date the presence data should be considered, by default the last date of the sequene

the function can result in NA for two reasons. 1) the ID is not found in the presence data, which is accompanied by a warning and 2) the ID was not yet present if a referene date is specified

Date or NA

Christof Neumann

data(adv); data(advpres)
SEQ <- elo.seq(winner = adv$winner, loser = adv$loser, Date = adv$Date,
               presence = advpres)
lastdaypresent(SEQ, ID = "all", refdate = "2010-01-02")
lastdaypresent(SEQ, ID = "f", refdate = "2010-02-02")