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Convert years BP from pastclim to lubridate date, or vice versa

Source: R/ybp2date.R
ybp2date.Rd

These functions convert between years BP as used by pastclim (negative numbers going into the past, positive into the future) and standard POSIXct date objects.

Usage

ybp2date(x)

date2ybp(x)

Arguments

x

a time in years BP using the pastclim convention of negative numbers indicating years into the past, or a POSIXct date object

Value

a POSIXct date object, or a vector

Examples

ybp2date(-10000)
#> [1] "-8050-01-01 UTC"
ybp2date(0)
#> [1] "1950-01-01 UTC"
# back and forth
date2ybp(ybp2date(-10000))
#> [1] -10000