filterDates {spDates}

Filter archaeological site coordinates and dates, retaining only the earliest radiocarbon date per site.

Description

Filter archaeological site coordinates and dates, retaining only the earliest radiocarbon date per site.

Usage

filterDates(sites, c14bp)

Arguments

sites

A SpatialPointsDataFrame object with archaeological sites and associated radiocarbon ages.

c14bp

A string. Name of the field with the radiocarbon ages in C14 BP format.

Value

A SpatialPointsDataFrame object with the earliest C14 date for every site.