shells: shells Data

In rice: Radiocarbon Equations

shells Data

Description

A dataset containing the deltaR values and accompanying data from the marine database

Usage

shells

Format

A data frame with 1968 rows and 15 variables.

lon

Longitude of the datapoint

lat

Latitude of the datapoint

no

Map or ID number of the datapoint

taxonN

Taxon number of the datapoint

dR

calculated deltaR of the datapoint

dSTD

uncertainty of the deltaR of the datapoint

collected

Collection year for the datapoint

res

Reservoir effect of the datapoint

res.error

Uncertainty of the reservoir effect of the datapoint

C14

Radiocarbon age of the datapoint

er

Error of the radiocarbon age of the datapoint

lab

Lab code of the datapoint

ref

Reference for the datapoint

taxon

Taxon of the datapoint

feeding

Feeding ecology of the datapoint (if known)

Source

Data downloaded from calib.org/marine

Examples

data(shells)
head(shells)

rice documentation built on June 13, 2025, 5:09 p.m.