dplR (version 1.7.6)

po.to.wc: Convert Pith Offset to Wood Completeness

Description

This function creates a partial wood completeness data structure based on pith offset data.

Usage

po.to.wc(po)

Value

A data.frame containing one variable of wood completeness data:

n.missing.heartwood (integer type). This can be used as input to write.tridas.

Arguments

po

A data.frame containing two variables. Variable one (series) gives the series ID as either characters or factors. Variable two (pith.offset) contains integral values and gives the years from the beginning of the core to the pith (or center) of the tree. The minimum value is 1.

Author

Mikko Korpela

Details

Uses pith.offset - 1 as the number of missing heartwood rings.

See Also

wc.to.po, rcs, write.tridas

Examples

if (FALSE) {
library(utils)
data(gp.po)
all(wc.to.po(po.to.wc(gp.po)) == gp.po)
}