R: Convert Pith Offset to Wood Completeness

po.to.wc {dplR} | R Documentation

## 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)

### Arguments

`po` | A `data.frame` containing two variables. Variable one (`series`) gives the series ID as either `character`s or `factor`s. 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.

### Details

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

### 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`.

### Author(s)

Mikko Korpela

### See Also

`wc.to.po`, `rcs`, `write.tridas`

### Examples

    ## Not run:
    library(utils)
    data(gp.po)
    all(wc.to.po(po.to.wc(gp.po)) == gp.po)

    ## End(Not run)

[Package dplR version 1.7.1 Index]