HT.par {TapeR}

Height tariff parameters for estimating tree heights of unmeasured trees in the BWI3.

Description

Height is only measured on a subset of the trees on a sample plots. This Height tariff is used to estimate the height of the trees with only a dbh measurement.

Usage

data(HT.par)

Format

The format is: List of 4 $ knt.mw: num [1:16] 0 0 0 0 19.6 ... $ coe.mw: num [1:12] 1.3 7.28 15.1 21.75 24.39 ... $ knt.sd: num [1:53] 0 0 0 0 7.52 ... $ coe.sd: num [1:49] 0 0.618 1.376 2.142 2.486 ...

References

Kublin, E., Breidenbach, J., Kaendler, G. (2013) A flexible stem taper and volume prediction method based on mixed-effects B-spline regression, Eur J For Res, 132:983-997.

Examples

data(HT.par)
## maybe str(HT.par) ; plot(HT.par) ...