Flexible Tree Taper Curves Based on Semiparametric Mixed Models


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Documentation for package ‘TapeR’ version 0.5.3

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TapeR-package Flexible tree taper curves based on Semiparametric Mixed Models.
BSplines builds B-Splines Matrix with appropriate knots for taper fitting
CdN_DHxHt.f percentile for estimated taper curve diameter
dN.f evaluate Normal distribution
DxHx.df Example dataset of 10 trees with 10 diameter and height measurements for each tree.
EYx_ssp.f estimate cubic smoothing spline with linear extrapolation
E_DHx_HmDm_HT.f Estimate diameter and approximate confidence and prediction intervals
E_DHx_HmDm_HT_CIdHt.f Estimate diameter and exact confidence and prediction intervals
E_HDx_HmDm_HT.f Estimate height of given diameter
E_VOL_AB_HmDm_HT.f Estimate volume for stem and sections
HT.par Height tariff parameters for estimating tree heights of unmeasured trees in the BWI3.
Hx_root.f find root (height) given diameter, measurements and fitted model
Int_CdN_DHx_dHt.f Int_CdN_DHx_dHt.f
Int_E_VOL_AB_HmDm_HT_dHt.f Int_E_VOL_AB_HmDm_HT_dHt.f
qD.rout.f qD.rout.f
resVar Functions to put different size of uncertainty on given measurements
SK.par.lme Taper model parameters for spruce in Germany based on BWI3 data.
SK_EBLUP_LME.f Evaluate fitted taper curve
SK_VOLab_EBLUP_LME.f taper volume estimation
TapeR Flexible tree taper curves based on Semiparametric Mixed Models.
TapeR_FIT_LME.f Fits a taper curve model to the specified diameter-height data
TransKnots transform knot vector
updateKOV update variance-covariance matrix
xy0_root.f xy0_root.f
xy0_SK_EBLUP_LME.f find relative height of given diameter
XZ_BSPLINE.f construct B-Splines design matrices
y2x_isp.f squared diameter using interpolating splines
y2x_ssp.f squared diameter using smoothing splines
yx_isp.f diameter using interpolating splines
yx_ssp.f diameter using smoothing splines