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TapeR

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Version

Install

install.packages('TapeR')

Monthly Downloads

197

Version

0.5.3

License

GPL (>= 2)

Maintainer

Christian Vonderach

Last Published

August 16th, 2023

Functions in TapeR (0.5.3)

XZ_BSPLINE.f

construct B-Splines design matrices
TapeR_FIT_LME.f

Fits a taper curve model to the specified diameter-height data
y2x_ssp.f

squared diameter using smoothing splines
qD.rout.f

qD.rout.f
resVar

Functions to put different size of uncertainty on given measurements
dN.f

evaluate Normal distribution
yx_isp.f

diameter using interpolating splines
SK_EBLUP_LME.f

Evaluate fitted taper curve
SK.par.lme

Taper model parameters for spruce in Germany based on BWI3 data.
y2x_isp.f

squared diameter using interpolating splines
xy0_root.f

xy0_root.f
yx_ssp.f

diameter using smoothing splines
TransKnots

transform knot vector
SK_VOLab_EBLUP_LME.f

taper volume estimation
TapeR-package

Flexible tree taper curves based on Semiparametric Mixed Models.
Int_CdN_DHx_dHt.f

Int_CdN_DHx_dHt.f
updateKOV

update variance-covariance matrix
Int_E_VOL_AB_HmDm_HT_dHt.f

Int_E_VOL_AB_HmDm_HT_dHt.f
xy0_SK_EBLUP_LME.f

find relative height of given diameter
E_DHx_HmDm_HT_CIdHt.f

Estimate diameter and exact confidence and prediction intervals
BSplines

builds B-Splines Matrix with appropriate knots for taper fitting
EYx_ssp.f

estimate cubic smoothing spline with linear extrapolation
HT.par

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

Estimate height of given diameter
E_VOL_AB_HmDm_HT.f

Estimate volume for stem and sections
CdN_DHxHt.f

percentile for estimated taper curve diameter
Hx_root.f

find root (height) given diameter, measurements and fitted model
E_DHx_HmDm_HT.f

Estimate diameter and approximate confidence and prediction intervals
DxHx.df

Example dataset of 10 trees with 10 diameter and height measurements for each tree.