Functions for Forest Biometrics

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Documentation for package ‘lmfor’ version 1.5

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A B C D F G H I L M N O P Q R S T U V

lmfor-package Functions of Lauri Mehtatalo

-- A --

afterthin Increment core data of Scots pine trees
alsTree Individual tree characteristics and ALS data
area_esh Estimate stand density using a Horvitz-Thompson-like estimator

-- B --

BrkRes Breaking resistance (=bending strength) of birch wood samples

-- C --

cart_to_polar Estimate forest characteristics of interest in circular plot sampling using a Horvitz-Thompson-like estimator
circle Plot circles of a specified radius

-- D --

ddcomp Evaluate the fit of a tree diameter distribution
detectability_cps Estimate forest characteristics of interest in circular plot sampling using a Horvitz-Thompson-like estimator
dll The Four-parameter Logit-logistic Distribution
dPercbas The Percentile-based Distribution

-- F --

fithd Fit a Height-Diameter model to forest tree data using functions of package 'nlme'.
foto CO2 exchange of transplanted Sphagnum fuscum moss in a chronosequence of mires.
func.recweib1 Recovery of Weibull parameters of tree diameter distribution using measured stand characteristics
func.recweib2 Recovery of Weibull parameters of tree diameter distribution using measured stand characteristics

-- G --

gg_wind Estimate stand density using a Horvitz-Thompson-like estimator

-- H --

HDcurtis Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
HDgomperz Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
HDhossfeldIV Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
HDkorf Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
HDlogistic Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
HDmeyer Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
HDmichailoff Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
HDmicment Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
HDmicment2 Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
HDmodels Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
HDnaslund Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
HDnaslund2 Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
HDnaslund3 Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
HDnaslund4 Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
HDpower Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
HDprodan Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
HDratkowsky Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
HDrichards Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
HDsibbesen Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
HDweibull Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
HDwykoff Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
HTest Estimate stand density using a Horvitz-Thompson-like estimator
HTest_cps Estimate forest characteristics of interest in circular plot sampling using a Horvitz-Thompson-like estimator

-- I --

ImputeHeights Impute missing tree heights into a forest data using a nonlinear (mixed-effects) model.
interpolate.D Properties of sample quantiles from a tree population described by the percentile-based diameter distribution.
ips Wood-decaying fungi carried by bark beetle individuals and their mites.

-- L --

linesplot A spaghetti plot of grouped data
lmfor Functions of Lauri Mehtatalo

-- M --

mywhiskers A whiskers type residual plot

-- N --

NR Solve a Nonlinear Equation Using Newton-Raphson algorithm.
NRnum Solve a Systems of Nonlinear Equations Using the Newton's Method

-- O --

ordering_cps Estimate forest characteristics of interest in circular plot sampling using a Horvitz-Thompson-like estimator

-- P --

patti Increment core data of Scots pine trees
plants Sapling counts from sample plots of sapling stands in Finland.
plants2 Sapling counts from sample plots of sapling stands in Finland.
pll The Four-parameter Logit-logistic Distribution
plot.hdmod Diagnostic plot a Height-Diameter model residuals
polar_to_cart Estimate forest characteristics of interest in circular plot sampling using a Horvitz-Thompson-like estimator
pPercbas The Percentile-based Distribution
predvol Individual tree volume functions for Finland

-- Q --

qll The Four-parameter Logit-logistic Distribution
qPercbas The Percentile-based Distribution
qqplotHD Normal QQ-plot of a fitted H-D model
qtree.exy Properties of sample quantiles from a tree population described by the percentile-based diameter distribution.
qtree.jointdens Properties of sample quantiles from a tree population described by the percentile-based diameter distribution.
qtree.moments Properties of sample quantiles from a tree population described by the percentile-based diameter distribution.
qtree.varcov Properties of sample quantiles from a tree population described by the percentile-based diameter distribution.

-- R --

recweib Recovery of Weibull parameters of tree diameter distribution using measured stand characteristics
rll The Four-parameter Logit-logistic Distribution
rPercbas The Percentile-based Distribution

-- S --

scaleDGMean1 The Weibull scale parameter for the given mean/median diameter and shape parameter.
scaleDGMean2 The Weibull scale parameter for the given mean/median diameter and shape parameter.
scaleDGMed1 The Weibull scale parameter for the given mean/median diameter and shape parameter.
scaleDGMed2 The Weibull scale parameter for the given mean/median diameter and shape parameter.
scaleDMean1 The Weibull scale parameter for the given mean/median diameter and shape parameter.
scaleDMean2 The Weibull scale parameter for the given mean/median diameter and shape parameter.
scaleDMed1 The Weibull scale parameter for the given mean/median diameter and shape parameter.
scaleDMed2 The Weibull scale parameter for the given mean/median diameter and shape parameter.
shades Estimate forest characteristics of interest in circular plot sampling using a Horvitz-Thompson-like estimator
spati Raw sample plot data of Scots pine in Ilomantsi, Finland.
spati2 Heights and diameters of Scots pine trees in Ilomantsi, Finland.
startHDcurtis Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
startHDgomperz Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
startHDhossfeldIV Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
startHDkorf Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
startHDlogistic Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
startHDmeyer Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
startHDmichailoff Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
startHDmicment Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
startHDmicment2 Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
startHDnaslund Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
startHDnaslund2 Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
startHDnaslund3 Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
startHDnaslund4 Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
startHDodels Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
startHDpower Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
startHDprodan Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
startHDratkowsky Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
startHDrichards Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
startHDsibbesen Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
startHDweibull Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
startHDwykoff Available 2- and 3- parameter H-D model functions to be used by function 'fithd'.
stumplift Productivity of stump lifting machines.

-- T --

thefdata Effect of thinning on individual tree growth for 62 trees.
thinning Effect of thinning on individual tree growth
triangle_coords Estimate forest characteristics of interest in circular plot sampling using a Horvitz-Thompson-like estimator

-- U --

updown Solve a simple equation using a step halving algorithm.

-- V --

visibility_thinning_cps Estimate forest characteristics of interest in circular plot sampling using a Horvitz-Thompson-like estimator