Functions for Forest Biometrics

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Documentation for package ‘lmfor’ version 1.2

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lmfor-package Functions of Lauri Mehtatalo
circle Plot circles of a specified radius
ddcomp Evaluate the fit of a tree diameter distribution
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.recweib Recovery of Weibull parameters of tree diameter distribution using measured stand characteristics
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'.
ImputeHeights Impute missing tree heights into a forest data using a nonlinear (mixed-effects) model.
linesplot A spaghetti plot of grouped data
lmfor Functions of Lauri Mehtatalo
mywhiskers A whiskers type residual plot
NR Solve simple equations using Newton-Raphson algorithm.
NRnum Solve systems of equations using the Gauss-Newton algorithm
plot.hdmod Diagnostic plot a Height-Diameter model residuals
predvol Individual tree volume functions for Finland
qqplotHD Normal QQ-plot of a fitted H-D model
recweib Recovery of Weibull parameters of tree diameter distribution using measured stand characteristics
scaleDGMean The Weibull scale parameter for the given mean/median diameter and shape parameter.
scaleDGMed The Weibull scale parameter for the given mean/median diameter and shape parameter.
scaleDMean The Weibull scale parameter for the given mean/median diameter and shape parameter.
scaleDMed The Weibull scale parameter for the given mean/median diameter and shape parameter.
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.
updown Solve a simple equation using a step halving algorithm.