A Package for Biometrics and Modelling


[Up] [Top]

Documentation for package ‘biometrics’ version 1.0.3

Help Pages

assignspp Assign species botanical information to a data frame
asymreg.fx Function to compute the result of the asymptotic regression model, as an allometric functional form.
bankfit Function that fits a list of models on a given dataframe.
bankpred Predicts the variable of interest for each model of the list
barplotgr Function for building a barplot for one or two factors
bertarich.fx A function having the mathematical expression of the Bertalanffy-Richards model.
biging.fx Taper equation by Biging
biomass Contains tree-level biomass data for four species in Canada.
biomass2 Biomasa a nivel de árbol para cuatro especies arbóreas de Canadá
cubica Compute taper volume
curtis.fx Function to computes the result of the Curtis's allometric model.
curtisori.fx Function to computes the result of the original Curtis's allometric model.
cwd Contains coarse woody debris measurement in a unit of line intersect sampling.
cwd2 Contiene mediciones de material leñoso muerto en una unidad de muestreo de linea.
deadlianas Mortality of lianas (vines) in tropical forests
deadlianas2 Datos de mortalidad de lianas en árboles tropicales
densidadcanelo2 Densidad media en distintos tratamientos de raleo en _Drymis winteri_ de Chile.
dg.fx Function to computes the diameter of the tree of average basal area.
domvar Function to compute a dominant stand-level variable based on a sample plot data.
eucaplot Tree-level data from a sample plot established in a _Eucalyptus globulus_ plantation
eucaplot2 Lista de árboles con todas las variables medidas en una parcela de muestreo, establecida en una plantación de _Eucalyptus globulus_.
eucaplotr Tree-list (realistic-) data in a sample plot established in a _Eucalyptus globulus_ plantation in southern Chile.
eucaplotr2 Lista de árboles con variables medidas (más realista) en una parcela de muestreo, establecida en una plantación de Eucalyptus globulus.
gompertz.fx Function to compute the result of the Gompertz allometric model.
gompertzm.fx Function that computes the result of the modified Gompertz's model.
gtree Function to compute basal area of a tree
hawaii Diameter growth increments of a tropical tree species in Hawaii
hawaii2 Incremento corriente anual en diámetro de una especie tropical en Hawaii
hossfeld.fx Function that computes the result of the Hossfeld allometric model.
interpy1 A simple linear interpolation function applicable to two vectors (X and Y), when the first element of Y is missing.
interpy2 A simple linear interpolation function applicable to two vectors (X and Y), when the second element of Y is missing.
inv.fx Function to compute the result of the simple linear inverse model.
kozak.fx Function to computes the stem diameter of a tree according to the Kozak (1988) taper equation.
kozaklast.fx Function to computes the stem diameter of a tree according to the Kozak (2004) taper equation.
kozakln.fx Function to computes the stem diameter of a tree according to the log-transformed Kozak (1988) taper equation.
lang.fx Function to computes the result of the Curtis's allometric model.
largeplot Tree spatial coordinates in a large sample plot in Fennoscandia
logist.fx A function having the mathematical expression of the Logistic model.
logistm.fx A function having the mathematical expression of the Logistic modified model.
meyer.fx A function having the mathematical expression of the Meyer model.
mmenten.fx A function having the mathematical expression of the Michaelis-Menten model.
mmweibull Function to estimates the parameters of the Weibull probability density function using the method of moments
mortaforest Climatic, forest structure and forest mortality variables in California (USA)
mortaforest2 Mortalidad en bosques, y variables climáticas y de estructura forestal en California (USA)
naslund.fx A function having the mathematical expression of the Naslund model.
nele.list Extract the n-th element from a list
ogawa.fx Function that computes the result of the Ogawa allometric model.
pinaster Tree volume for Pinus pinaster in the Baixo-Mino, Galicia, Spain
pinaster2 Volumen individual de árboles de Pinus pinaster en Galicia, España
pinusSpp Tree-level variables of several sample plots of invasive Pinus spp in Chile
pinusSpp2 Variables a nivel de árbol en parcelas de muestreo de Pinus spp en Chile.
plantshawaii Maximum plant size in the Hawaiian archipelago
popvol Population of stand-volume for 400 elements.
popvol2 Población de 400 elementos de la variable volumen de bosque
power.fx Function to computes the result of the power model, as a classical allometric functional form.
prodan.fx A function having the mathematical expression of the Naslund model.
radiatapl Sampling plots data from a Pinus radiata plantation near Capitán Pastene, La Araucanía region, Chile.
radiatapl2 Datos a nivel de árbol de parcelas de muestreo en plantaciones de Pinus radiata
ratkow.fx Function that computes the result of the Ratkowsky allometric model.
schnute.fx Function that computes the result of the Schnute allometric model.
schuma.fx A function having the mathematical expression of the Johnson-Schumacher model.
sibbesen.fx A function having the mathematical expression of the Sibbesen model.
spataustria Tree locations within sample plots in an experimental forest in Austria
spatimepsp Temporal tree locations within a sample plot in the Vienna woods
spplist List of botanical attributes of plant species
stage.fx Function that computes the result of the Stage allometric model.
standtabCoihue Stand table for a _Nothofagus dombeyi_ (coihue) forest
standtabCoihue2 Tabla de rodal para bosque de _Nothofagus dombeyi_ (coihue)
standtabRauli Stand tables for _Nothofagus alpina_ (raulí) forests
standtabRauli2 Tablas de rodal para bosques de _Nothofagus alpina_ (raulí)
standtabRoble Stand table for _Nothofagus obliqua_ (roble) secondary forests
standtabRoble2 Tabla de rodal media para renovales de _Nothofagus obliqua_ (roble)
standvar Function to compute stand-level variables for a given imputed-tree-list.
strand.fx A function having the mathematical expression of the Strand model.
strandg.fx A function having the mathematical expression of the Strand model.
tapereuca2 Datos de ahusamiento de Eucalyptus regnans
taperpoly.fx Carrasco polynomial function
treegrowth Diameter and height growth of Grand-fir sample trees.
treegrowth2 Crecimiento en diámetro y altura de árboles muestra de Grand-fir.
treelistinve Tree-list data from a forest sampling work
treelistinve2 Lista de árboles en un muestreo forestal
treestat Function to compute descriptive statistics at tree-level, segregated by a factor ('factvar') per sample plot.
treevolruca Tree-level volume by species in the Rucamanque forest
treevolruca2 Volumen a nivel de árbol para especies nativas del bosque de Rucamanque
trlhawaii Tree-level information of forest plots across the Hawaiian archipelago.
trlpsptime Long term tree-list data from permanent sample plots
trlremeasu Tree-level remeasurements for a sample plot in a _Pinus radiata_ plantation
trlsmoopsp Smoothed tree list data from permanent sample plots
uestimator Function to compute the _U_-estimator for a sorted random variable, measured in a given sample plot.
volume Compute volume of objects
weib.fx A function having the mathematical expression of the Weibull allometric model.
wykoff.fx A function having the mathematical expression of the Wykoff model.