aboutrsq                About the R-Squared statistics: the Anscombe
                        quartet dataset
aboutrsq2               Sobre el estadístico R2: los datos del cuarteto
                        de Anscombe
airnyc                  Airquality data in New York city.
airnyc2                 Calidad del aire en la ciudad de Nueva York.
annualppCities          Time series of annual precipitations in cities
                        of Chile.
annualppCities2         Serie de tiempo de precipitaciones anuales en
                        Chile.
assigncl                Function to assign classes based upon a
                        variable of interest.
bears                   Age and physical measurement data for wild
                        bears
bears2                  Edad y características biométricas de osos
                        salvajes
bearsdepu               Age and physical measurement data for wild
                        bears (without missing values)
bearsdepu2              Edad y características biométricas de osos
                        salvajes (sin datos faltantes)
beetles                 Population density growth of beetles
beetles2                Crecimiento poblacional de escarabajos
cameratrap              Camera trap data on mammals in Ruaha National
                        Park, southern Tanzania.
cameratrap2             Camaras trampa de mamiferos en el parque
                        nacional Ruaha, en el sur de Tanzania
carAccidents            Driver status after car accidents in Greece.
caribou                 Caribou survival
caribou2                Sobrevivencia de caribú
casen                   Datos encuesta CASEN del 2022
cdf                     Function to compute the cumulative distribution
                        of a variable
chicksw                 Chicken growth data.
chicksw2                Crecimiento de pollos.
co2temp                 CO2 emissions and temperature at country-level.
contrast                Function to compute the needed statistics for a
                        given contrast
corkoak                 Tree-level cork biomass data for Oak trees in
                        Portugal
corkoak2                Datos de biomasa de corcho en árboles de Encino
                        en Portugal
deleteLeft              Deletes the first n-characters of a string
deleteRight             Deletes the last n-characters of a string
descstat                Creates a descriptive statistics table for
                        continuous variables.
education               Stock and Watson CPS Education Earnings
election                Presidential election data of Florida (USA) in
                        2000.
election2               Elección presidencial en el estado de Florida
                        (USA) en el 2000.
endfid2                 Puntaje ENDFID 2021 por carrera
eucaleaf                Leaf measurements for Eucalyptus nitens trees
                        in Tasmania, Australia.
eucaleaf2               Mediciones foliares para árboles de Eucalyptus
                        nitens en Tasmania, Australia.
eucaleafAll             Leaf measurements (all, n=744) for Eucalyptus
                        nitens trees in Tasmania, Australia.
eucaleafAll2            Mediciones foliares (todas, n=744) para árboles
                        de Eucalyptus nitens en Tasmania, Australia.
extractLeft             Extracts the last n-characters of a string
extractRight            Extracts the last n-characters of a string
fdamage                 Foliar damage by Ozone
fdamage2                Daño foliar por Ozono
fertiliza               Fertilization experiment data.
fertiliza2              Experimento de fertilización
ficdiamgr               Diameter growth of trees
ficdiamgr2              Crecimiento diametral de árboles
findColumn.byname       Finds the position of a specific variable.
fishgrowth              Fish growth variables.
fishgrowth2             Crecimiento de peces
forestfire              Forest fire occurrence in central Chile
forestfire2             Ocurrencia de incendios forestales
gasoline                Prices of gasoline and crude oil
gasoline2               Precios de gasolina y petróleo
gdpcap                  Datos GDP-per capita
gmean                   Function to compute the geometric mean of a
                        numeric vector
hgrdfir                 Tree height growth of Douglas-fir sample trees
                        in the Northwest of the United States
hgrdfir2                Crecimiento en altura de una muestra de árboles
                        en los Estados Unidos
histbxp                 Function for building a figure having both an
                        histogram and a boxplot for a single random
                        variable
hmean                   Function to compute the harmonic mean of a
                        numeric vector
idahohd                 Tree height-diameter data from Idaho (USA)
idahohd2                Altura-diámetro de árboles en el estado de
                        Idaho (USA)
imacec2                 Índice Mensual de Actividad Económica (IMACEC)
interp                  Interpolation function
kurto                   Computes the sample kurtosis of a distribution
landcover               Land-cover, environmental and sociodemographic
                        data for the 34 municipalities composing the
                        Greater Santiago area, Santiago, Chile.
landcover2              Cobertura territorial, ambiental y
                        sociodemografica de los 34 municipios que
                        componen el area del Gran Santiago, Santiago,
                        Chile..
largetrees              Large trees in forests near Tolga, in Eastern
                        Norway.
largetrees2             Árboles grandes en bosques cercanos a Tolga, en
                        el Este de Noruega.
leafw2                  Area y peso para hojas de árboles.
lifexpect               Esperanza de vida de paises
llancahue               Tree locations for a sample plot in the
                        Llancahue experimental forest
llancahue2              Ubicación cartesiana de árboles en el bosque de
                        Llancahue
lrt                     Performs a likelihood ratio test between two
                        models being fitted by maximum likelihood.
lrt.glm                 Computes a likelihood ratio test between a
                        reduced model and a full model. Both models
                        must be already fitted using and R function.
maple                   Tree biomass of sugar maple (Acer saccharum)
                        trees.
moda                    Computes the mode
modresults              Creates an object having the main fitting
                        statistics from a regression model.
obspredplot             Observed versus predicted values plot.
papersdocstu            Productividad científica de estudiantes de
                        postgrado
pesohojas               Peso de hojas
plotrend                Function for building a scatterplot with a
                        superposing smoothed line
presenceIce             Presence or absence of sea ice from logbook
                        records of annual cruises
president               Eleccion presidencial del 2021 en Chile.
pressind                Function to compute the PRESS statistics of a
                        regression model .
primarias               Elección primaria para la presidencia de Chile
pspLlancahue            Ubicación cartesiana de árboles en un bosque
                        (solo como referencia para uso del libro).
pspruca                 Tree spatial coordinates in the Rucamanque
                        forest
pspruca2                Ubicación espacial de árboles en el bosque de
                        Rucamanque
ptaeda                  Height growth of Pinus taeda (Loblolly pine)
                        trees
ptaeda2                 Crecimiento en altura de Pinus taeda
pvalt                   Obtain the P-value for a Standard t-distributed
                        random variable
pvalz                   Obtain the P-value for a Standard Gaussian
                        random variable
qqgauss                 Function for producing a QQ plot for a Gaussian
                        probability density function.
rainfallCA              Datos de precipitación en Californa
rankmod                 Function to produce a table ranks the models
                        being analyzed.
raulihg                 Height growth of Nothofagus alpina trees in
                        Chile.
raulihg2                Crecimiento en altura de árboles de Nothofagus
                        alpina.
rendesc2                Rendimiento escolar por estudiante en Chile
                        2024
simce2                  Puntaje SIMCE 2023 en matemática 4to Básico por
                        RBD
simmeind                Computes the simmetry index
singleupp               Convert
skewn                   Computes the skewness of a numeric vector
sludge                  Sludge data are at different cities, with a
                        value of concentration zinc.
sludge2                 Sludge data are at different cities, with a
                        value of concentration zinc.
smoothfit               Function to produce a smooth curve over a
                        scatterplot
snaspe                  On the National System of State Protected Wild
                        Areas (SNASPE) of Chile.
snaspe2                 Sistema nacional de areas protegidas del estado
                        (SNASPE) de Chile
soiltreat               Soil treatment experiment in tree seedlings
soiltreat2              Tratamientos del suelo en el crecimiento de
                        plantulas.
spataustria             Tree locations for several plots of Norway
                        spruce (Picea abies) in Austria
tabtexanova             Creates a LaTeX file having an ANOVA table for
                        a previously fitted linear regression model
tabtexdescstat          Creates a LaTeX file having a descriptive
                        statistics table for continuous variables
timeserplot             Produces a time series plot
treevol                 Diameter, height and volume for Black Cherry
                        Trees
treevol2                Volumen, altura, y diámetro para árboles de
                        Black Cherry
treevolroble            Tree volume of roble (Nothofagus obliqua) in
                        the Rucamanque forest
treevolroble2           Volumen a nivel de árbol para roble (Nothofagus
                        obliqua) especie en el bosque de Rucamanque
upperleft               convert the first n-characters of a string to
                        upper-case letters.
valesta                 Function to compute prediction statistics based
                        on observed values
valestamod              Function to create a table with the prediction
                        statistics by model.
vifx                    Computes the variance inflation factor (VIF)
                        for a multiple linear regression (MLR) model.
xyboxplot               Function for building a scatterplot with
                        superposing boxplots
xyhist                  A scatterplot with marginal histograms
xymultiplot             Figure of a matrix of scatterplots and
                        histograms for several variables.
