datana1.1.4 package

Datasets and Functions to Accompany Analisis De Datos Con R

assigncl

Function to assign classes based upon a variable of interest.

cdf

Function to compute the cumulative distribution of a variable

contrast

Function to compute the needed statistics for a given contrast

datana-package

datana: Datasets and Functions to Accompany Analisis De Datos Con R

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.

extractLeft

Extracts the last n-characters of a string

extractRight

Extracts the last n-characters of a string

findColumn.byname

Finds the position of a specific variable.

gmean

Function to compute the geometric mean of a numeric vector

histbxp

Function for building a figure having both an histogram and a boxplot ...

hmean

Function to compute the harmonic mean of a numeric vector

interp

Interpolation function

kurto

Computes the sample kurtosis of a distribution

lrt.glm

Computes a likelihood ratio test between a reduced model and a full mo...

lrt

Performs a likelihood ratio test between two models being fitted by ma...

moda

Computes the mode

modresults

Creates an object having the main fitting statistics from a regression...

obspredplot

Observed versus predicted values plot.

plotrend

Function for building a scatterplot with a superposing smoothed line

pressind

Function to compute the PRESS statistics of a regression model .

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 fu...

rankmod

Function to produce a table ranks the models being analyzed.

simmeind

Computes the simmetry index

singleupp

Convert

skewn

Computes the skewness of a numeric vector

smoothfit

Function to produce a smooth curve over a scatterplot

tabtexdescstat

Creates a LaTeX file having a descriptive statistics table for continu...

tabtexregre

Creates a LaTeX file having an ANOVA table for a previously fitted lin...

timeserplot

Produces a time series plot

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 reg...

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 variable...

Datasets and functions to accompany the book 'Analisis de datos con el programa estadistico R: una introduccion aplicada' by Salas-Eljatib (2021, ISBN: 9789566086109). The package helps carry out data management, exploratory analyses, and model fitting.

  • Maintainer: Christian Salas-Eljatib
  • License: GPL (>= 3)
  • Last published: 2025-09-23