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Classification Using Decision Trees and Rules
From Machine Learning and R chapter 5
Data analysis using R
This file shows how to use R for data analysis
PCA plotting using PLOTLY
This files demo a nice way to visualize PCA clusters using PLOTLY
Linear Regression
From the book by James M. Curran in this document I show how to perform linear regression and interprete the resulting model
Exploratory Data Analysis
From the book R by Example by Albert and Rizzo, the file shows how to perform exploratory data analysis using R.
Principal Component Analysis
This code shows an example of PCA
Example of choosing among models using Cross Validation
The present example shows the application of the algorithm to reduce variables in a model. The data used is UScrime from the MASS package
Model Selection
This code shows how to choose the best model using an example
Analysis of Variance
One-way anova reference chapter 9 R-in-Action by Kabacoff
Case Study
Se muestra como hacer un analisis estadistico en una data de 46 motores. El analisis detalla los pasos para sacar conclusiones validas en un analisis de una sola variable
El clima en Camberra Australia
Llovera o no llovera manana?
Cluster Analysis
From Robert Kabacoff book this file shows how to use clusters in R
the kNN algorihm
This file shows how to automate breast cancer diagnosis using machine learning a the kNN algorithm with R
From the book Machine Learning with R by Brett Lantz
Chapter 10 Evaluating Model Performance
Model selection (variable) in Multiple Regression
This file contains some guidelines for improving a multiple regression lineal model by adjusting the variables used to build the model
Manipulating factor variables in R
In this file, I show how to manipulate factors in R
Here is a compilation of various files
This example illustrates several techniques using R
From the book "Hand on Programming with R"
A complete tutorial from basic fundamentals to working with environments
LASSO (cont) This is part 3
In this file we examine a large sample with 210 explanatory variables and 20000 records to show how LASSO helps.
LASSO (cont)
This files shows the prostate data using all variables in the experiment to observe the LASSO algorithm working
The LASSO (least absolute shrinkage and selection operator)
From the book by Johannes_Ledolter "Data Mining and Business Analysis"
From the book Machine Learning with R by Brett-Lantz
Chapter 3 adapted by Luis A. George-kNN Model of breast cáncer data
the (tm) package for text mining
From the text book by Brett Lantz Machine Learning with R chapter 4 Bayes naive algorithm and the tm package
Practising linear models
This file contains exercises to test how well you know linear models using R
Exercises of linear models (regression)
This a a short exercise to practice some concepts of linear models using lm()
the linear model in R. An Introduction
Here`s an introduction to linear models using the function lm() in R
From ISLR fourth printing
Basic R
Data manipulation using R
Corrección del grafico presentado en parte 2
Data manipulation using R
parte 2
Data manipulation using R
This example shows how to change name of a variable (column) and using data of life expectancy show some graphics produced using lattice
Manipulacion avanzada de datos
Este ejemplo esta tomado del capitulo 10 del libro escrito por Peter Dalgaar "Introductory Statistics with R" capitulo 10 y versa sobre la manipulación avanzada de datos, trabajando con fechas. Traducido y adaptado por Luis A. George
Basado en ejemplos del libro R-by-Example
Basado en ejemplos del libro R-by_Example, se muestra la adaptación al idioma español del capitulo 7 sobre regresion
Parte 2 del capitulo sobre dataframes the R-Book
En esta segunda parte del capitulo sobre dataframes y como se puede manipular el contenido de la data
Extractos del Libro The R Book de Michael Crawley
Aquí se han traducido y adaptados los ejercicios del capitulo 4 sobre dataframes
Redes Neurales o metodos de caja negra
Se describe como se crean los modelos de redes neurales (ANN) para simular un problema de ingeniería de materiales, específicamente la fortaleza del concreto.
Aprendizaje de maquina (Machine Learning) usando R
Presentamos la creación de modelos de regresión para hacer predicciones (clasificaciones)
Un modelo de arbol mejorado
La aplicación de boosting puede mejorar el modelo
Modelo de Arbol un clasificador sencillo
Se demuestra como el modelo de árbol usando el algoritmo C5.0 y el lenguaje R, puede utilizarse para hacer un modelo de clasificación, rápido y fácil. La data usada es iris
Fundamentos de R
Estos son extractos del libro escrito por Michael J. Crawley "The R Book" traducidos al español. Se incluye scripts del libro actualizados y listos para ser usados por aquellos que necesiten practica en lo básico del lenguaje R
Machine Learning with R
Using R and the K-Means algorithm to perform an unsupervised learning exercise. This application models how to créate clusters to perform market segmentation from data collected in a social network app
Lazy learning using k-NN
A case study taken from Brett-Lantz book