Regression analysis with R design and develop statistical nodes to identify unique relationships within data at scale
Build effective regression models in R to extract valuable insights from real data About This Book Implement different regression analysis techniques to solve common problems in data science - from data exploration to dealing with missing values From Simple Linear Regression to Logistic Regression -...
Otros Autores: | |
---|---|
Formato: | Libro electrónico |
Idioma: | Inglés |
Publicado: |
Birmingham, England ; Mumbai, [India] :
Packt
2018.
|
Edición: | 1st edition |
Materias: | |
Ver en Biblioteca Universitat Ramon Llull: | https://discovery.url.edu/permalink/34CSUC_URL/1im36ta/alma991009630604106719 |
Tabla de Contenidos:
- Cover
- Title Page
- Copyright and Credits
- Packt Upsell
- Contributors
- Table of Contents
- Preface
- Chapter 1: Getting Started with Regression
- Going back to the origin of regression
- Regression in the real world
- Understanding regression concepts
- Regression versus correlation
- Discovering different types of regression
- The R environment
- Installing R
- Using precompiled binary distribution
- Installing on Windows
- Installing on macOS
- Installing on Linux
- Installation from source code
- RStudio
- R packages for regression
- The R stats package
- The car package
- The MASS package
- The caret package
- The glmnet package
- The sgd package
- The BLR package
- The Lars package
- Summary
- Chapter 2: Basic Concepts - Simple Linear Regression
- Association between variables - covariance and correlation
- Searching linear relationships
- Least squares regression
- Creating a linear regression model
- Statistical significance test
- Exploring model results
- Diagnostic plots
- Modeling a perfect linear association
- Summary
- Chapter 3: More Than Just One Predictor - MLR
- Multiple linear regression concepts
- Building a multiple linear regression model
- Multiple linear regression with categorical predictor
- Categorical variables
- Building a model
- Gradient Descent and linear regression
- Gradient Descent
- Stochastic Gradient Descent
- The sgd package
- Linear regression with SGD
- Polynomial regression
- Summary
- Chapter 4: When the Response Falls into Two Categories - Logistic Regression
- Understanding logistic regression
- The logit model
- Generalized Linear Model
- Simple logistic regression
- Multiple logistic regression
- Customer satisfaction analysis with the multiple logistic regression
- Multiple logistic regression with categorical data.
- Multinomial logistic regression
- Summary
- Chapter 5: Data Preparation Using R Tools
- Data wrangling
- A first look at data
- Change datatype
- Removing empty cells
- Replace incorrect value
- Missing values
- Treatment of NaN values
- Finding outliers in data
- Scale of features
- Min-max normalization
- z score standardization
- Discretization in R
- Data discretization by binning
- Data discretization by histogram analysis
- Dimensionality reduction
- Principal Component Analysis
- Summary
- Chapter 6: Avoiding Overfitting Problems - Achieving Generalization
- Understanding overfitting
- Overfitting detection - cross-validation
- Feature selection
- Stepwise regression
- Regression subset selection
- Regularization
- Ridge regression
- Lasso regression
- ElasticNet regression
- Summary
- Chapter 7: Going Further with Regression Models
- Robust linear regression
- Bayesian linear regression
- Basic concepts of probability
- Bayes' theorem
- Bayesian model using BAS package
- Count data model
- Poisson distributions
- Poisson regression model
- Modeling the number of warp breaks per loom
- Summary
- Chapter 8: Beyond Linearity - When Curving Is Much Better
- Nonlinear least squares
- Multivariate Adaptive Regression Splines
- Generalized Additive Model
- Regression trees
- Support Vector Regression
- Summary
- Chapter 9: Regression Analysis in Practice
- Random forest regression with the Boston dataset
- Exploratory analysis
- Multiple linear model fitting
- Random forest regression model
- Classifying breast cancer using logistic regression
- Exploratory analysis
- Model fitting
- Regression with neural networks
- Exploratory analysis
- Neural network model
- Summary
- Other Books You May Enjoy
- Index.