As we were saying, backward stepwise selection starts from a model encompassing all the available explanatory variables. Let me sketch out the whole algorithm for you:
It is clear now, isn't it? No? OK, let's take a closer look at the whole story.
- Preface
- Why to Choose R for Your Data Mining and Where to Start
- A First Primer on Data Mining Analysing Your Bank Account Data
- The Data Mining Process - CRISP-DM Methodology
- Keeping the House Clean – The Data Mining Architecture
- How to Address a Data Mining Problem – Data Cleaning and Validation
- Looking into Your Data Eyes – Exploratory Data Analysis
- Our First Guess – a Linear Regression
- A Gentle Introduction to Model Performance Evaluation
- Don't Give up – Power up Your Regression Including Multiple Variables
- A Different Outlook to Problems with Classification Models
- What is classification and why do we need it?
- Logistic regression
- Support vector machines
- References
- Summary
- The Final Clash – Random Forests and Ensemble Learning
- Random forest
- Ensemble learning
- Applying estimated models on new data
- A more structured approach to predictive analytics
- Applying the majority vote ensemble technique on predicted data
- Further references
- Summary
- Looking for the Culprit – Text Data Mining with R
- Sharing Your Stories with Your Stakeholders through R Markdown
- Principles of a good data mining report
- Set up an rmarkdown report
- Develop an R markdown report in RStudio
- Rendering and sharing an R markdown report
- Further references
- Summary
- Epilogue
- Dealing with Dates, Relative Paths and Functions
Backward stepwise regression
-
No Comment
..................Content has been hidden....................
You can't read the all page of ebook, please click here login for view all page.