You learned things
  
    
      
        
          
    
  
    Chapter 1
- Fit a simple linear regression
- Interpret coefficients
 
 
          
    
  
    Chapter 2
- Make predictions
- Regression to the mean
- Transforming variables
 
 
         
        
          
    
  
    Chapter 3
- Quantifying model fit
- Outlier, leverage, and influence
 
 
          
    
  
    Chapter 4
- Fit a simple logistic regression
- Make predictions
- Get performance from confusion matrix