Code for Chapter 1 (Basic R Programming):

• chap_1_code_examples.R (practice with some of the R code presented in the book)
  
• ex_1_7.R (bootstrap examples)
  
• ex_1_8.R (the bootstrap with linear models)
  
• ex_1_10.R (using the logical operators)
  
• ex_1_12.R (creating a vector)
  
• ex_1_15.R (experiments with match and which)
  
• ex_1_17.R (comparing execution times)
  
• ex_1_19.R (powers of a matrix)
  
• ex_1_21.R (solve this problem)
  
• ex_1_22_b.R (the R code for this problem)
  
• ex_1_23.R (the R code for this problem)