R: Predictive Analysis

Appendix A. Exercises and Solutions

Exercises

Here, we provide the exercises for most chapters and recommend that you practice your newly acquired skills after reading each chapter.

Chapter 1 – Setting GNU R for Predictive Modeling

Chapter 1 already contains the exercises and solutions.

Chapter 2 – Visualizing and Manipulating Data Using R

Have a look at the following exercises and try to perform the required tasks.

Let's have a little fun now! For this exercise, imagine a player betting on red for 1,000 consecutive trials. You'll have to plot the variations in money throughout the game. Use the isRed attribute of the data frame Data that we built at the beginning of the chapter. The player here starts with $1,000 and bets 1 in every game. The worst ...