# Exercises for STK 4080 autumn 2014

Below are given exercises for the coming week(s) and an overview of exercises that have been given to earlier weeks.

### Exercises to coming week(s)

The theaching is now concluded, so there will be no more exercises in the course.

### Exercises to earlier weeks

*Week 48:*

Handwritten solutions are given here for the exam from 2008 and 2012. Additional material for the exam from 2012 is given here.

*Week 47:* Practical exercise 12.

*Week 46:* Practical exercise 10 and practical exercise 11. R-code is given under Computing.

*Week 45:* There were no teaching in week 45.

*Week 44:* Exercises 5.1 and 5.4. Note the corrections to exercise 5.1 given at the list of corrections . Solutions to exercises 5.1 and 5.4 are given here.

*Week 43:* Exercises 4.3, 4.4, and 4.5. Practical exercise 9. Solutions to exercises 4.3, 4.4 and 4.5 are given here. R-code for the practical exercise 9 is given under Computing.

*Week 42:* Practical exercise 8. R-code for the practical exercise 8 is given under Computing. In addition the students should work on the trial project . The students should make an extra effort to do the trial project, and those who are interested may hand it in for correction. The deadline is Friday 24 October. Comments on the solution of the trial project will be given in week 44.

*Week 41:* Exercises 4.1 and 4.2. Practical exercise 7. Note the correction to exercise 4.1 given at the list of corrections. Solutions to exercises 4.1 and 4.2 are given here. R-code for the practical exercise 7 is given under Computing.

*Week 40:* Exercises 3.9, 3.10, and 3.12. Practical exercise 5 and practical exercise 6. Solution to exercise 3.10 is given here. R-code for exercise 3.9 and the practical exercises are given under Computing.

Exercise 3.9 should be done using R. In practical exercise 3 it is described how you may read the data for exercise 3.9 into R.

Exercise 3.12 gives a nice illustration on the use of a number of the theoretical results on counting processes and martingales. The students should make an extra effort to do this exercise, and those who are interested may hand it in for correction (deadline: Monday 6 October). A solution to the exercise will be given in week 41. Solution to exercise 3.12 is given here.

*Week 39:* Exercises 3.5 and 3.8. Practical exercise 3 and practical execise 4. Solutions to exercises 3.3 and 3.6 are given here. R-code for the practical exercises are given under Computing.

*Week 38:* Exercises 3.3 and 3.6. Practical exercise 1 and practical execise 2. Solutions to exercises 3.3 and 3.6 are given here. R-code for the practical exercises are given under Computing.

*Week 37:* Exercises 1.9, 1.10, 2.9, 2.10, 2.11, and 2.12. Before you do exercise 2.10 you should read the first half of page 50 in the ABG-book. Solutions.

*Week 36:* Exercises 1.6, 1.7, 1.8, 2.1, 2.2, 2.4, 2.6, and 2.7. Solutions.

*Week 35:* Exercises 1.1, 1.2, 1.3, 1.4, and 1.5. Solutions.