The exercise classes in STK4900 will take place Monday to Friday from 12:15 to 16:00 over one week in February (Feb 10 - 14) and one week in March (Mar 17 - 21) . The exercises will consist of two parts: (i) computer exercises using R (group 2) and (ii) Pen-and-paper exercises using calculator, pen, and paper (group 1). Further details on the organisation of the exercises will be provided throughout the course.
Below are the exercises for each day. Solutions will be posted as the course progresses.
Exercise 1 (Monday - Feb 10)
Computer exercises:
Pen-and-paper exercises:
Here are tables of some common distributions: standard normal, student t, Fisher F and chi-square. These may come in handy for today's and later pen-and-paper exercises, as well as for the final exam.
Exercise 2 (Tuesday - Feb 11)
Computer exercises:
Pen-and-paper exercises:
- Exercise 4
- Exam STK4900 Spring 2008: Problem 1
- Solutions
Exercise 3 (Wednesday - Feb 12)
Computer exercises:
Pen-and-paper exercises:
- Exam STK4900 Spring 2010: Problem 1
- Exercise 5
- Solutions
Exercise 4 (Thursday - Feb 13)
Computer exercises:
Pen-and-paper exercises:
- Exercise 6
- Exam ST301 Spring 1996: Problems 2(a)-(b) (in English)
- Exam STK4900 Spring 2018: Problems 1(a)-(b)
- Solutions
Exercise 5 (Friday - Feb 14)
Computer exercises:
- R-exercise 13 (R-help)
- R-exercise 14 (R-help). Before you do this exercise, you have to read into R a function for computing cross-validated R2. It is explained here how you should do this.
Pen-and-paper exercises:
- Exam ST4900 Spring 2019: Problem 1
- Exam ST301 Spring 2000: Problems 1(a)-(e) (in English)
- Exam STK4900 Spring 2013: Problem 1
- Solutions
Exercise 6 (Monday - March 17)
Computer exercises:
Pen-and-paper exercises:
- Exercise 7
- Repetition exercises (if time) - Exam STK9900 spring 2017: Problem 1 and 2
- Solution to exercise 7 (solution to exam 2017 will be posted tomorrow)
Exercise 7 (Tuesday - March 18)
Computer exercises:
Pen-and-paper exercises:
- Exam STK 4900 spring 2010: Problem 2
- Exam STK 9900 spring 2011: Problem 2
- Additional exercise (if time) - Exam STK9900 spring 2017: Problem 3
- Solution Exam 2017
Exercise 8 (Wednesday - March 19)
Computer exercises:
Pen-and-paper exercises:
- Exam STK 9900 spring 2011: Problem 3
- Exam STK 4900 spring 2009: Problem 2
- Additional exercise (if time) - Exam STK9900 spring 2017: Problem 4.
- Solution Exam 2011 and Exam 2009
Exercise 9 (Thursday - March 20)
Computer exercises:
Pen-and-paper exercises:
- Exam STK 9900 spring 2010: Problem 3.
- Exam STK 4900 spring 2012: Problem 3.
- Additional exercise (if time) - Exam STK9900 spring 2017: Problem 3
- Solution Exam 2010 and Exam 2012
Exercise 10 (Friday - March 21)
Computer exercises:
Pen-and-paper exercises:
Also, use the opportunity to ask about any previous computer and pen-and-paper exercises.