The lectures and exercise classes in STK4900 will take place Monday to Friday over one week in February (13th-17th) and one in March (20th-24th) . There will in these weeks be exercises from 12.45 to 15.30. The exercises will consist of two parts: (i) practical exercises using R on computers ("datalab") and (ii) theoretical exercises using calculator, pen, and paper ("exercises"). The datalab is held at VB, IT-auditorium 3, and the theoretical exercises at NHA, room 107. Further details on the organisation of the exercises will be provided at the course.
Below you find a plan for the exercises. The plan might be updated as the course progresses.
Part 1 February 13-17
Monday February 13:
Practical exercises:
Theoretical exercises:
Here are tables of the standard normal, student t, Fisher F and chi-square distributions.
These may come in handy for todays and later theoretical exerercises as well as for the final exam.
And here is a sketch of the solutions to theoretical Exercises 1-3.
Tuesday February 14:
Practical exercises:
Theoretical exercises:
- Exercise 4 (with sketch of solution NB! In the solution to 4c) both standard deviations and covariance should be multiplied, not divided, by the corresponding constants - but the final four lines and conclusion are in any case correct. )
- Exam STK 4900 spring 2008: Problem 1
Wednesday February 15:
Practical exercises:
Theoretical exercises:
- Exam STK4900 spring 2010: Problem 1. (Suggested solution)
- Exercise 5 (with sketch of solution)
Thursday February 16:
Practical exercises:
Theoretical exercises:
- Exercise 6 (with sketch of solution)
- Exam ST301 spring 1996: problem 2 (in Norwegian) English
Friday February 17:
Practical exercise:
- R-exercise 13 (R-help )
- R-exercise 14 (R-help ). Before you do this exercise, you have to read into R a function that may compute cross-vallidated R2. It is explained here how you should do this.
Theoretical exercises:
- Exam ST301 Spring 1995: Problem 1 (in Norwegian) English
- Exam ST301 spring 2000: Problem 1 a-e (in Norwegian)
- Exam STK4900 spring 2013: Problem 1
Part 2 March 20-24
Monday March 20th:
Practical exercise:
Theoretical exercises:
Tuesday March 21st:
Practical exercise:
Theoretical exercises:
- Exam STK 4900 spring 2010: Problem 2. (Suggested solution)
- Exam STK 9900 spring 2011: Problem 2. (Suggested solution)
After these two days, you should also be able to solve the following problems from recent STK9900 exams (also as STK4900 students): Problem 2 (!) in years 2013, 2014, 2015, 2016. You find solutions under Messages.
Wednesday March 22nd:
Practical exercises:
Theoretical exercises:
- Exam STK 9900 spring 2011: Problem 3 (Solution).
- Exam STK 4900 spring 2009: Problem 2 (Solution).
After this day, you should also be able to solve Problem 3 in 2013, STK9900 (applies also to STK4900 students). You find solutions under Messages.
Thursday March 23rd:
Practical exercise:
Theoretical exercises:
- Exam STK 9900 spring 2010: Problem 3. (Suggested solution)
- Exam STK 4900 spring 2012: Problem 3 (Suggested solution)
After this day, you should also be able to solve Problem 3 in STK9900 (applies also to STK4900 students) for the years 2014 and 2016. You find solutions under Messages.
Friday March 24th:
Practical exercise:
Theoretical exercises:
- Exam STK 9900 spring 2012: Problem 4
Otherwise, use the opportunity today to ask about all previous practical and theoretical exercises you have not fully understood.