STK4900 - Spring 2014

Exercises in STK4900 - Spring 2014

The lectures and exercise classes in STK4900 will take place Monday to Friday in weeks 8 and 14 (February 17-21 and March 31 - April 4). In these weeks there will be exercises from 13.15 to 16.00. 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"). Information on rooms are given here . Further details on the organisation of the exercises will be provided at the course.

Below is given a plan for the exercises. The plan will be updated as the course progresses.

Part 1 (week 8)

Monday February 17:

Practical exercises:

Theoretical exercises:

Exercise 1-3

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 18:

Practical exercises:

Theoretical exercises:

Exercise 4 (with sketch of solution)
Exam STK 4900 spring 2008: Problem 1

Wednesday19

Practical exercises:

Theoretical exercises:

Exam STK4900 spring 2010: Problem 1. (Suggested solution)
Exercise 5 (with sketch of solution)

Thursday 20 February:

Practical exercises:

R-exercise 11
R-exercise 12 (R-help )

Theoretical exercises:

Exercise 6 (with sketch of solution)
Exam ST301 spring 1996: problem 2 (in Norwegian)

Friday 21 February:

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: