Weekly exercises

Exercise 1, for January 26:

• Exercise 2.1, 2.3, 2.4.
• Extra exercises 1-3. These extra exercises are available here.

• Solutions: Exer2_1.R, Exer2_3.R, Exer2_4.R 

    solutions  solutions book

Exercise 2, for February 2.:

•  Exercise 3.1 , 3.3, 3.4 a-c (not the tournament selection)

• Test the code ADMM_Lasso, on the baseball data.  Try different values of tolerance  and penalty parameter and to check the number of iterations required for convergence. 

• exer3_1.R, exer3_3.R, exer3_4.R (not the tournament selection)

Exercise 3, for February 9:

• Exercise 4.2
• Extra exercises 4, 5, 6
  • Note: In exercise 4, by communicate we mean that it is possible to move from any state to any other states in a finite number of steps by allowing one-step moves within the neighbourhoods.

• Solutions Book, exercise4_2.R
• solutions, genetic_linkage.R

Exercise 4, for February 16:

• Extra exercises 7
• Exam in STK4051 spring 2021: Exercise 2
• Exercises 4.3 a,b, 3.8, trivariatenormal.dat, trivariatenormal.txt, wine.dat, wine.txt
• Note: Exercise 4.3 is a challenge, look for help in matrix cook book, and use results from exponential family

• exer3_8.r, exer4_3.R ,Solutions book
• Solution 2021

Exercise 5, for February 23:

• Extra exercises  8 and 9.

• Ex 8
• Ex 9

Exercise 6, for March 9.:

• Extra exercises 12, 13,14,15,16

• Extra_12.RExtra_13.R, Extra_15.R, Extra_16.R
• Solutions to the extra exercises

Exercise 7, for Mars 16:

• Extra exercises 20, 21, 22, 23, 24
• Exercise 6.3

• Extra_20.R, solution to the extra exercise Extra 21.R, Extra 22.R, solutions
• Exercise_6_3.R

Exercise 8, for Mars 23:

• Extra exercises 26, 27, 29, 30
• Exercise 6.4

• Extra_26.R, Extra_27.R, Extra_29.R, Extra_30.R, solutions.
• Exer6_4.R

Exercise 9, for Mars 30:

• Extra exercises 32, 33, 35, 36

• Extra_32.R, Extra_33.R, Extra_35.R, Extra_36.R

Exercise 10  April 20  [Double dose]

• Extra exercises 19, 38, 39,40, 41,42
• Book  7.6

• Extra_19.R
• Extra_38.R
• Solution, 39, 40, 41, 42
• Code_7_6,  Computation_7_6,  Exercise_7_6.R,  solution point (a)

Exercise 11 for April 27:

• Exercises 7.7, 7.8 Data for exercise 7.8

• solution to exercise 7.7  Exercise7_8_a.R, Exercise7_8_b.R

Exercise 12 for May 4:

• Trial exam 2019, 5,6,7 & 8

• solutions

Exercises for May 11.:

• Focus on the compulsory exercise part 1 & part 2. I will go trough some computations from an earlier exam in class
• Exam STK4051 2017: Exercise 2, solutions

Exercises for May 24:

• Solve the problem 7.8 using McMC in STAN

• Exercise_7_8_stan.R, Exercise_7_8_stan.stan.