Notices

  • COMP9418 Supp Exam

    Posted by Gustavo Batista Thursday 23 December 2021, 11:13:38 AM.

    Dear students,

    The School informed me that the supp exam is confirmed for 12th January from 9 am to 9 pm (Sydney time). The supp exam will have the same format as the exam.

    Only students that were granted a supp exam from the School (potential graduands) or special considerations are allowed to participate.

    Regards,

    Gustavo.

  • Exam marks and solution are available

    Posted by Gustavo Batista Monday 13 December 2021, 02:36:09 PM.

    Dear COMP9418 students,

    We have released the exam marks, and they should appear in give in the next 24 hours.

    Here are some statistics about the exam marks, starting with a histogram.

    15.40 |2  |
    23.80 |2  |
    32.20 |10 | ***
    40.60 |15 | ****
    49.00 |12 | ***
    57.40 |15 | ****
    65.80 |20 | ******
    74.20 |8  | **
    82.60 |4  | *
    91.00 |4  | *
    ----- |-- | -------
    

    The maximum exam mark is 91, and we decided to normalise all exam marks, resulting in the following histogram.

     16.93 |2  |
     26.16 |2  |
     35.39 |10 | ***
     44.62 |15 | ****
     53.85 |11 | ***
     63.08 |16 | *****
     72.31 |19 | ******
     81.54 |8  | **
     90.77 |5  | *
    100.00 |4  | *
    ------ |-- | -------
    

    We computed the course marks, which resulted in the following histogram.

    16.47 |1  |
    25.24 |2  |
    34.02 |8  | **
    42.79 |6  | **
    51.56 |3  | *
    60.33 |15 | *****
    69.11 |14 | ****
    77.88 |21 | *******
    86.65 |11 | ***
    95.42 |7  | **
    ----- |-- | -------
    

    We also released the solution file for the exam. It is available on WebCMS and includes the test cases used for Q8 and Q9. Look at the exam solution carefully before reaching us.

    Thank you very much for being a student of COMP9418. I (Gustavo) would like to thank the tutors (Payal and Peng) and course admin (Jeremy) for their assistance during the course.

    Happy holidays!

    Gustavo (on behalf of the COMP9418 team)

  • COMP9418 Exam: 50 mins remaining

    Posted by Gustavo Batista Tuesday 07 December 2021, 08:13:09 PM.

    Hi all,

    We are 50 minutes from the end of the exam period.

    If possible, avoid submitting your work at the last minute.

    Regards,

    Gustavo.

  • Bug in GaussianFactor.py in exam files

    Posted by Jeremy Gillen Tuesday 07 December 2021, 04:43:38 PM.

    Hi all,

    There was a bug in the GaussianFactor evidence method provided for the exam, we have uploaded a fixed version of the file.

    We will test using the fixed version of the method, and if you have submitted your own version of the file we will test with both and use whichever works better.

  • COMP9418 Exam

    Posted by Gustavo Batista Tuesday 07 December 2021, 11:01:24 AM.

    Dear students,

    I hope you are well. Some comments after two hours of exam:

    1. The exam ends at 9 pm Sydney time (AEDT). I incorrectly wrote 9 pm (AEST) in the exam file.

    2. dsep(A, B, C) means A is d-separated of C given B. Same applies for sep(A, B, C).

    3. Q5 is a modelling problem. You will need to make some reasonable assumptions given the problem description.

    Regards,

    Gustavo.

  • Assignment 2 marks!

    Posted by Jeremy Gillen Saturday 04 December 2021, 01:28:15 PM.

    Hi all,

    We just finished marking Assignment 2, I just uploaded the marks. Note that a detailed mark breakdown and comments can be accessed on the "collect submission" tab. I will upload the marking guide used to mark the reports onto the Assignment 2 page.

    Let us know if anyone didn't receive a mark or if there were any mistakes.

    Hope you're all doing okay this exam period,

    Jeremy (on behalf of the 9418 team)

  • MyExperience survey closes tomorrow

    Posted by Gustavo Batista Wednesday 24 November 2021, 10:31:19 AM.

    Dear students,

    This is the last call! :)

    MyExperience survey closes tomorrow at midnight Sydney time.

    We appreciate your feedback.

    Regards,

    Gustavo (on behalf of the COMP9418 team).

  • Leaderboard Results

    Posted by Jeremy Gillen Saturday 20 November 2021, 02:30:27 AM.

    zID | Cost | Time (s)
    5244712 54416 160
    5241868 55098 219
    5254857 57845 286
    5135029 57970 601
    3330071 58307 44
    3414846 58672 42
    5218555 58865 282
    5341535 59275 357
    5108047 59383 49
    5111386 59761 101
    5273693 61496 182
    5248613 62649 453
    5298967 62707 37
    5132986 63548 39
    3405270 64609 279
    5141959 64725 39
    5280680 64915 36
    5339443 66156 188
    5124018 66442 40
    5272518 66960 95
    5155298 67089 131
    5116060 68424 241
    5258926 69841 196
    5310876 71821 170
    5208092 71999 185
    5210693 72740 452
    3461086 73964 39
    5192058 74049 42
    5041686 74191 254
    5261241 74391 133
    5160097 75373 48
    5135239 77589 543
    5163159 78786 40
    5301541 78797 77
    5324194 79487 37
    5324608 79983 39
    5211173 85116 39
    5273322 88980 90
    5183944 121613 95



    5271854 FileNotFoundError: [Errno 2] No such file or directory: 'prev_state.json'
    3416476 FileNotFoundError: [Errno 2] No such file or directory: 'model.pkl'
    5222864 FileNotFoundError: [Errno 2] No such file or directory: 'E:/Onedrive/Desktop/ass2test'
    5235534 FileNotFoundError: [Errno 2] File b'_data.csv' does not exist: b'_data.csv'
    5326602 ModuleNotFoundError: No module named 'DiscreteFactors'
    5243912 Timeout: Test took >1800 seconds

  • Leaderboard tomorrow

    Posted by Jeremy Gillen Thursday 18 November 2021, 07:15:19 PM.

    Hi all,

    Just want to remind you that if you submit an early version of your assignment code tomorrow before 6pm we will run another leaderboard so you can test your model. The results will be released on Saturday morning.

    Good luck!

    P.S.

    The quiz 8 deadline has been delayed by 24 hours so that you don't have to worry about the quiz and assignment submission at the same time. Assignment 2 is Sunday 6pm as always, Quiz 8 is now Monday 6pm.

  • Leaderboard results

    Posted by Jeremy Gillen Monday 15 November 2021, 05:46:16 PM.

    Hi all,

    I will run another leaderboard on Friday at 6pm, and announce the results on Saturday morning.

    Here's the results from the leaderboard this morning. The cost is averaged over 10 runs on different days of data. The time indicates the total number of seconds it took to run the test. New data will be generated and used when we are marking.

    Submission-zID | Score | Time (s)

    z5244712/ 55243. 161
    z5222864/ 56145. 41
    z5254857/ 57829. 305
    z5218555/ 58793. 287
    z3330071/ 61269. 47
    z5271854/ 61868. 522
    z5272518/ 65746. 96
    z5339443/ 66119. 196
    z5183944/ 68106. 108
    z5160097/ 75483. 47
    z5210693/ 76996. 344
    z5261241/ 77857. 42
    z5163159/ 79261. 40
    z5298967/ 80009. 39
    z5211173/ 85116. 39
    z5324194/ 88670. 406
    z5108047/ 90805. 53
    z3405270/ 104780. 704
    z5301541/ 107911. 804
    z5341535/ 117061. 609
    z5135239/ 119701. 65

    Errors:

    z3461086/ ModuleNotFoundError: No module named 'BayesNet'
    z5273322/ ValueError: unsupported pickle protocol: 5
    z5326602/ ModuleNotFoundError: No module named 'DiscreteFactors'
    z5208092/ ModuleNotFoundError: No module named 'DiscreteFactors'
    z5258926/ TypeError: 'type' object is not subscriptable

    You can contact me for a full traceback, but make sure you try running it on cse machines first.

    - Jeremy

  • Welcome to Week 10

    Posted by Gustavo Batista Monday 15 November 2021, 01:51:38 PM.

    Dear students,

    Welcome to Week 10.

    In this final week, you will find lectures about learning structure and parameters in graphical models. The tutorials are about belief propagation and sampling.

    Reminders:

    1. Assignment 2 is due this Sunday at 6 pm.
    2. We moved Quiz 8 deadline to Monday at 6 pm. So, you can answer the quiz after submitting the assignment.
    3. myExperience closes in 10 days. So far, only five students have responded to the survey :(. You feedback is important to us.

    Regards,

    Gustavo (on behalf of the COMP9418 team).

  • Assignment 2 leaderboard submissions due Monday 9am

    Posted by Jeremy Gillen Thursday 11 November 2021, 03:15:22 PM.

    Hi everyone!

    As noted in the Assignment 2 specification, you have a chance to test your submission against some validation data. To participate, simply submit your model before Monday 15th 9am, and I will run the testing system with newly generated data. I will post the scores achieved and time taken by each submission on WebCMS on Monday afternoon. Please only make one submission per team.

    Even if you haven't finished your final model, it's worth submitting anything that works just to confirm you understand the testing conditions and get some idea of whether your model has overfitted to the training data.

  • Welcome to Week 9

    Posted by Gustavo Batista Monday 08 November 2021, 09:30:04 AM.

    Dear students,

    Welcome to Week 9.

    You can find the course material for this week on WebCMS. This week topic is approximate inference, and we cover Belief Propagation and Sampling. The tutorials will cover Gaussian Models, including Kalman Filters.

    We have released Exam 2020 as a sample exam. You can find the questions and answers on WebCMS (under Course Work/Exam).

    Also, myExperience survey is open. Please, take a moment to answer the survey form before 25/11. The feedback from previous students helped us to improve COMP9418 significantly. Your feedback is greatly appreciated.

    Finally, do not forget to submit your answers for Quiz 7 before Sunday 6 pm.

    Regards,

    Gustavo (on behalf of the COMP9418 team).

  • Minor update to assignment spec

    Posted by Jeremy Gillen Saturday 06 November 2021, 04:31:32 PM.

    The assignment 2 specification forgot to specify that the core graphical model can't just be the sklearn implementations of Naive Bayes or HMM. It has been updated.

  • Assignment 1 marks released

    Posted by Jeremy Gillen Friday 05 November 2021, 04:30:22 PM.

    Hi everyone!

    I hope everyone is doing well. Assignment 1 marks have been released, and the assignment page has been updated to show the marking guide. You can access a breakdown of the marks on the "collect submission" page. Let me know if any of the marks aren't showing up there.

    If you need to clarify the reasoning for your marks, you may contact the the tutor that marked your assignment. Please check the marking guide first.

    Jeremy (on behalf of the 9418 team)

  • COMP9418 Exam

    Posted by Gustavo Batista Thursday 04 November 2021, 02:54:24 PM.

    Dear students,

    We are approaching the end of the term. We have recently received the information that the COMP9418 exam will run Tuesday, 7/12/2021 .

    The exam will last for 12 hours, starting 7/12/2021 at 9:00 am AEST and finishing at 9:00 pm AEST. We will answer questions during the entire exam period. During this time, any issues should be posted in the WebCMS forum (general matters) or sent by email to cs9418@cse.unsw.edu.au (sensitive ones).

    The exam will be available in WebCMS. It will be a Jupyter notebook. You must write all answers in the notebook and submit them by give (command line or WebCMS) before the deadline.

    The exam will have three parts:

    1. Multiple choice questions (20%).
    2. Questions that require a textual answer (50%).
    3. Programming questions in Python (30%).

    The exam will require less than 3 hours. Therefore, you must reserve at least 3 hours to work on the exam on that day. We will not require you to submit the answers in 3 hours. The only requirement is to submit your exam before the deadline (7/12/2021 at 21:00 AEST). No late submissions will be accepted. If you do not submit your exam on time, we will consider that you did not take part in the exam. You will need to apply for a supplementary exam.

    Some students may have another exam allocated on the same day (morning or afternoon). In this case, you should reserve your free period for the COMP9418 exam.

    To solve the exam programming questions, you will need a computer with the same libraries used in tutorials. You can use your computer, Google Colab or the UNSW CSE VLAB computers using software such as TigerVNC. The exam will be an open book exam. Therefore, you are permitted to access papers and books and the course materials, including slides and solved tutorials. You cannot communicate (email, phone, message, talk, etc.) except with the COMP9418 staff via email or forum. Deliberate violation of exam conditions will be referred to Student Integrity as serious misconduct.

    We will make a sample exam available to you with answers next week (Week 9).

  • Assignment 2 released

    Posted by Jeremy Gillen Thursday 28 October 2021, 11:56:14 AM.

    Assignment 2 has been released. It is due on Sunday 21st of November.

    Let us know via the forum if you have any doubts about the specification.

    Good luck!

  • Welcome to Week 7

    Posted by Gustavo Batista Monday 25 October 2021, 01:46:02 PM.

    Dear students,

    Welcome to Week 7.

    You can find the course material for this week on WebCMS.

    We will release the second assignment description later this week.

    Finally, do not forget to submit your answers for Quiz 5 before Sunday 6 pm.

    Regards,

    Gustavo (on behalf of the COMP9418 team).

  • Welcome to Week 6

    Posted by Gustavo Batista Monday 18 October 2021, 12:58:44 PM.

    Dear students,

    Welcome to Week 6. This week is flexibility week, and we do not have any new content, lectures, tutorials, quizzes or consultation hours. You can use this time to catch up with the course content.

    Please, take your time to fill in the 2021 Student Experience Survey (SES). You should have received a link via email. Otherwise, you will find a link to the survey on Moodle.

    Regards,

    Gustavo (on behalf of the COMP9418 team).

  • Welcome to Week 5

    Posted by Gustavo Batista Monday 11 October 2021, 02:59:14 PM, last modified Monday 18 October 2021, 12:59:04 PM.

    Dear students,

    Welcome to Week 5. This week we will cover undirected graphical models and MAP queries.

    Remember that the first assignment is due this Sunday at 6 pm, together with the fourth quiz.

    Regards,

    Gustavo (on behalf of the COMP9418 team).

  • Welcome to Week 4

    Posted by Gustavo Batista Monday 04 October 2021, 08:13:05 AM.

    Dear students,

    Today is a state holiday in NSW. We will not have a consultation.

    You will find on WebCMS the course content for this week. Do not forget to submit your Week 4 quiz answers (due Sunday at 6 pm).

    Regards,

    Gustavo (on behalf of the COMP9418 team).

  • Welcome to Week 3

    Posted by Gustavo Batista Tuesday 28 September 2021, 12:16:18 PM.

    Dear students,

    Welcome to Week 3. This week you will find on WebCMS:

    • Lecture videos (also available on Echo360)
    • Slides and annotated slides
    • Week 3 Tutorial
    • Week 2 Tutorial answers
    • Quiz 2
    • Quiz 1 answers
    • Assignment 1

    Assignment 1 is available on WebCMS, and it is due 17th of October (Sunday) at 6:00 pm. You can work on this assignment individually or in a group of two students.

    Regards,

    Gustavo (on behalf of the COMP9418 team).

  • Assignment 1 released

    Posted by Jeremy Gillen Monday 27 September 2021, 10:30:16 PM.

    Hi everyone!

    Assignment 1 has been released. Good Luck!

    Regards,

    Jeremy (on behalf of 9418 team)

    PS. Quiz 1 results have been released, and Quiz 2 is out now.

  • Reminder, Quiz 1 is due today at 6 pm Sydney time

    Posted by Gustavo Batista Sunday 26 September 2021, 10:04:35 AM.

    Dear students,

    This is a reminder that Quiz 1 is due in approximately 8 hours. There is no late submission for quizzes.

    Regards,

    Gustavo (on behalf of the COMP9418 team).

  • Welcome to Week 2

    Posted by Gustavo Batista Monday 20 September 2021, 11:55:31 AM.

    Dear students,

    Welcome to Week 2. We have finished uploading the course material for this week. You will find on WebCMS:

    • Lecture videos (also available on Echo360)
    • Slides
    • Annotated slides
    • Week 2 Tutorial
    • Week 1 Tutorial answers
    • Quiz

    Starting this week, we have a weekly quiz. The quizzes are multiple-choice questions. Please, submit your answers before Sunday 6 pm. We will not accept late submissions for quizzes.

    You can find the quizzes under the menu Activities in WebCMS.

    Remind that we have consultation hours Mondays 2-3 pm and an online lecture Thursdays 12-1 pm.

    The video recordings of the lectures and tutorials are stored in MS Teams. You can access them by going to MS Teams, COMP9418 21T3 team, selecting the corresponding channel and clicking in Files and Recordings.

    Regards,

    Gustavo (on behalf of the COMP9418 team).

  • Welcome to COMP9418 Week 1!

    Posted by Gustavo Batista Monday 13 September 2021, 01:26:08 PM.

    Dear students,

    Every Monday, we will post the material for the entire week. You can find on WebCMS COMP9418 page (https://webcms3.cse.unsw.edu.au/COMP9418/21T3/) the following material for Week 1:

    • Lecture videos (Introduction, Logic and Probability)
    • Lecture slides (with and without annotations)
    • Tutorial theory and practice.

    The practical part of the tutorials is a Jupiter notebook that runs on Google Colab.

    Starting Week 2, we will have weekly quizzes. The quizzes and other assessments are due Sundays at 6 pm. Also, beginning in Week 2, we will post the answers for the previous week tutorial.

    Therefore, remind every week to check for new material on Mondays and submit your work before 6 pm on Sundays.

    We also have a short welcome video summarising the course organisation and assessment.

    Regards,

    Gustavo (on behalf of the COMP9418 team).

  • Welcome to COMP9418

    Posted by Gustavo Batista Tuesday 07 September 2021, 11:06:54 PM.

    Dear students,

    I hope you are all well and safe.

    Welcome to COMP9418. I have posted a welcome video explaining the course content and organisation. The video is available on WebCMS.

    https://webcms3.cse.unsw.edu.au/COMP9418/21T3/reso...

    I hope you enjoy the course.

    Gustavo Batista on befalf of the COMP9418 team.


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