Prev: D6 Next: D8
Back to week 5 page: Link
If your post satsifies the requirements (1), (2), you will receive 0.5 points for the post.
📗 Go to the K-means clustering demo Link and find an example in which the algorithm converges to a local minimum that is not a global minimum. Please also include the global minimum clustering for the same dataset. Share the two screenshots on Piazza.
📗 You should select "I'll Choose" for "How to pick the initial centroids?", then select a data set: please specify in the post which data set you used (e.g. mine is Gaussian Mixture).
📗 You can use the same one I gave during the lecture, but make sure you can replicate it.
Screenshot from K-Means Demo by Naftali Harris.
If your post satisfies the requirements (1), (2), (3), one of the course staff will "like" your post and you will receive 0.5 points for the post. Remember to use the correct Piazza tag in d1 to d12.
The past exams can be found on pages X1, X2, X3, X4, X5, X6, X7, X8,
Back to week 5 page: Link
# D Discussion Topic
📗 Please create a follow-up discussion post on the Piazza (it is okay to post anonymously). No Canvas submissions are required. The grades will be updated at the end of the week on Canvas: Link| Requirement | Discussion | Note |
| Topic | see below | |
| Due Date | suggested: July 24 | no points after: August 13 |
| Max per Week | 2 | 1 per topic |
| Type of Post | Piazza follow-up | |
| Include | (1) Image or screenshot | |
| - | (2) Brief discussion or explanation | (one or two sentences) |
If your post satsifies the requirements (1), (2), you will receive 0.5 points for the post.
📗 Go to the K-means clustering demo Link and find an example in which the algorithm converges to a local minimum that is not a global minimum. Please also include the global minimum clustering for the same dataset. Share the two screenshots on Piazza.
📗 You should select "I'll Choose" for "How to pick the initial centroids?", then select a data set: please specify in the post which data set you used (e.g. mine is Gaussian Mixture).
📗 You can use the same one I gave during the lecture, but make sure you can replicate it.
Screenshot from K-Means Demo by Naftali Harris.
# D Sharing Solutions on Piazza
📗 Use the sign-up sheet: Google Sheet. You can sign up and post anonymously (anonymous Piazza posts are not anonymous to instructors).| Requirement | Past Exam Questions | Note |
| List of Questions | X5 | 5 |
| Due Date | suggested: July 24 | no points after: August 7 |
| Name of Post | X?Q? | |
| Max per Week | suggested: 2 | no points if more than 4 |
| Piazza Tag | d5 | |
| Type of Post | public Piazza note | |
| Include | (1) Screenshot of the question | |
| - | (2) Detailed step-by-step solution | |
| - | (3) Brief explanation of each step |
If your post satisfies the requirements (1), (2), (3), one of the course staff will "like" your post and you will receive 0.5 points for the post. Remember to use the correct Piazza tag in d1 to d12.
The past exams can be found on pages X1, X2, X3, X4, X5, X6, X7, X8,
Last Updated: April 29, 2024 at 1:11 AM