Wednesday, October 29, 2008
Grade Stats
I have posted a file that contains the grade statistics for all quizzes, tests, and assignments that have been graded so far. It can be found here.
Graphs Due Date Confusion
There was some conflicting information about the due date of the Graphs assignment. It will be due (without the use of late days) on Thursday, Nov 13. Frontdesk and the portal should be fixed with the correct due date.
Sunday, October 26, 2008
Schedule Error
On the schedule, Quiz 4 was listed for this Wednesday (that's an error). It will occur at some point after the midterm. The course staff is deciding whether to give out 4 or 5 quizzes total (you will be able to drop the lowest either way).
Saturday, October 25, 2008
Tony's office hours
For the next two weeks, I will hold my office hours Monday at noon instead of Thursday at 1:30. Specifically, I will have office hours Oct 27 and Nov 3 instead of Oct 30 and Nov 6.
+/- for mid-semester grades
To give you a more precise view of your mid-semester grade, we have entered a new graded item in FrontDesk called "midsemester" that shows your grade with +/-. You will need to map the number reported on FrontDesk to the letter grade with the following table:
10: A+
9: A
8: A-
7: B+
6: B
5: B-
4: C+
3: C
2: C-
1: D
0: R
10: A+
9: A
8: A-
7: B+
6: B
5: B-
4: C+
3: C
2: C-
1: D
0: R
Wednesday, October 22, 2008
Theory question 5 removed from compression homework
Theory question 5 is now removed from the Compression homework. After
several student questions about the problem, the course TAs and
instructors decided that the question was poorly worded and
unnecessarily confusing. All students will receive full credit for
this question.
For those of you who are curious the answer is posted on the discussion page here.
- KamiBW Transform Example
I've posted an example of transformed ASCII text to the discussion board:
http://groups.google.com/group/cmu-15-211-discuss/browse_thread/thread/3dc786ea677309c6
Monday, October 13, 2008
Office Hours Relocated
Since there are a ton of people on the 8th floor, I'm moving my office hours to the 7th floor. Notes were left on the whiteboards of the 8th floor.
Sunday, October 12, 2008
Quiz 3 in Recitation
In this weeks recitation, Weds 15 Oct, the third quiz will be given. Anything from the semester is fair game, but expect the majority of the material to be from after the midterm.
Friday, October 10, 2008
Supplementary Burrows Wheeler Notes
I created some notes on Burrows-Wheeler compression which explain both the compression and decompression algorithms in depth (the BWTransform, Move-to-Front, and Huffman). The notes take an input of length 7 round-trip. Please post any questions regarding the notes on the discussion board.
Thursday, October 02, 2008
Exam grades
Grades have been posted. The mean and median were 95 and 97, respectively. Contact your TA to find out where to pick up your exam.
Wednesday, October 01, 2008
Midterm Topics
This is a gentle reminder that all topics covered, including red black trees, are fair game for the midterm. We have posted slides for the red black tree lecture that aren't the exact same as the ones used in class, but you may find the wiki article as a helpful resource.
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