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Comments - Week of 27 September

Comments?


The midterm seemed very easy, but when I checked my grade online, it was a failing grade. The classmates I asked to all got really low grades, but they think they got every problem right. I hope there is a misgrading on the midterm. I'll wait until the breakout session to see for myself.
When is the take home due and how can i check due dates?
Due dates are always listed in the Syllabus and Lecture Slides-Fall 2004 and yes, we will be going over the midterms in breakout, so hopefully that will help your concerns! Summer McWilliams
I definately prefer picture code- That way you can visually see your results...


The midterm seemed to follow the class lectures, which I completely understand and follow, however, when I checked my grade for the midterm it was extremely low.
You can see what you missed when you get the midterm back during breakout this week. The TAs will also go over the answers to the midterm during breakout. Angela Liang
NO KIDDING...I thought I did fine on the midterm, and then when I saw my grade, I was taken aback. I am hoping there were some grading mistakes too.
You characters grading the midterms graded tough. Just like the other people, I left the test feeling great, then cried when I saw my grade. At least offer some grief counseling if you are gonna grade riduclously hard. By the way,...my TA's average was 10 points lower than the class average...hmmmmmm....
We graded all of the problems as a group, using identical criteria. We all graded problem #1, so that we could all work at grading it consistently, then moved to problem #2.
In general, don't freak over Midterm #1. Grades tend to be low on the first midterm, then later exams and HW buoy up the grade. Mark Guzdial
the midterm was a rip off.


Midterm just wasn't particularly the material I had studied. It was more concepts than actual coding - different from the practice midterm on CoWeb, so it caught me off guard.
I prefer picture code, mostly because we spent so much time on it in lecture/breakout and so little time on sound code.
Text thus far is okay..
i'm having problems with page 234 of chapter 10. i can't get it to print Hello vertically. how much do i indent over "print i" after the for function?

Thanks.
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o never mind about the problem on page 234. i just pressed enter more than once and it worked. thanks though.
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two questions:
(1) on page 181, i don't understand recipe 56. why is it that
if value0:
seSample(sample, -32768)
why is -32768 used? and also, aren't the smallest and largest values for the sound 32767.0? I don't really understand how the numbers are used in this recipe.
The values go from -32768 to +32767. The reason they aren't the same is because 0 is included in the positive half making it 1 less than the negative value. so in the code, if value goes less than 0, then it is invalid, so the sample is set to the most negative valid sample number. Kelly Lyons
(2) on page 237 what do print hello[-1:] and print hello[:-1] work? can someone explain this to me?
Thanks.
Try typing it into JES and changing the numbers around to see what is happening. The number before the : has to do with the starting position, and the number after the : has to do with the ending position. For negative numbers, think wrapping, just like color values. Kelly Lyons


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on page 242, when i type in print phones(), it gives me an error message that says

A local or global name could not be found. You need to define the function or variable before you try to use it in any way.
NameError: phones

what is wrong?
Have you entered and saved the phone and phonebook function on page 242 yet? Phone and phonebook are not predefined functions, you need to define them before you can print them. Summer McWilliams

The average on the midterm, not including zeroes (people who didn't take it), was 80.4%. A "B" average on the first midterm is quite high, since grades tend to go up after the wake-up call of the first midterm. Mark Guzdial

Was the 80.4 for section A or section B or overall?
Overall. Mark Guzdial

Can the ta's post the answers to the midterm on the website so that we can see what we did wrong?Kelly Hegarty
Have the answers been posted yet– and if yes where??
That's why we returned the midterms in breakout and went over anything that anyone got wrong there–go to breakout to see what you did wrong, and someone will explain it to you. Summer McWilliams
sorry if someone has already asked this: but can we know our prs quiz grade? it is not posted on webwork like the other assignments...prs is only 5% of a student's total grade, but I still wouldn't want to disregard how I am doing.
yeah, how can we check individual PRS??


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