We just had an ass-kicker of a final exam in my AI course. At least it's all over now, and everyone else I've talked to says they got their ass kicked, too, so I'm probably not the only one.
Lindsey: I had a vague sense of what penalizing false negatives more than false positives would do to the precision/recall curve, but I had no idea how to actually plot it. I put some really sketchy lines in.
One of my classmates: I drew a smiley face.