Spring 2026 Computer Science 4580. 2/11/2026

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Canvas Quiz of the Day (need daily password)

Most days, there will be a simple canvas quiz related to the lecture. You need a password to activate the quiz, which I will provide in class. These quizzes will count toward your class participation grade. The quiz is available only during class.

Click for today's quiz.

Announcements

  • Let us know if you have an upcoming event you would like to share with the class.

  • You may provide mid-semester feedback on canvas starting February 16th and ending February 23rd. It is anonymous.

  • Yale Information Society Project Free lunch. This week.

  • Today, we have a guest speaker, Joanne Lipman, wiki, Yale Lecturer, Journalist (Wall Street Journal, USA Today, CNBC). Here are her slides. Her contact information is available as a QR code on the last slide.

    There is also a Discussions question for commenting on the speaker: What did you learn from today's speaker? What was the best question from the audience? Did you ask it? We will go out for dinner at Mory's with the below students:

    1. Alba Quintas Núñez
    2. Harvey Lloyd Picar
    3. Joseph Yu
    4. Lakxshanna Raveendran
    5. Emma Slagle (not available)
    6. Meghana Chamarty (not available)
    Alternates:
    1. Miranda Selin (Niccolai) [2] (promoted)
    2. Bende Doernyei (Russell) [1] (promoted)

  • Next Wednesday (2/18), we have a guest speaker, Professor William Goetzmann, Yale School of Management
    We will go out for dinner at Mory's. If you want to attend, enter your name in Discussions. We will have a lottery on Monday

    Lecture

  • I have office hours Mondays and Wednesdays from 2:30-3:30pm pm, on zoom, id 459 434 2854.

    Assignments

    You can begin work on hw 2 We will discuss yfinance and friends.

    The Realm of Decisions

  • We shall explore Langer's mindlessness / mindfulness dichotomy for decision making. For the next class and the coming weeks: Give an example of an explanation you thought interesting because it was especially good or bad. It can be personal or from the news. Use the Discussions section of canvas (not Ed Discussion). You earn a quiz point by posting to Discussions. Try to analyze it along the mindless / mindful spectrum.

  • What is a correct decision? See Realistic Rationality which is derived from the paper: A Realistic Model of Rationality. This short paper provides a high-level introduction to the topics we will discuss in this course: goals, plans, resources, relationships, goal adoption, explanations, subjective decisions, emotions, advice, and persuasion. We contrast it with the standard economic decision theory. We want to develop a theory that can be implemented in a computer program.

  • The VOTE program is available on the zoo. There is also a github repository of the Common LISP code for VOTE.

  • Truth is more complicated that the logicians would have you believe. Quotes about Truth
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