Welcome to CS 171!
This website is for both the Harvard college CS 171 course and the Harvard Extension School CSCI E-171 course. All our weekly material, assignments, handouts, quizzes, and pre-readings will be listed on Canvas under Modules.
Class Meeting Times (mandatory):
- Lab: Mondays. You can pick a time that works best for you, either 9 am, 10:30 am, 3 pm, or 7:30 pm ET.
- Live Lecture: Wednesdays. You can pick from two available times, either 9 am or 4:30 pm ET.
Instructor and Head TF:
This course is an introduction to key design principles and techniques for interactively visualizing data. The major goals of this course are to understand how visual representations can help in the analysis and understanding of complex data, how to design effective visualizations, and how to create your own interactive visualizations using modern web-based frameworks.
After completion of the course you will be able to:
- Critically evaluate visualizations and suggest improvements and refinements
- Apply a structured design process to create effective visualizations
- Conceptualize ideas and interaction techniques using sketching and prototyping
- Use principles of human perception and cognition in visualization design
- Apply methods for visualization of data from a variety of fields
- Work constructively as a member of a team to carry out a complex project
CS171 is well-suited for an online format because of its activities, self-guided labs, and group projects. Here is the weekly rhythm of the course:
- Watch a brief weekly overview video to get an idea of what we will cover each week.
- Before each lab, you will be asked to complete a brief quiz that tests your understanding of the readings for the lab.
- Attend a mandatory live class (75 min) to participate in activities, discussions, and projects in breakout groups. Class attendance is mandatory. You can pick from two available times, either 9 am or 4:30 pm ET.
- Before each class, you will be asked to answer quiz questions, which may be embedded in the lecture videos, that test your understanding of the asynchronous materials for that week.
Throughout the week
- Prepare for next week’s labs and live classes by going through asynchronous materials (YouTube videos, websites, lecture videos, book chapters, etc.).
- Work on weekly homework assignments, which include finishing your lab notebooks, programming exercises, and work for your group project.
- Schedule office hours with the TFs to get help with the labs and homework assignments.
- Hand in your homework assignments, lab notebooks, and project milestones.
Each of the course components is discussed in more detail below.
To provide the best possible online learning experience during live classes we have limited enrollment in the course. If you are interested in joining this course please fill out the enrollment survey on Canvas [ADD LINK] between August 17 and August 21, 2020. You will be notified by email whether you are offered a spot and will have until August 24 to formally accept the spot.
In preparation for the weekly programming labs you will read chapters in the following textbook:
Interactive Data Visualization for the Web, Scott Murray, O’Reilly (2017), Second edition
An introduction to D3 for people new to programming and web development, published by O’Reilly. “Explaining tricky technical topics with aplomb (and a little cheeky humor) is Scott Murray’s forte. If you want to dive into the world of dynamic visualization using web standards, even if you are new to programming, this book is the place to start.” - Mike Bostock, creator of D3
Harvard College students can access an online copy of the book here, or you can purchase the book from the Coop bookstore or any other online retailer.
The class meets every Wednesday during a live Zoom call for joint class activities. Attending these live sessions is mandatory and a crucial component of learning the material in this course. Please arrive on time, as we will start promptly. At the end of each class, we will ask you to fill out and submit a brief reflection to collect feedback.
Asynchronous Materials & Quizzes
In preparation for class each week, you will work on your own through asynchronous materials (YouTube videos, websites, lecture videos, book chapters, etc.) to ensure that you are prepared for the programming labs and the activities in class. You are expected to read and watch these materials posted on Canvas each week. Before each Wednesday class, you will be asked to complete a brief quiz that tests your understanding of the asynchronous materials for that week.
Weekly homework assignments are going to provide an opportunity to improve your design and programming skills. Homeworks will be due every Sunday. See the homework as an opportunity to learn, and not to “earn points”. You can discuss solutions to homework assignments with your TFs during office hours, they will not be posted publicly.
A big part of the course will be two group projects. You will work in teams of three students to design and implement interactive visualizations to answer questions about a specific topic and dataset. We will use a design sprint process with a series of graded milestones.
At the beginning of the course, you will work on a guided project in teams assembled by us. Your team will choose one project from a set of topics, project briefs, and datasets. The guided project will familiarize you with the design sprint process and how to create interactive visualizations and dashboards using Tableau.
After the guided project, you will work on a final project for which you can choose your own team with three students each. Your team will create a web page that tells a story with interactive visualizations to answer questions about a topic of your own choosing. A small number of projects will win the coveted Best Project prize (Swiss chocolate).
Office Hours & Piazza
The teaching fellows will provide online office hours at several different times each week for questions you may have. We will also use Piazza as our discussion forum and for all announcements, so it is important that you are signed up as soon as possible. Piazza should always be your first resource for seeking answers to your questions. You can also post privately so that only the course staff sees your message.
This course can be taken for a letter grade only, there is no pass/fail option. The course grade comprises:
- Participation (10%)
- Quizzes (10%)
- Homework Assignments (30%)
- Guided Project (20%)
- Final Project (30%)
Your participation grade includes watching lecture videos, participation in live classes, and being helpful to other students on Piazza or during labs. We will drop your lowest quiz score. Any concerns about grading errors must be clearly articulated in writing and sent to <firstname.lastname@example.org> within one week of receiving the grade.
For each lab and live class on Zoom, please take care to:
- work through and complete the week’s asynchronous materials and weekly quiz,
- participate from a quiet office or similar space (and not from car, plane, or train), and
- participate with your camera turned on, using horizontal (not vertical) video.
Missing Labs or Class
Because of the emphasis on activities and teamwork, it is important that you attend and proactively participate during the labs and live class each week. We understand, however, that certain factors may occasionally interfere with your ability to attend these live sessions. You can miss labs or class up to four times during the semester without any negative consequences. After that, it will affect your participation grade. Please let us know as soon as possible if you have reoccurring extenuating circumstances that affect your ability to attend class. We will ask you for an email confirmation from your resident dean and will try to work out an agreeable solution with you and your team.
Each student is given two late days for homework assignments at the beginning of the semester. A ‘late day’ extends the individual homework deadline by 24 hours without penalty.
No more than two late days may be used on any assignment. If you have already used all of your late days for the semester, we will deduct points for each day you submit your homework late. Late days are intended to give you flexibility: you can use them for any reason – no questions asked. You don't get any bonus points for not using your late days. Also, you can only use late days for homework deadlines – all other deadlines (e.g., quizzes, project milestones, etc.) are hard.
If you have a verifiable medical condition or other special circumstances that interfere with your coursework please let us know as soon as possible. You will need to provide a written note or email from a medical professional or your resident dean confirming your inability to participate in course work.
We expect you to adhere to the Harvard Honor Code at all times. Failure to adhere to the honor code and our policies may result in serious penalties, up to and including automatic failure in the course and reference to the ad board.
You may discuss your homework and labs with other students, but you are expected to be intellectually honest and give credit where credit is due. In particular:
- if you work on labs in pairs, you may submit the same lab notebook as your partner, but you must add their name to your notebook submission;
- you have to complete your homework and weekly quizzes entirely on your own;
- you cannot share your homework code with anyone else, including on Piazza;
- you may not submit the same or similar work to this course that you have submitted or will submit to another; and
- you may not provide or make available solutions to individuals who take or may take this course in the future.
If the assignment allows it and for your projects, you may use third-party libraries and example code, so long as the material is available to all students in the class and you give proper attribution. Do not remove any original copyright notices and headers.
Any student receiving accommodations through the Accessible Education Office should email their AEO letter to <email@example.com> as soon as possible. Failure to do so may prevent us from making appropriate arrangements.
Some of the material in this course is based on the classes taught by Alexander Lex at the University of Utah, Carlos Scheidegger at the University of Arizona, Marc Streit at JKU Linz, Pat Hanrahan at Stanford, Jeff Heer at the University of Washington, Hans-Joerg Schulz at the University of Rostock, Nils Gehlenborg at Harvard Medical School, Torsten Möller at the University of Vienna, Tamara Munzener at the University of British Columbia, Helwig Hauser at the University of Bergen, Maneesh Agrawala at UC Berkeley, and Hendrik Strobelt at IBM Research. We have heavily drawn on materials and examples found online and tried our best to give credit by linking to the original source. Please contact us if you find materials where the credit is missing or that you would rather have removed.
The syllabus page shows a table-oriented view of the course schedule, and the basics of course grading. You can add any other comments, notes, or thoughts you have about the course structure, course policies or anything else.
To add some comments, click the "Edit" link at the top.