Human-in-the-Loop Data Analysis: A Personal Perspective

In the past few years human-in-the-loop data analysis (HILDA) has received significant growing attention. Most HILDA works have focused on concrete problems. In this paper I take a step back and discuss several "big picture" questions regarding HILDA. First, I discuss problems that I believe should fall under the scope of the field, including some that have received little attention, such as fostering user communities that develop data repositories and tools. Next, I discuss important aspects in developing HILDA solutions that I believe should receive more attention. These include solving problems that real users care about, developing how-to guides to users, building end-to-end systems (such as extending the "Pandas system"), developing challenges and benchmarks, and developing a theory of human data interaction. Finally, I speculate about the future of the field, and discuss the dangers it can face, given that many other communities are also working on related problems. I argue that a focus on end-to-end problems and system building is important for us to thrive and make significant impacts.