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VisPilot

Introduction

As datasets continue to grow in size and complexity, exploring multi-dimensional datasets remain challenging for analysts. A common operation during this exploration is drilldown—understanding the behavior of data subsets by progressively adding filters. While widely used, in the absence of careful attention towards confounding factors, drill-downs could lead to inductive fallacies. Specifically, an analyst may end up being “deceived” into thinking that a deviation in trend is attributable to a local change, when in fact it is a more general phenomenon; we term this the drill-down fallacy. One way to avoid falling prey to drill-down fallacies is to exhaustively explore all potential drill-down paths, which quickly becomes infeasible on complex datasets with many attributes. We present VisPilot, an accelerated visual data exploration tool that guides analysts through the key insights in a dataset, while avoiding drill-down fallacies. Our user study results show that VisPilot helps analysts discover interesting visualizations, understand attribute importance, and predict unseen visualizations better than other multidimensional data analysis baselines.

Basic Setup

To build the project, run:

bash build.sh

Under the /vispilot/ directory.

Install postgres at: https://postgresapp.com/

If it doesn't work on the current port(5432), try a another port.

$psql -d postgres

CREATE USER summarization WITH CREATEDB CREATEROLE;
ALTER USER summarization WITH PASSWORD 'lattice';
ALTER USER summarization WITH SUPERUSER;

Build Outputs

To run the built server, run:

bash run.sh

Under the /vispilot/ directory.

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