StackOverflow Dashboard (Part 2): BigQuery Views & Superset Charts

In the second installment of a three-part blog series about building a StackOverflow dashboard using BigQuery and Superset, the focus is on preparing the StackOverflow dataset for visualization and creating basic charts. It explains how to manage the large size of the dataset by creating a filtered view of the questions table in BigQuery, particularly focusing on questions tagged with "superset" or "apache-superset." The post details the process of saving this view and using SQL Lab in Superset to preview it. It introduces the creation of calculated columns to enhance visualization, such as transforming the answer count into a binary classification to identify interesting questions and generating HTML links to questions. The guide also covers the creation of various charts, including Big Number, Big Number with Trendline, Pie, Table, and Box Plot charts, to display data trends, proportions of unanswered questions, and popular questions by view and answer counts. Additionally, it advises on aesthetically enhancing the dashboard with the StackOverflow logo using a Markdown component, and hints at the next part of the series, which will explore more advanced features like joining multiple tables and adding dynamic filters.

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