When performing data analysis in Tableau, calculations are an essential element. Beyond just calculating sums or averages of sales, calculations are indispensable for conducting more advanced analysis ...

Open the matching chapter folder and work through the examples step-by-step. Tip: If Tableau prompts you to upgrade a workbook created with an older version, accept the upgrade; save under a new ...

Learn how to efficiently concatenate strings and numbers as well as nonstring fields in Tableau with our comprehensive guide. Tableau is a powerful data visualization tool that is growing in ...

This repository accompanies the paper "Efficient Evaluation of Arbitrarily-Framed Holistic SQL Aggregates and Window Functions" published at SIGMOD 2022. It contains: a stand-alone implementation of ...

Electroencephalography (EEG)-based driving fatigue detection has gained increasing attention recently due to the non-invasive, low-cost, and potable nature of the EEG technology, but it is still ...