Data Modeling

Data preparation is crucial in data analysis and machine learning projects. This article will explore basic concepts and extensive details on the various aspects of data preparation.

The date dimension is the table that controls your time analysis and is the most important to get right, especially with PowerBI, Excel, and other visualization tools. Having various tags and descriptors that aid in your analysis gives your end users several options in creating their visualizations in addition to a base for DAX time intelligence calculations.