Before you can present any analysis or insight, you need data. Your sources could be in many places and in many formats. Nonetheless, you need to access them, look at them, select them, and quite possibly restructure them or clean them up to some extent. You may also...
CITATION STYLE
Aspin, A. (2018). Discovering and Loading File-Based Data with Power BI Desktop. In Pro Power BI Desktop (pp. 39–63). Apress. https://doi.org/10.1007/978-1-4842-3210-1_2
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