Applying Advanced Data Transformation Techniques (Merging queries, Unpivoting data)

In this guide, we will go through advanced data transformation techniques. These techniques include merging, pivoting, and reshaping your data, resulting in insightful analytics that drive decision-making process.

Table of Contents

Merging Queries

Open Power BI Desktop and load your data sources.
Click the “Home” tab and select “Transform Data” to enter Power Query Editor.

Define your merging criteria, whether matching columns or keys.
A new column will appear after merging.
Expand this column to access the merged data.

Pivoting Data

In Power Query Editor, choose the column to pivot.
Navigate to the “Transform” tab and click “Pivot Column.”

Specify the values to pivot, generating result columns for each value.
For broader insights, unpivot a wide dataset.
Select target columns for unpivoting.
Under the “Transform” tab, choose “Unpivot Columns.”

By mastering these advanced techniques, you’ve empowered yourself to reshape and manipulate your data at will. Change queries effortlessly, pivot and unpivot columns for analytical clarity and insight, and create functions that are adapted to your needs.