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  • Weston Palmer thinks this is interesting:

Self-Blending is a great way to solve some complex problems. One common business question asked is how to show my sales of the current and previous years in the same view. You can create the following Viz to answer his question:

  1. Drag the Order Date from the Orders table from the Superstore data set onto Columns. Set it at year level.
  2. Drag the Sales from the Orders

From

Note

Year-over-Year comparison. Joining data to itself