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Create a new Power BI report, and load data from the workbook in the above folder:
Load all four worksheets (the data gives a list of famous events in history).
In Model View, create the obvious relationships between the tables:
Link the Event table to the Country and Category tables by the obvious columns.
Using the RELATED function, create calculated columns in the Event table to bring in the country, continent and category for each event to get this:
By hiding the other columns in the events table (and hiding the other tables), this should be the only thing you see in Report View.
The syntax of the RELATED function is =RELATED(TableName[ColumnName]).
Create a matrix (it doesn't have to be formatted at all) to show the number of events by category and continent:
A slight European bias, perhaps ...
Save this report as Tidy data model, then close it down.
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