PowerPivot | Transforming data (Power Query) exercise | Import a table of tallest buildings, and tidy it up

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Create a new Excel workbook, and create a query based on the Tallest buildings worksheet in the Tables workbook in the above folder.

Apply transforms and create a new Metres per floor column to get this:

Use the pinnacle height to get the height in metres and feet, and remove the roof height column.

Warning: the character before the m and ft at the end of the height in metres and feet doesn't seem to be a space.  Your best bet is to remove the m and ft, and then apply the Trim transform (if you can find it, that is).

Now get rid of all but these 3 columns:

You'll also need to remove any buildings with null completion years, and sort by the completion year.

Create a pivot transform to show the number of buildings by country and completion year:

The first few countries and years that you should see.

Show this data in a PowerPivot data model. 

Save your workbook as But why, and close it down.