Power Query Unpivot with 2 Column Variables? Bad Data Into Good Data. Excel Magic Trick 1916
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Free Excel Class from excelisfun: https://www.youtube.com/playlist?list=PLrRPvpgDmw0k7ocn_EnBaSJ6RwLDOZdfo
In this video learn how to convert bad data (cross tabulated table with two column variables and one row variable) into a proper data set for easier analysis using Power Query.
Topics:
1. (00:00) Introduction.
2. (00:31) New Power Query book by Mike excelisfun Girvin
3. (00:52) How a cross tabulated table translates into a proper table.
4. (01:37) Convert worksheet cross tabulated table into an Excel Table BEFORE bringing into the Power Query Editor.
5. (02:55) Use keyboard shortcut to bring Excel Table into the Power Query Editor.
6. (03:20) Power Query Editor.
7. (03:46) Transpose table for first time.
8. (04:00) Rename Steps in Query to make M Code easier to read.
9. (04:47) Merge fields.
10. (05:31) Transpose table for second time.
11. (05:40) Promote Headers
12. (05:53) Name Week Column
13. (05:59) Unpivot from Week column, then rename Volume column.
14. (06:40) Split merged columns and name two new columns.
15. (07:12) Investigate Volume column to see that there are numbers that represent volumes and text entries to indicate a cyber attack in the same column.
16. (07:45) Reference base query and create new query named Cargo Records.
17. (08:10) Filter out Cyber Attack Records.
18. (08:18) Add Data Types
19. (08:33) Reference base query and create new query named Cyber Attack Records, including filtering to show only Cyber Attack Records and adding Data Types.
20. (08:55) Load base query as a connection only and the two proper table queries as new queries on new worksheets.
21. (09:37) Summary
22. (09:48) Closing
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