I have data for 11 week by 12 hours.
I need to create Average for 10 week and create a graph with the Average column and last week column(13-Jan-15).
See example in from Excel and Excel file with data.
How to in Tableau?
She, please see attached. However I do need to mention that your data structure is all wrong for making the most of Tableau. You should consider reshaping your data with this tool:
The New Reshaper...
Retrieving data ...