Power BI: delete duplicates
To remove duplicates, I have to go in Power Query Editor by clicking on “home -> transform data -> transform data”:
To delete duplicates in a column, I will select the column then right click on the header to select “remove duplicates”:
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To delete duplicates in a list of values, click on “add column -> custom column”:
Then put this formula:
Text.Combine(List.Distinct(List.Transform(Text.Split([argument]," "),each Text.Trim(_)))," ")
NOTE: change argument by yours
If my table combines both columns like that:
First, I will have to group my data based on “number” then combine all values of “support”, to know how to do it, read my article Power BI: combine multiple values. Once done, I will use the formula above to remove duplicates:
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