Forum Discussion
Anonymous
6 years agoNot applicable
Remove Duplicates Per Group (keep first) measure help
Hi All Is it possible to create a measure in PBI that remove duplicate values per group, and keeps the first occurrence of the value? Perhaps not a measure but maybe a new table, I'm unsure of ho...
- 6 years ago
Hi Anonymous ,
Check if this existing thread helps:
Thanks,
Pragati
- Anonymous6 years ago
Here's the M code that does what you want:
let Source = Table.FromRows(Json.Document(Binary.Decompress(Binary.FromText("i45WKi1OLXJU0lEyBOLSvMzk/KI8ICstMTMHJGhgZWRsZWigFKuDUGkEks8vSi0uATIKEouLIQqNDaxMLFEU4jISVaUTTpXGViZA+40wVALliyqR7AaqM7YyBZoYCwA=", BinaryEncoding.Base64), Compression.Deflate)), let _t = ((type nullable text) meta [Serialized.Text = true]) in type table [User = _t, EntryID = _t, Entry = _t, Status = _t, Time = _t]), #"Changed Type" = Table.TransformColumnTypes(Source,{{"User", type text}, {"EntryID", Int64.Type}, {"Entry", type text}, {"Status", type text}, {"Time", type time}}), #"Added Custom" = Table.AddColumn(#"Changed Type", "FirstTimeEntry", each List.Min( Table.SelectRows( #"Changed Type", (r) => r[User] = [User] and r[Entry] = [Entry] )[Time] ) = [Time]), #"Filtered Rows" = Table.SelectRows(#"Added Custom", each ([FirstTimeEntry] = true)), #"Removed Columns" = Table.RemoveColumns(#"Filtered Rows",{"FirstTimeEntry"}) in #"Removed Columns"Best
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