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Mu
Frequent Visitor

Attempting to Pivot Colum

Hello,

I am downloading data from an XML file and it is being imported like this

Mu_0-1690405747305.png

I would like to transform the data to look like this

Mu_1-1690405764983.png

I tried pivoting the column without aggregating but I don't think it spits out an error. As far as I understand, simply pivoting won't work because each row is not supposed to have its own column. Thanks.

1 ACCEPTED SOLUTION
ppm1
Solution Sage
Solution Sage

Here's one way to do it in the query editor.  To see how it works, just create a blank query, open the Advanced Editor and replace the text there with the M code below. The key is to add an index column (starting from 1), divide it by 4, then round it up. You can then pivot on your original column, using your other original column as values (also choose "Don't Aggregate" in the options).

 

let
    Source = Table.FromRows(Json.Document(Binary.Decompress(Binary.FromText("i45WCg12VNJRcs4vzSspqlSK1YlWAvE9S1JzwRwjAyNjID8yNbEIzDc0APLCEnNKU8HcUG80zU5omo2QNZsi9MYCAA==", BinaryEncoding.Base64), Compression.Deflate)), let _t = ((type nullable text) meta [Serialized.Text = true]) in type table [Column1 = _t, Column2 = _t]),
    #"Added Index" = Table.AddIndexColumn(Source, "Index", 1, 1, Int64.Type),
    #"Divided Column" = Table.TransformColumns(#"Added Index", {{"Index", each _ / 4, type number}}),
    #"Rounded Up" = Table.TransformColumns(#"Divided Column",{{"Index", Number.RoundUp, Int64.Type}}),
    #"Pivoted Column" = Table.Pivot(#"Rounded Up", List.Distinct(#"Rounded Up"[Column2]), "Column2", "Column1")
in
    #"Pivoted Column"

 

Pat

Microsoft Employee

View solution in original post

1 REPLY 1
ppm1
Solution Sage
Solution Sage

Here's one way to do it in the query editor.  To see how it works, just create a blank query, open the Advanced Editor and replace the text there with the M code below. The key is to add an index column (starting from 1), divide it by 4, then round it up. You can then pivot on your original column, using your other original column as values (also choose "Don't Aggregate" in the options).

 

let
    Source = Table.FromRows(Json.Document(Binary.Decompress(Binary.FromText("i45WCg12VNJRcs4vzSspqlSK1YlWAvE9S1JzwRwjAyNjID8yNbEIzDc0APLCEnNKU8HcUG80zU5omo2QNZsi9MYCAA==", BinaryEncoding.Base64), Compression.Deflate)), let _t = ((type nullable text) meta [Serialized.Text = true]) in type table [Column1 = _t, Column2 = _t]),
    #"Added Index" = Table.AddIndexColumn(Source, "Index", 1, 1, Int64.Type),
    #"Divided Column" = Table.TransformColumns(#"Added Index", {{"Index", each _ / 4, type number}}),
    #"Rounded Up" = Table.TransformColumns(#"Divided Column",{{"Index", Number.RoundUp, Int64.Type}}),
    #"Pivoted Column" = Table.Pivot(#"Rounded Up", List.Distinct(#"Rounded Up"[Column2]), "Column2", "Column1")
in
    #"Pivoted Column"

 

Pat

Microsoft Employee

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