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Antoinette123's avatar
1 year ago
Solved

Power Query: after combining 2 tables got something strange

I have a column "Name", in which each value is repeated twice. And each value has its own share (input data). I need to calculate the average share among the first occurrence of values in the first c...
  • lbendlin's avatar
    lbendlin
    1 year ago
    let
        Source = Table.FromRows(Json.Document(Binary.Decompress(Binary.FromText("i45WcspPUtJRck4sUjAE0gY6JqZAylApVgdTyhQkZYQmZQTRhUUTRMYMrscxJ7UCyHHKzE6FGmgM14UpZ45VH8RMI6z6IHIWEH2xAA==", BinaryEncoding.Base64), Compression.Deflate)), let _t = ((type nullable text) meta [Serialized.Text = true]) in type table [Owner = _t, Name = _t, Share = _t, Index = _t]),
        #"Changed Type" = Table.TransformColumnTypes(Source,{{"Share", type number}},"de"),
        #"Added Custom" = Table.AddColumn(#"Changed Type", "Average Share", (k)=> List.Average(Table.SelectRows(#"Changed Type", each [Owner]=k[Owner] and [Index]=k[Index])[Share]),type number)
    in
        #"Added Custom"

    How to use this code: Create a new Blank Query. Click on "Advanced Editor". Replace the code in the window with the code provided here. Click "Done". Once you examined the code, replace the Source step with your own source.