问在权力比中是否有将价值分配给不同的计算值的方法？

EN

let
    Source = Table.FromRows(Json.Document(Binary.Decompress(Binary.FromText("i45WMjMwNDFS0lEyVIrVAfNMzYA8IxgPTc4UWQ6s0hBFpSmKnAmKnBGKKcboZsYCAA==", BinaryEncoding.Base64), Compression.Deflate)), let _t = ((type nullable text) meta [Serialized.Text = true]) in type table [#"Claim No" = _t, Occurances = _t]),
    #"Changed Type" = Table.TransformColumnTypes(Source,{{"Claim No", Int64.Type}, {"Occurances", Int64.Type}}),
    #"Grouped Rows" = Table.Group(#"Changed Type", {"Claim No"}, {{"Order", each _, type table [Claim No=nullable number, Occurances=nullable number]}}),
    #"Added Custom" = Table.AddColumn(#"Grouped Rows", "Custom", each Table.AddIndexColumn([Order],"SNo",1)),
    Custom1 = Table.Combine(#"Added Custom"[Custom]),
    #"Added Custom1" = Table.AddColumn(Custom1, "Distinct_Number", each if [SNo] = 1 then 1 else 0),
    #"Removed Columns" = Table.RemoveColumns(#"Added Custom1",{"SNo"}),
    #"Changed Type1" = Table.TransformColumnTypes(#"Removed Columns",{{"Distinct_Number", Int64.Type}})
in
    #"Changed Type1"