Forum Discussion
data transformation
hello, I'm new to PowerBI and I have one issue with my report The thing is I'm trying to "transpose" table like in the picture http://ifotos.pl/z/qwehnnw * the red category always has oldes...
hi, Anonymous
Based on my test, you could tr these step in Edit Queries:
let Source = Table.FromRows(Json.Document(Binary.Decompress(Binary.FromText("i45WMlTSUTLUNzTUNzIwtASyi1JTlGJ14OJGMPGknNJUsIQRRMIYXQNU3ARZg056UWpqnlJsLAA=", BinaryEncoding.Base64), Compression.Deflate)), let _t = ((type text) meta [Serialized.Text = true]) in type table [ID = _t, Date = _t, category = _t]), #"Changed Type" = Table.TransformColumnTypes(Source,{{"ID", Int64.Type}, {"Date", type date}, {"category", type text}}), #"Split Column by Delimiter" = Table.SplitColumn(#"Changed Type", "category", Splitter.SplitTextByDelimiter(",", QuoteStyle.Csv), {"category.1", "category.2"}), #"Changed Type1" = Table.TransformColumnTypes(#"Split Column by Delimiter",{{"category.1", type text}, {"category.2", type text}}), #"Unpivoted Other Columns" = Table.UnpivotOtherColumns(#"Changed Type1", {"ID", "Date"}, "Attribute", "Value"), #"Removed Columns" = Table.RemoveColumns(#"Unpivoted Other Columns",{"Attribute"}), #"Pivoted Column" = Table.Pivot(#"Removed Columns", List.Distinct(#"Removed Columns"[Value]), "Value", "Date") in #"Pivoted Column"Result:
Best Regards,
Lin
hi, Anonymous
Yes, it will work well, you could try it by steps in the Edit Queries.
and here is my pbix file, please try it.
Best Regards,
Lin
Hi v-lili6-msft
I have this error for some rows, can you help?
Expression.Error: There were too many elements in the enumeration to complete the operation.
Details:
List
hi, Anonymous
Share some sample data with this error.
Best Regards,
Lin
This is my code, and data in excel https://docs.google.com/spreadsheets/d/1ugyIfdUkb22GXeFv2OKR_VeMM5X8pmhscjMruc8t8Lc/edit?usp=sharing
let Source = Mail, #"Filtered Rows" = Table.SelectRows(Source, each ([New_or_revisit] <> null) and ([case_type] = "CF")), #"Removed Columns2" = Table.RemoveColumns(#"Filtered Rows",{"Subject", "Folder Path", "Sender.Address", "Importance", "Index", "New_or_revisit", "case_type"}), #"Split Column by Delimiter" = Table.SplitColumn(#"Removed Columns2", "Categories", Splitter.SplitTextByDelimiter(",", QuoteStyle.Csv), {"Categories.1", "Categories.2"}), #"Changed Type1" = Table.TransformColumnTypes(#"Split Column by Delimiter",{{"Categories.1", type text}, {"Categories.2", type text}}), #"Unpivoted Other Columns" = Table.UnpivotOtherColumns(#"Changed Type1", {"sCRM_ID", "DateTimeReceived.1"}, "Attribute", "Value"), #"Removed Columns" = Table.RemoveColumns(#"Unpivoted Other Columns",{"Attribute"}), #"Pivoted Column" = Table.Pivot(#"Removed Columns", List.Distinct(#"Removed Columns"[Value]), "Value", "DateTimeReceived.1"), #"Removed Columns1" = Table.RemoveColumns(#"Pivoted Column",{"Data completed"}) in #"Removed Columns1"hi, Anonymous
Add a group index column for
let Source = Mail, #"Filtered Rows" = Table.SelectRows(Source, each ([New_or_revisit] <> null) and ([case_type] = "CF")), #"Removed Columns2" = Table.RemoveColumns(#"Filtered Rows",{"Subject", "Folder Path", "Sender.Address", "Importance", "Index", "New_or_revisit", "case_type"}), #"Split Column by Delimiter" = Table.SplitColumn(#"Removed Columns2", "Categories", Splitter.SplitTextByDelimiter(",", QuoteStyle.Csv), {"Categories.1", "Categories.2"}), #"Changed Type1" = Table.TransformColumnTypes(#"Split Column by Delimiter",{{"Categories.1", type text}, {"Categories.2", type text}}), #"Unpivoted Other Columns" = Table.UnpivotOtherColumns(#"Changed Type1", {"sCRM_ID", "DateTimeReceived.1"}, "Attribute", "Value"), #"Removed Columns" = Table.RemoveColumns(#"Unpivoted Other Columns",{"Attribute"}), Partition = Table.Group( #"Removed Columns" , {"sCRM_ID"}, {{"Partition", each Table.AddIndexColumn(_, "Index",1,1), type table}}),
#"Expanded Partition" = Table.ExpandTableColumn(Partition, "Partition", {"DateTimeReceived.1", "Value", "Index"}, {"DateTimeReceived.1", "Value", "Index"}),
#"Pivoted Column" = Table.Pivot(#"Removed Columns", List.Distinct(#"Removed Columns"[Value]), "Value", "DateTimeReceived.1"), #"Removed Columns1" = Table.RemoveColumns(#"Pivoted Column",{"Data completed"}) in #"Removed Columns1"Best Regards,
Lin