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saleemch's avatar
saleemch
Copper Contributor
Nov 30, 2019
Solved

Conversion of data into single column

 

Hi all, I need to convert multiple columns data into one columns. The columns represent yearly flows and may have 365 or 366 values. Could any body suggest me code to convert data into one column say 1-1-1960 to 31-12-2011. Spreadsheet is attached for your reference.

 

Regards

Saleem

excel
  • SergeiBaklan's avatar
    SergeiBaklan
    Nov 30, 2019

    saleemch 

    Okay. Let define named range for the values as

    where first row is the row with years and couple of empty rows at the end as the gap.

    Transferred data will put here

    In BF3 is the formula to calculate the date starting from the first one in our range

    =DATE(INDEX(rngValues,1,1),1,ROW()-ROW($BF$2))

    into BG3 we pick-up the value from the range

    =IFNA(INDEX(rngValues,$BF3-DATE(YEAR($BF3),1,1)+2,MATCH(YEAR($BF3),INDEX(rngValues,1,0),0)),"out of range")

    Let stay on BF3 and in reference box will enter

    Entire this range will be selected. Now press Ctrl+D, formulas from BF3:BG3 will be expanded till end of this range.

    Right now for leap years with have zero for 31 Dec. I didn't add any values, add them yourself where necessary.

    Please check in second sheet of the attached file.

8 Replies

  • SergeiBaklan's avatar
    SergeiBaklan
    Diamond Contributor
    Nov 30, 2019

    saleemch 

    The question is about leap years. In your file data is always for 365 days only and in column BC with dates 27th of Feb is missed for the year 1960 (it is leap year). So, shall we add one more value into the table for leap years for day #366; or we shall skip 29 Feb for leap years; or we shall ignore 31 Dec for leap years?

    • saleemch's avatar
      saleemch
      Copper Contributor
      Nov 30, 2019

      SergeiBaklan 

      Thanks for your reply. Yes, please add one more value so that leap year may also be added.

       

      Kind regards,

      S

      • SergeiBaklan's avatar
        SergeiBaklan
        Diamond Contributor
        Nov 30, 2019

        saleemch 

        One more solution is with Power Query

        - query source range

        - expand it keeping dynamic list of columns

        - add Index column and unpivot Years columns

        - add date column based on year number and Index (aka date # within an year)

        - cosmetic and load back to Excel sheet

         

        Script is generated from UI, the only coding part is to take list of columns within the range

        let
    Source = Excel.CurrentWorkbook(),
    SelectNamesRange = Table.SelectRows(Source, each [Name]="rngValues"),
    KeepContent = Table.SelectColumns(SelectNamesRange,{"Content"}),
    lstColumns = Table.ColumnNames(
        KeepContent{0}[Content]
    ),
    ExpandContent = Table.ExpandTableColumn(
        KeepContent,
        "Content",
        lstColumns,
        lstColumns
    ),
    YearsToHeaders = Table.PromoteHeaders(ExpandContent, [PromoteAllScalars=true]),
    AddIndex = Table.AddIndexColumn(YearsToHeaders, "Index", 0, 1),
    UnpivotYears = Table.UnpivotOtherColumns(AddIndex, {"Index"}, "Attribute", "Value"),
    ProperTypes = Table.TransformColumnTypes(
        UnpivotYears,
        {
            {"Attribute", Int64.Type},
            {"Value", type number}
        }
    ),
    AddDates = Table.AddColumn(
        ProperTypes,
        "Date",
        each Date.From(Date.AddDays(#datetime([Attribute],1,1,0,0,0),[Index])),
        type date
    ),
    RemoveUnused = Table.SelectColumns(AddDates,{"Date", "Value"}),
    SortByDates = Table.Sort(RemoveUnused,{{"Date", Order.Ascending}})
in
    SortByDates

        Please see in the third sheet attached.

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