Opomba
To je eden iz serije člankov, ki podrobno opisujejo rešitve, poslane za izziv Podcast 2316.
V svoji rešitvi za preoblikovanje podatkov sem želel, da vidim, ali stolpec vsebuje ime zaposlenega ali vrednost, kot so Q1, Q2, Q3, Q4. V svoji rešitvi sem domneval, da nihče ne bo imel imena z dvema znakoma, zato sem dodal stolpec za izračun dolžine besedila v stolpcu.
Jason M se je izognil potrebi po stolpcu Dolžina, tako da je v svoj pogojni stolpec dodal tri klavzule Else If.
![](https://cdn.wiki-base.com/5869519/power_query_using_else_if_clauses_in_conditional_columns_-_excel_tips_2.png.webp)
Pogojni izračun za zaposlenega nato išče Quarter kot Null: če je (Quarter) = null, potem (Category Description) else null.
![](https://cdn.wiki-base.com/5869519/power_query_using_else_if_clauses_in_conditional_columns_-_excel_tips_3.png.webp)
Tu je Jasonova koda M:
let Source = Excel.CurrentWorkbook()((Name="UglyData"))(Content), #"Transposed Table" = Table.Transpose(Source), #"Promoted Headers" = Table.PromoteHeaders(#"Transposed Table", (PromoteAllScalars=true)), #"Added Conditional Column" = Table.AddColumn(#"Promoted Headers", "Quarter", each if (Category Description) = "Q1" then (Category Description) else if (Category Description) = "Q2" then (Category Description) else if (Category Description) = "Q3" then (Category Description) else if (Category Description) = "Q4" then (Category Description) else null), #"Added Conditional Column1" = Table.AddColumn(#"Added Conditional Column", "Employee", each if (Quarter) = null then (Category Description) else null), #"Filled Up" = Table.FillUp(#"Added Conditional Column1",("Quarter")), #"Filled Down" = Table.FillDown(#"Filled Up",("Employee")), #"Inserted Distinct Count" = Table.AddColumn(#"Filled Down", "Distinct Count", each List.NonNullCount(List.Distinct(((Category Description), (Employee)))), Int64.Type), #"Filtered Rows1" = Table.SelectRows(#"Inserted Distinct Count", each (Distinct Count) 1), #"Removed Columns1" = Table.RemoveColumns(#"Filtered Rows1",("Distinct Count")), #"Removed Columns" = Table.RemoveColumns(#"Removed Columns1",("Category Description")), #"Filtered Rows" = Table.SelectRows(#"Removed Columns", each ((Employee) "Dept. Total")), #"Unpivoted Other Columns" = Table.UnpivotOtherColumns(#"Filtered Rows", ("Quarter", "Employee"), "Attribute", "Value"), #"Renamed Columns" = Table.RenameColumns(#"Unpivoted Other Columns",(("Attribute", "Category Description"))), #"Pivoted Column" = Table.Pivot(#"Renamed Columns", List.Distinct(#"Renamed Columns"(Quarter)), "Quarter", "Value"), #"Inserted Sum" = Table.AddColumn(#"Pivoted Column", "Total", each List.Sum(((Q1), (Q2), (Q3), (Q4))), type number), #"Reordered Columns" = Table.ReorderColumns(#"Inserted Sum",("Category Description", "Employee", "Q1", "Q2", "Q3", "Q4", "Total")) in #"Reordered Columns"
Ondřej Malinský je poslal rešitev, ki je uporabila tudi več klavzul Else If:
![](https://cdn.wiki-base.com/5869519/power_query_using_else_if_clauses_in_conditional_columns_-_excel_tips_4.png.webp)
Matthew Wykle je poslal rešitev z še enim načinom prepoznavanja četrti. Njegova metoda preveri, ali se besedilo začne s Q, druga številka pa je manjša od 5:
if Text.Start((Attribute),1)="Q" and Number.From(Text.Middle((Attribute),1,1))<5 then Text.Start((Attribute),2) else "Total")
![](https://cdn.wiki-base.com/5869519/power_query_using_else_if_clauses_in_conditional_columns_-_excel_tips_5.png.webp)
Christian Neuberger je s to formulo dobil ime zaposlenega, izpolnjen in nato filtrirani stolpec 1, da je vključeval samo Q1, Q2, Q3 ali Q4. Tudi Oz Du Soleil je uporabil to metodo.
![](https://cdn.wiki-base.com/5869519/power_query_using_else_if_clauses_in_conditional_columns_-_excel_tips_6.png.webp)
Excel MVP Ken Puls verjetno zmaga s svojo formulo. Išče se podčrtaj, če želite vedeti, ali to ni ime zaposlenega.
Oglejte si celotno Kenovo rešitev v Excelovih MVP-jih Attack the Data Cleansing Problem v Power Query.
![](https://cdn.wiki-base.com/5869519/power_query_using_else_if_clauses_in_conditional_columns_-_excel_tips_7.png.webp)
Vrnite se na glavno stran izziva Podcast 2316.
Preberite naslednji članek v tej seriji: Power Query: Obravnavanje več enakih glav.