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Syndicate_Admin
Administrator
Administrator

Duplicar una columna con power query

Hola

Tengo datos como este:

Columna1 | Columna 2 | Columna 3

a d g

b y h

c f i

Quiero esto:

a d g

a y g

a f g

a d h

a y h

a f h

a d i

a e i

a f i

b d g

b y g

...

...

¿Es posible en Power BI? (o Excel)

¡Gracias!

1 ACCEPTED SOLUTION
Syndicate_Admin
Administrator
Administrator

Producto cartesiano fácil independientemente del recuento de columnas, por ejemplo, 4 columnas

CNENFRNL_0-1644514606837.png

let
    Source = Table.FromRows(Json.Document(Binary.Decompress(Binary.FromText("i45WSlTSUUoB4nQgzlKK1YlWSgKyUoE4A4izwSLJQFYaEGcCcY5SbCwA", BinaryEncoding.Base64), Compression.Deflate)), let _t = ((type nullable text) meta [Serialized.Text = true]) in type table [Column1 = _t, Column2 = _t, Column3 = _t, Column4 = _t]),
    Cols = Table.ToColumns(Source),
    Cartesian = Table.FromRows(
        List.Accumulate(List.Skip(Cols), List.Transform(Cols{0}, each {_}),(s,c) => List.TransformMany(s, each c, (x,y) => x & {y}))
    )
in
    Cartesian

View solution in original post

2 REPLIES 2
Syndicate_Admin
Administrator
Administrator

Producto cartesiano fácil independientemente del recuento de columnas, por ejemplo, 4 columnas

CNENFRNL_0-1644514606837.png

let
    Source = Table.FromRows(Json.Document(Binary.Decompress(Binary.FromText("i45WSlTSUUoB4nQgzlKK1YlWSgKyUoE4A4izwSLJQFYaEGcCcY5SbCwA", BinaryEncoding.Base64), Compression.Deflate)), let _t = ((type nullable text) meta [Serialized.Text = true]) in type table [Column1 = _t, Column2 = _t, Column3 = _t, Column4 = _t]),
    Cols = Table.ToColumns(Source),
    Cartesian = Table.FromRows(
        List.Accumulate(List.Skip(Cols), List.Transform(Cols{0}, each {_}),(s,c) => List.TransformMany(s, each c, (x,y) => x & {y}))
    )
in
    Cartesian
Syndicate_Admin
Administrator
Administrator

@Nabs335 , aconsejaría el cruce en DAX

nueva tabla =

Crossjoin(Tabla, Distinto(Tabla[Columna3]) )

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