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The Definitive Guide to Power Query (M)

You're reading from  The Definitive Guide to Power Query (M)

Product type Book
Published in Mar 2024
Publisher Packt
ISBN-13 9781835089729
Pages 758 pages
Edition 1st Edition
Languages
Authors (3):
Gregory Deckler Gregory Deckler
Profile icon Gregory Deckler
Rick de Groot Rick de Groot
Profile icon Rick de Groot
Melissa de Korte Melissa de Korte
Profile icon Melissa de Korte
View More author details

Table of Contents (19) Chapters

Preface Introducing M Working with Power Query/M Accessing and Combining Data Understanding Values and Expressions Understanding Data Types Structured Values Conceptualizing M Working with Nested Structures Parameters and Custom Functions Dealing with Dates, Times, and Durations Comparers, Replacers, Combiners, and Splitters Handling Errors and Debugging Iteration and Recursion Troublesome Data Patterns Optimizing Performance Enabling Extensions Other Books You May Enjoy
Index

Time

While perhaps not as frequently used in reporting as much as dates, time can also be an important reporting element, particularly when reporting on metrics such as employee performance or supply chain productivity.

Similar to dates, time is also represented in numeric form as fractions of a day. To observe this, create a new query with:

let
    Source = List.Generate(() => 0, each _ <= 24, each _ + 1),
    Table = Table.FromList(Source, Splitter.SplitByNothing(), null, null, ExtraValues.Error),
    AddMultiplicationColumn = Table.AddColumn(Table, "Multiplication", each [Column1] / 24, type number),
    DuplicateColumn = Table.DuplicateColumn(AddMultiplicationColumn, "Multiplication", "Multiplication - Copy"),
    ChangeType = Table.TransformColumnTypes(DuplicateColumn,{{"Multiplication - Copy", type time}}),
    RenameColumns = Table.RenameColumns(ChangeType,{{"Multiplication - Copy", "Time"}})
in
    RenameColumns...
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