11

Comparers, Replacers, Combiners, and Splitters

Data preparation within Power Query involves several techniques aimed at manipulating and refining data. These techniques include splitting, combining, comparing, and replacing values to achieve the desired data structure and quality. Here’s a brief overview of each technique:

Technique

Purpose

Example

Comparers

Determine equality and order

Identifying duplicates, ranking, and sorting data

Replacers

Substitute values

Correcting misspellings or irregularities to ensure uniformity

Combiners

Concatenate values

Concatenating strings, merging columns

Splitters

Separate values

Dividing strings, splitting columns

Table 11.1: Brief overview of the techniques ...

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