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Outdated release! Latest docs are Release 8.7: Transformation Reference

   

Contents:


This section contains reference information on the transformations available in the application. 

Tip: Use the values in the Title column as search strings in the Search panel to begin specifying these transformations.

TitleDescription

Add comment

Adds a comment to your recipe [comment]. See Add Comments to Your Recipe.

Change column type

Changes the data type of a column [settype]

Conditional column

Returns values based on conditions such as if-then-else or case statements. See Apply Conditional Transformations.

Convert patterns

Change format of specified values to match new patterns

Count matches

Counts the number of matches [countpattern]. Variant: Specify the pattern that matches the value you want to count.

Count matches between delimiters

Counts the number of matches [countpattern]. Variant: Specify the patterns that precede and/or follow the value you want to count.

Remove duplicate rows

Removes duplicate rows where values in every column are the same. See Remove Data.

New formula

Creates a new column with the result of a formula

Delete columns

Delete one or more columns. See Remove Data.

Extract text between delimiters

Extracts text found between two patterns

Extract text or pattern

Extract patterns. Variant: Custom text or pattern.

Extract the first n characters

Extracts text according to its position. Variant: Extract the first n characters.

Convert key/value pairs into Objects

Extracts key-value pairs into an Object [extractkv]

Extract the last n characters

Extracts text according to its position. Variant: Extract the last n characters.

Convert list into Array

Extracts a list into an Array [extractlist]

Extract characters between positions

Extracts text according to its position. Variant: Extract text between two positions.

Extract mismatched values

Extract patterns. Variant: Extract values that do not match a given data type.

Extract numbers from text

Extract patterns. Variant: Extract numbers from a text.

Extract HTTP query strings

Extract patterns. Variant: Extract fields from an URL query string.

Filter rows when value contains

Filter rows that satisfy a condition. Variant: Filter rows that contain a specified value or pattern. See Remove Data.

Filter rows using custom formula

Filter rows that satisfy a condition. Variant: Filter rows that satisfy an arbitrary formula. See Remove Data.

Filter rows when value ends with

Filter rows that satisfy a condition. Variant: Filter rows that ends with a specified value or pattern. See Remove Data.

Filter rows when value is exactly

Filter rows that satisfy a condition. Variant: Filter rows that match exactly a specified value. See Remove Data.

Filter rows from top

Filter rows by their position. Variant: Filter rows from the top. See Remove Data.

Filter rows when value is greater than

Filter rows that satisfy a condition. Variant: Filter rows with values greater than (or equal to) a specified value. See Remove Data.

Filter rows at regular interval

Filter rows by their position. Variant: Filter rows at a regular interval. See Remove Data.

Filter rows when value is less than

Filter rows that satisfy a condition. Variant: Filter rows with values less than (or equal to) a specified value.

Filter rows when value is missing

Filter rows that satisfy a condition. Variant: Filter rows with missing values.

Filter rows when value is mismatched

Filter rows that satisfy a condition. Variant: Filter rows with mismatched values.

Filter rows when value is one of

Filter rows that satisfy a condition. Variant: Filter rows that match any of the specified values.

Filter rows in range

Filter rows by their position. Variant: Filter rows within a range.

Filter rows when value starts with

Filter rows that satisfy a condition. Variant: Filter rows that starts with a specified value or pattern.

Expand Arrays into rows

Converts each element in an Array into a new row.

Join datasets

Adds additional columns from other data sources [join]. See Join Panel.

Convert text to lowercase

Format text in columns. Variant: Convert text in column to lowercase. See Standardize Non-Numeric Values.

Pad text with leading characters

Format text in columns. Variant: Add the necessary number of characters to each value to make them of the same length.

Merge columns

Concatenates the values from two or more columns into a new column [merge]

Move columns

Moves one or more columns before or after another column [move]

Nest columns into objects

Converts columns into an Object or Array [nest]

Pivot table

Creates a new column for each unique value in a column [pivot]

Add prefix to text

Format text in columns. Variant: Insert a custom text at the end of each value.

Convert text to Propercase

Format text in columns. Variant: Convert text in column to ProperCase. See  Standardize Non-Numeric Values .

Remove symbols from text

Format text in columns. Variant: Remove all non-alphanumerical characters from the text.

Remove whitespace from text

Format text in columns. Variant: Remove all whitespace found in the text.

Rename columns

Renames one or more columns [rename]. Variant: Specify the new name for each column.

Rename columns based on a pattern

Renames one or more columns [rename]. Variant: Specify a text or pattern to be replaced in each selected column name.

Rename columns with a prefix

Renames one or more columns [rename]. Variant: Specify a prefix to be added at the beginning of each selected column name.

Rename columns with a row

Renames one or more columns [rename]. Variant: Specify a row containing the names to be used as header.

Rename columns with a suffix

Renames one or more columns [rename]. Variant: Specify a suffix to be added at the end of each selected column name.

Replace text or pattern

Replace text matching a pattern

Replace between delimiters

Replace text between delimiters

Replace between positions

Replaces text based on position

Replace mismatched values

Replace mismatched values

Replace missing values

Replace missing values

Edit column with formula

Sets the values of one or more columns to the result of a formula [set]

Sort columns

Sorts the rows based on the values in one or more columns

NOTE: This transformation is not available in  Dataprep by Trifacta.

Split column on delimiter

Split by delimiter. Variant: By delimiter.

Split column between two delimiters

Split by delimiter. Variant: Between two delimiters.

Split column on multiple delimiters

Split by delimiter. Variant: By multiple delimiters.

Split column by positions

Split by character position. Variant: By positions.

Split column at regular interval

Split by character position. Variant: At regular interval.

Split column between positions

Split by character position. Variant: Between two positions.

Split raw data into rows

Splits raw data into rows [splitrows]

Add suffix to text

Format text in columns. Variant: Insert a custom text at the beginning of each value.

Trim whitespace

Format text in columns. Variant: Remove all whitespaces found at the beginning and end of the text. See Standardize Non-Numeric Values.

Trim quotes

Format text in columns. Variant: Remove quotes found at the beginning and end of the text.

Invoke external function

Creates a new column with the result of an external function

NOTE: This transformation is only available in  Trifacta® Self-Managed Enterprise Edition. It requires additional configuration.

Convert text to UPPERCASE

Format text in columns. Variant: Convert text in column to UPPERCASE. See  Standardize Non-Numeric Values .

Change date format

Change format for Datetime columns

Union datasets

Adds additional rows from other data source [union]. See Union Page.

Unnest Object elements

Extracts elements from an Object or Array into columns

Unpivot columns

Turns columns into rows. Produces a key column with the name of the original column and a value column with the original value.

Convert values to columns

Creates a new column for each unique value in a column [valuestocols]

Window

Performs row-based calculations across multiple ordered rows [window]

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