DeleteDuplicatesBy

Available

Like `DeleteDuplicates`, but compares elements by applying a function.

Forms

DeleteDuplicatesBy[data, f]

DeleteDuplicatesBy[f]

Verified examplesDeleteDuplicatesBy[{1, -1, 2, -2, 3}, Abs] → {1, 2, 3}

Run this on Qurak Search the reference

Topics

Function Composition And Operator Forms - Functions with Operator Forms
New In100 Alphabetical Listing - D
Rearranging And Restructuring Lists - Sequence-Oriented Operations
Tabular Objects - Rows by Value

Related

DeleteDuplicates CountDistinct CountDistinctBy DuplicateFreeQ GroupBy GatherBy Select SortBy AllMatch AllTrue AlphabeticSort AnyMatch

All 6300 functions · Use this from an MCP client