merge: Merge two tables

In basetable: Fast and Memory-Efficient Base R Table Manipulation

Merge two tables

Description

Merge two tables using shared keys.

Usage

merge(x, y, by = NULL, all = FALSE, all.x = all, all.y = all,
  sort = FALSE, suffixes = c(".x", ".y"))

Arguments

x, y	Data frames or data tables to merge.
by	Optional character vector of join columns.
all, all.x, all.y	Controls for keeping unmatched rows.
sort	Whether to sort the result.
suffixes	Suffixes used for overlapping column names.

Value

A basetable containing the merged rows.

basetable documentation built on Sept. 18, 2026, 9:13 a.m.