link: Use the selected pairs to generate a linked data set
In reclin2: Record Linkage Toolkit

View source: R/link.R

link	R Documentation

Use the selected pairs to generate a linked data set

Description

Use the selected pairs to generate a linked data set

Usage

link(
  pairs,
  selection = NULL,
  all = FALSE,
  all_x = all,
  all_y = all,
  x = attr(pairs, "x"),
  y = attr(pairs, "y"),
  suffixes = c(".x", ".y"),
  keep_from_pairs = c(".x", ".y")
)

Arguments

`pairs`	a `pairs` object, such as generated by `pair_blocking`
`selection`	a logical variable with the same length as `pairs` has rows, or the name of such a variable in `pairs`. Pairs are only selected when `select` is `TRUE`. When missing `attr(pairs, "selection")` is used when available.
`all`	return all records from `x` and `y`; even those that don't match.
`all_x`	return all records from `x`.
`all_y`	return all records from `y`.
`x`	the first data set; when missing `attr(pairs, "x")` is used.
`y`	the second data set; when missing `attr(pairs, "y")` is used.
`suffixes`	a character vector of length 2 specifying the suffixes to be used for making unique the names of columns in the result.
`keep_from_pairs`	character vector with names of variables in `pairs` that should be included in the output.

Details

Uses the selected pairs to link the two data sets to each other. Renames variables that are in both data sets.

Value

Returns a data.table containing records from x and y and pairs. Columns that occur both in x and y gain a suffix indicating from which data set they are.