compress_field: Compress Field into Fewer Categories

In COMHIS/bibliographica: Bibliographic Data Analysis

Compress Field into Fewer Categories

Description

Merge the less common terms into a single group

Usage

compress_field(x, topn = NULL, min.freq = NULL, rest = "Other")

Arguments

x	Vector or factor.
topn	Number of top entries to include; or a character vector
min.freq	Minimum frequency for the included groups.
rest	Name to be used for the remaining entries

Details

With the min.freq argument, groups that have less items that this will be merged.

Value

Compressed version of the input.

Author(s)

Leo Lahti [e-mail]

References

See citation("bibliographica")

Examples

  p <- compress_field(c("A", "A", "A", "B","B","C", "D"),
         topn = 2, rest = "Other")
  p <- compress_field(c("A", "A", "A", "B","B","C", "D"),
         topn = c("A", "B"), rest = "Other")

COMHIS/bibliographica documentation built on April 11, 2022, 3:40 p.m.