timeline: Retrieve Timeline

In rOpenGov/bibliographica: Bibliographic Data Analysis

Retrieve Timeline

Description

Timeline data for selected variable (possibly across various groups).

Usage

timeline(
  x,
  field = "titlecount",
  group = NULL,
  nmin = 0,
  mode = "absolute",
  time.window = 10,
  time.field = "publication_year"
)

Arguments

x	data frame
field	Numeric field to summarize in the timeline. The number of entries (title count) per decade is used by default. If this argument is used, the sum of entries per decade for this field is given.
group	Optional. Name for a data field that indicates groups to compare.
nmin	Include only entries with at least nmin absolute frequency
mode	"absolute" or "relative"
time.window	Time window for the timeline in years. Default: 10 (publication decade).
time.field	Specify the field to be used for time. By default: "publication_year", or if time.window is 10, then "publication_decade"

Value

data.frame

Author(s)

Leo Lahti [e-mail]

References

See citation("bibliographica")

Examples

## Not run: timeline(df, "gatherings")

rOpenGov/bibliographica documentation built on April 10, 2022, 8:51 p.m.