RNewsflow (version 1.2.6)

only.first.match: Transform document network so that each document only matches the earliest dated matching document

Description

Transforms the network so that a document only has an edge to the earliest dated document it matches within the specified time window[^duplicate].

Usage

only.first.match(g)

Value

A network/graph in the igraph class

Arguments

g

A document similarity network, as created with newsflow.compare or document.network

Details

If there are multiple earliest dated documents (that is, having the same publication date) then edges to all earliest dated documents are kept.

Examples

data(docnet)

subcomp1 = igraph::decompose.graph(docnet)[[2]]
subcomp2 = only.first.match(subcomp1)

igraph::get.data.frame(subcomp1)
igraph::get.data.frame(subcomp2)

graphics::par(mfrow=c(2,1))
document.network.plot(subcomp1, main='All matches')
document.network.plot(subcomp2, main='Only first match')
graphics::par(mfrow=c(1,1))