compress_ids {tnet}

Remove non-active nodes from one-mode/two-mode/longitudinal networks

Description

The compress_ids function removes non-active nodes from one-mode/two-mode/longitudinal networks.

Usage

compress_ids(net,type=NULL)

Arguments

net

A network in an edgelist or matrix format. See as.tnet

type

See as.tnet

Value

Returns a list with either 2 or 3 objects. The first one is the network with the compressed id. The second object is the translation table between the original node identification numbers and the newly assigned. For two-mode networks, the second object is the translation table of the primary nodes, and the third object is the translation table for the secondary nodes .

Note

version 1.0.0

Author(s)

Tore Opsahl; http://toreopsahl.com

References

http://toreopsahl.com/

Examples

## Load sample data
t <- c("2007-09-12 13:45:00",
  "2007-09-12 13:45:00",
  "2007-09-12 13:45:01",
  "2007-09-12 13:46:31",
  "2007-09-12 13:46:31",
  "2007-09-12 13:47:54",
  "2007-09-12 13:48:21",
  "2007-09-12 13:49:27",
  "2007-09-12 13:49:27",
  "2007-09-12 13:52:17",
  "2007-09-12 13:56:59",
  "2007-09-12 13:58:14")
i <- c(1,2,1,3,1,2,3,5,1,3,1,1);
j <- c(1,2,2,3,3,1,2,5,5,2,3,5);
w <- c(1,1,1,1,1,1,1,1,1,1,1,1);
samplenet <- data.frame(t, i, j, w);

## Run the function
compress_ids(samplenet)