Description Usage Arguments Details Value References See Also Examples
Segregation Matrix Index due to Freshtman (1997). A measure of network segregation. Currently (and originally) supports only two groups.
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object |
R object, see Details for available methods |
... |
other arguments passed to/from other methods |
normalize |
logical, whether normalized values should be returned,
defaults to |
vattr |
character, name of the node attribute designating groups |
The Segregation Matrix Index (SMI) is calculated for every group separately. It compares the density within group to the density of between group ties of nodes belonging to that group.
Non-normalized version is the ratio of the within-group density to the between-group density, so vary between 0 and infinity. The normalized version varies between 0 and 1.
Method for mixing matrices.
Method for igraphs
Numeric vector of length equal to the number of groups in g
according
to vattr
with the values of SMI for the groups.
Freshtman, M. (1997) "Cohesive Group Segregation Detection in a Social Network by the Segregation Matrix Index", Social Networks, 19:193–207
Other segregation measures: assort
,
coleman
, ei
,
freeman
, gamix
,
orwg
, ssi
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