stsm | R Documentation |
A function to compute the graph coordinated system with a stress majorization layout algorithm
stsm(net, seed = seed, maxiter = 40, drp, jitter, method, ...)
net |
an array representing the network relations |
seed |
(mandatory) the seed of the initial layout (see details) |
maxiter |
(optional) the maximum number of iterations |
drp |
(optional) for |
jitter |
(optional) jitter in the layout |
method |
(optional) initial distance method (default |
... |
Additional argument items |
This function is meant as an internal routine for graph visualization. However, it can be used with the coord
option both in multigraph
and in bmgraph
where NULL
in seed
implies a random seed based on the clock watch of the computer.
A data frame with a coordinated system with two columns representing the abscissa and the ordinate in a two-dimensional rectangular Cartesian coordinate system.
Antonio Rivero Ostoic
Gansner, E.R., Koren, Y., & North, S. Graph drawing by stress majorization. In Graph Drawing: 12th International Symposium, gd 2004, New York, NY, USA, September 29 - October 2, 2004, revised selected papers. Berlin Heidelberg: Springer. pp. 239-250. 2005.
multigraph
, bmgraph
, frcd
, conc
## Create the data: two binary relations among three elements
arr <- round( replace( array(runif(18), c(3,3,2)), array(runif(18),
c(3,3,2))>.5, 3 ) )
## Coordinates for the stress majorization layout with random start
coord <- stsm(arr, seed = NULL)
## Plot multigraph with customized coordinates
multigraph(arr, coord = coord)
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