Description Usage Arguments Details Value Author(s) References Examples
Normalize the transition matrix.
1 |
x |
object of class Transition*) |
... |
optional argument |
Normalization of the weighted adjacency matrix in the Transition*
object.
Matrix values are divided by their respective row-sums, column-sums, or the product of the square-roots of both (symmetric normalization).
The default method is row-normalization.
To use the other normalization methods, users can set the optional method
argument to either "col" or "symm".
For random walk calculations a symmetric matrix is needed (method = "symm"
).
TransitionLayer
object
Jacob van Etten jacobvanetten@yahoo.com
von Luxburg, U. 2007. A tutorial on spectral clustering. Statistics and Computing 17(4), 395-416. http://arxiv.org/PS_cache/arxiv/pdf/0711/0711.0189v1.pdf
Chung, F. 1997. Spectral Graph Theory. Conference Board of the Mathematical Sciences, Washington.
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