Description Usage Arguments Details References See Also Examples
Display the pattern of non-zero entries of
a matrix of class matrix.csr
.
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x |
a matrix of class |
col |
a list of colors such as that generated by |
xlab,ylab |
each a character string giving the labels for the x and y axis. |
... |
additional arguments. |
The pattern of the non-zero entries of a sparse matrix is displayed. By default nonzero entries of the matrix appear as gray blocks and zero entries as white background.
Koenker, R and Ng, P. (2002).
SparseM: A Sparse Matrix Package for R,
http://www.econ.uiuc.edu/~roger/research/home.html
SparseM.ops
,
SparseM.solve
,
SparseM.ontology
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