tupla.matrix: Tupla Matrix
In gecko515/HEMDAG: Hierarchical Ensemble Methods for Directed Acyclic Graphs

Description Usage Arguments Details Value Examples

Transform a Weighted Adjacency Matrix (wadj matrix) of a graph in a tupla, i.e. as a sequences of rows separated by blank and the weight of the edges, e.g nodeX nodeY score.

1	tupla.matrix(m, output.file = "net.file.gz")

`m`	a weighted adjacency matrix of the graph. Rows and columns are examples. It must be a square named matrix.
`output.file`	name of the file of the to be written. The extension of the file can be or plain format (".txt") or compressed (".gz").

Only the non-zero interactions are kept, while the zero interactions are discarded. In other words in the output.file are reported only those nodes having a weight different from zero.

the weighted adjacency matrix as tupla is stored in the output.file.

data(wadj);
tmpdir <- paste0(tempdir(),"/");
tupla.matrix(W, output.file=paste0(tmpdir,"graph.edges.txt.gz"));
tupla.matrix(W, output.file=paste0(tmpdir,"graph.edges.txt"));