qpDscale {qpgraph} | R Documentation |
Scales the values of a matrix by the values on the diagonal.
qpDscale(V)
V |
matrix with numerical values. |
The scaling of the values of the matrix by its diagonal is made using the outer product of the inverted square root of the diagonal.
A scaled matrix such that the diagonal values become the unit.
R. Castelo and A. Roverato
Castelo, R. and Roverato, A. A robust procedure for Gaussian graphical model search from microarray data with p larger than n. J. Mach. Learn. Res., 7:2621-2650, 2006.
m <- matrix(1:9, nrow=3) m qpDscale(m)