is.fullrank {limma} | R Documentation |
Test whether a numeric matrix has full column rank.
is.fullrank(x)
x |
a numeric matrix for vector |
This function is used to check the integrity of design matrices in limma, for example after subsetting operations.
TRUE
or FALSE
Gordon Smyth
# TRUE is.fullrank(1) is.fullrank(cbind(1,0:1)) # FALSE is.fullrank(0) is.fullrank(matrix(1,2,2))