reduceM {PCpheno} | R Documentation |
Resize a matrix to the number of rows commun to a vector.
reduceM(x, mat, threshold=0)
x |
Character or numeric vector. |
mat |
Matrix sharing rownames with the supplied vextor x. |
threshold |
Threshold upon column. Only the columns with a
colSums above the threshold are kept. |
Resized matrix.
N. LeMeur
mat <- matrix(c(1:25), nrow = 5, ncol = 5, dimnames = list(c(LETTERS[1:5]), c(1:5))) xx <- LETTERS[c(2, 4, 5)] reduceM(xx, mat)