xrsx_xrsy {pleiotest} | R Documentation |
internal function to calculate crossproducts within pleioR.
xrsx_xrsy(id_matrix, sets_rs, xx, xy)
id_matrix |
matrix of IDs |
sets_rs |
list of inverses of matrix R |
xx |
numeric vector with crossproducts of the X matrix |
xy |
matrix with X transpose Y products. |