fastcov {PCFAM}R Documentation

Fast covariance function

Description

This function can generate covariance matrix faster than the regular cov() function.

Usage

fastcov(X)

Arguments

X

input mxn data matrix

Value

Output nxn covariance matrix

Note

The input data matrix has to be column scaled in advance.

Author(s)

Yi-Hui Zhou,

References

Computation of ancestry scores with mixed families and unrelated individuals. arXiv:1606.08416.


[Package PCFAM version 1.0 Index]