Computes covariance matrix for jackknife samples.
jackknife_cov(x, y = NULL, na.rm = FALSE, ...)
a numeric vector, matrix or data frame.
<U+2018>NULL<U+2019> (default) or a vector, matrix or data frame with compatible dimensions to <U+2018>x<U+2019>. The default is equivalent to <U+2018>y = x<U+2019> (but more efficient).
logical. The rows containing any NA
will be deleted if this
option is set.
parameters to be forwarded to cov.
returns a matrix corresponding to the jackknife estimate of the covariance matrix