Description Usage Arguments Details Value See Also Examples
Checks a covariance matrix and identifies variables which should be dropped due to zero variance or high dependence.
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cov |
a matrix. |
cut_point |
threshold which signifies two variables are highly dependent and one should be omitted. Specifically, when a group of variables are highly dependent, only the first variable is kept and all others are dropped. Defaults to 0.9999. |
Used to flag variables which will likely cause the covariance matrix to be singular or near singular; and hence, non-invertible.
remove_vars
locations of variables to be dropped.
remove_length
number of variables to be dropped.
remove_text
a message detailing the recommended action.
cov_diag_check
, cov_offdiag_check
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