I'm having trouble getting the relaimpo package to use a covariance matrix as
input. I'm getting an error message that reads as follows:
Error in eval(m$weights, data, parent.frame()) :
numeric 'envir' arg not of length one
I'm guessing there is something wrong with the structure of my covar
I just discovered that even with this error message, relaimpo does run and
produce output objects that appear fine. It would be nice to know if this
error message is serious or not.
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View this message in context:
http://www.nabble.com/Using-a-covariance-matrix-as-input-to-relaimpo-package-tp
By trial and error I have discovered that it works if I don't use the formula
interface in combination with a covariance matrix as input.
If the covariance matrix has the dependent variable as its left-most
variable as the relaimpo documentation suggests, then the relaimpo package
will run by sim
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