On Oct 11, 2010, at 10:27 AM, Barth B. Riley wrote:
Dear all
I am trying to use the cov function in the stats library. I have no
problem using this function from the console. However, in my R
script I received a "function not found" message. Then I called
stats::cov(...) and received an error message that the function was
not exported. Then I tried stats:::cov (three colons) and received
the error
Error in get(name, envir = asNamespace(pkg), inherits = FALSE) :
object 'Cov' not found
You are misspelling it. R is case-sensitive.
I am also importing the ltm library, though I'm not aware of a cov
function in ltm that could be causing a conflict. Any suggestions?
Thanks
Barth
David Winsemius, MD
West Hartford, CT
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