r-devel,
In a development version of the CRAN package metrumrg, I write ...
require(reshape)
setGeneric('cast')
setOldClass(c('keyed','data.frame'))
setMethod('cast','keyed', function ...)
The result is satisfactory when sourcing the code directly, but when
checking the package (which has 'reshape' as a dependency in the
DESCRIPTION file) I get the following:
"Error in setGeneric("cast") : must supply a function skeleton for
???cast???, explicitly or via an existing function."
The help for setGeneric() seems to suggest that no function skeleton is
needed when creating a generic for a function defined in some other
package. I found one or two previous related posts, but no obvious
resolution.
Comments appreciated,
Tim Bergsma, PhD
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