[R] Checking a package: "Foreign function calls without 'PACKAGE' argument:" - what must I do??

From: Søren Højsgaard <Soren.Hojsgaard_at_agrsci.dk>
Date: Fri 01 Sep 2006 - 09:19:00 GMT

In the process of checking a package, I get the warning  

Foreign function calls without 'PACKAGE' argument:
.Call("tr", ...)
.Call("trProd", ...)
See section 'System and foreign language interfaces' of the 'Writing R..  

These functions are called using the wrappers

trX <- function(x, package="gRcox") { .Call("tr", x, package="gRcox") } trXY <- function(x, y, package="gRcox") { .Call("trProd", x, y, package="gRcox") }  

I can't figure out what I am supposed to - and reading the specific section of "writing R extensions.." does not help me.  

Can anyone help?

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