Hi,
 
I have a piece of code that decides at runtime whether to load a data
package (and which package to load).
This is then done with a call to:
 
library(x)
 
(where x is a character variable containing the package name).
 
This causes R CMD check to throw out a warning:
'library' or 'required' calls not declared from:
x
 
Does anyone have any suggestions as to a fix or workaround for this?
 
Crispin
 
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