It would be really nice if R warned you when packages had conflicting
methods. For example (and this took me a couple of hours to track
down), RMySQL and RPostgreSQL both define setMethod("print",
"dbObjectId"), so that:
library(RMySQL)
getMethod("print", "dbObjectId")
library(RPostgreSQL)
getMethod("print", "dbObjectId")
Obviously it's a bad idea to associate methods with classes that you
don't own, but it would be great if R could give some warning in this
situation.
Hadley
--
Chief Scientist, RStudio
http://had.co.nz/
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