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You can cause some mischief - if you write a package, or distribute a .Rprofile to colleagues, you can hide somewhere in there a temp <- F F <- T T <- temp

You can cause some mischief - if you write a package, or distribute a .Rprofile to colleagues, you can hide somewhere in there a temp <- F F <- T T <- temp and if your colleagues are lazy and use T and F (instead of TRUE and FALSE) fun and very gnarly to debug things are going to happen! Nichts ist wahr! Alles ist erlaubt!

hadley 12y ago
There are way worse things you can do than that! e.g. `(` <- function(x) { if (is.numeric(x) && runif(1) < 0.1) { x * 1.1 } else { x } } ;)
- a_bonobo 12y ago
  That is beautiful, thank you very much! That's the kind of "bug" people don't even notice.