RT @hadleywickham: @revodavid noooooooooooo. don't use strings + parse + eval. use calls + substitute + eval #rstats (there's also an R news article on macros)
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RT @hadleywickham: @revodavid noooooooooooo. don't use strings + parse + eval. use calls + substitute + eval #rstats (there's also an R news article on macros)