Expressions in expresssion passed to functions that return functions

October 5, 2009
By

(This article was first published on R Tips's blog, and kindly contributed to R-bloggers)

OK in the last two tips I explained how functions can return functions and how to leverage expressions. Now lets get complicated. This is really how my testing code works; expressions embeded in expressions that are passed to functions that return functions that do the actual testing.

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