Titlebook: Metaprogramming in R; Advanced Statistical Thomas Mailund Book 2017 Thomas Mailund 2017 metaprogramming.R.programming.meta.code.statistics.

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Book 2017he R language, so you will write programs to manipulate other programs. .Metaprogramming in R. shows you how to treat code as data that you can generate, analyze, or modify. .R is a very high-level language where all operations are functions and all functions are data that can be manipulated. This b

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Inside a Function Call,ere). In the previous chapter, you saw how you could get hold of the formal parameters of a function, the body of the function, and the environment in which the function was defined. In this chapter, you will examine how you can access these, and more, from inside a function while the function is being evaluated.

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Expressions and Environments, chained together helps you understand how the language finds variables, and being able to create, manipulate, and chain together environments when evaluating expressions is a key trick for metaprogramming.

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Working with Substitutions,d a pairlist. Function calls include operators such as the arithmetic or logical operators because these are function calls as well in R, and control structures can be considered just a special kind of function calls—they only really differ from function calls in the syntax you use to invoke them.

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