Introduction to the R Language - Functions

Introduction to the R LanguageFunctionsBiostatistics R LanguageFunctionsFunctions are created using thefunction()directive and arestored as R objects just like anything else. In particular, they are Robjects of class function .f <- function(<arguments>) {## Do something interesting} Functions in R are first class objects , which means that they canbe treated much like any other R object. Importantly, Functions can be passed as arguments to other functionsFunctions can be nested, so that you can define a functioninside of another functionThe return value of a function is the last expression in the functionbody to be R LanguageFunction ArgumentsFunctions havenamed argumentswhich potentially argumentsare the arguments included in thefunction definitionTheformalsfunction returns a list of all the formalarguments of a functionNot every function call in R makes use of all the formalargumentsFunction arguments can bemi

Functions Functions are created using the function() directive and are stored as R objects just like anything else. In particular, they are R objects of class \function". f <- function(<arguments>) {## Do something interesting} Functions in R are \ rst class objects", which means that they can be treated much like any other R object. Importantly,

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