Instant R Starter by Unknown

Author:Unknown
Language: eng
Format: epub
Publisher: Packt Publishing

As you can see, different elements may be combined together in one list object. Each of the listed objects is indicated with a double set of square brackets [[]]. You can use such an index to access an object, or as an alternative, you can rename the elements of the list. In the following example, you will notice how you can access a specific element using its name and the operator $:

> myList <- list(element1, element2, element3) > myList[[3]] [,1] [,2] [,3] [1,] 1 4 7 [2,] 2 5 8 [3,] 3 6 9 > names(myList) <- c("Vector1","Vector2","Matrix") > myList$Matrix [,1] [,2] [,3] [1,] 1 4 7 [2,] 2 5 8 [3,] 3 6 9

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