Titlebook: R Quick Syntax Reference; A Pocket Guide to th Margot Tollefson Book 20192nd edition Margot Tollefson 2019 R.quick.syntax.reference.handboo

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https://doi.org/10.1007/978-1-4842-4405-0R; quick; syntax; reference; handbook; code; statistics; programming; data science; analytics

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Assignments and Operatorske working with information easier. This chapter covers assigning names to objects, listing and removing objects, and object operations. Part II (Chapters . and .) covers the possible forms of objects.

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Modes and Types of Objectsa new way to approach R programming. S3 is an earlier version. Both versions run concurrently. S4 offers powerful new methods, but to use those methods a solid knowledge of S3 is necessary. This book includes S4 syntax but focuses on S3 syntax.

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Exporting from R exporting objects, only command line R methods are covered here. In this chapter, we cover exporting to external files on the hard drive and to the console. You can find information about exporting to connections by entering . at the R prompt or by using the “Help” tab in R Studio.

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Flow Controlprogramming in the age of FORTRAN and BASIC, using loops is very comfortable. In R, the better choice, if possible, is to use arrays and index selection instead of looping. Using indices is much faster than looping.

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