Chapter 7
R Graphics The Graphic Environment R comes with a wide variety of graphical functions. The R default graphics package provide standard R graphics. Additional libraries such as lattice and ggplot provide specialized and often very attractive graphics. This chapter is...Chapter 6
Using R functions Mathematical Functions The names of the basic functions and mathematical operators in R follow the standards of programming languages. In this paragraph the functions and operators enabling basic mathematical operations to be performed will be dealt...Chapter 5
Data Import and Export Before all, it is strongly suggested to set the working directory to the directory containing the data. This can be done using the setwd() function > setwd(path\_to\_directory\_containing\_data\_folder) where...Chapter 4
R Data Objects There are different types of objects in R. The most used are: vectors, matrices, lists, factors, data frames. Vectors In R the simplest data structure is a vector. A vector is defined as an ordered sequence of elements of the same kind. A vector can be...We are part of
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