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Kelly Black

R Object-oriented Programming

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R is best suited to produce data and visual analytics through customizable scripts and commands, instead of typical statistical tools that provide tick boxes and drop-down menus for users. The book is divided into three parts to help you perform these steps. It starts by providing you with an overview of the basic data types, data structures, and tools available in R that are used to solve common tasks. It then moves on to offer insights and examples on object-oriented programming with R; this includes an introduction to the basic control structures available in R with examples. It also includes details on how to implement S3 and S4 classes. Finally, the book provides three detailed examples that demonstrate how to bring all of these ideas together.
203 štampane stranice
Godina izdavanja
2014
Izdavač
Packt Publishing

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  • DDaudalagidje citiraoпре 6 дана
    The function takes at least three arguments. The first is the data to apply an operation, the second is the set of factors that defines how the data is organized with respect to the different levels, and the third is the operation to perform.
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    • DDaudalagidje citiraoпре 6 дана
      The apply command is used to apply a given function across a given margin of an array or table. For example, to take the sum of a row or column from a two way table, use the apply command with arguments for the table, the sum command, and which dimension to use:
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      • DDaudalagidje citiraoпре 7 дана
        The rows and columns of the table have names associated with them, and the rownames and colnames commands can be used to assign the names. These commands are similar to the names command.
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