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Learning Bayesian Models with R by Dr. Hari M. Koduvely

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Managing data in R

Before we start any serious programming in R, we need to learn how to import data into an R environment and which data types R supports. Often, for a particular analysis, we will not use the entire dataset. Therefore, we need to also learn how to select a subset of the data for any analysis. This section will cover these aspects.

Data Types in R

R has five basic data types as follows:

  • Integer
  • Numeric (real)
  • Complex
  • Character
  • Logical (True/False)

The default representation of numbers in R is double precision real number (numeric). If you want an integer representation explicitly, you need to add the suffix L. For example, simply entering 1 on the command prompt will store 1 as a numeric object. To store 1 as an integer, you need to enter ...

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