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R Data Types Quiz
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R Data Types Quiz

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@SpectacularPyrope

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Questions and Answers

Which of the following is NOT a key purpose of R data types?

  • Effective memory consumption
  • Precise computation
  • Specifying the kind of data that can be stored in a variable
  • Declaring variable data types (correct)
  • What does DBMS stand for?

  • Database Management System (correct)
  • Data Browsing Management System
  • Data Based Management System
  • Data Backup Management System
  • Which of these statements about R variables is correct?

  • Variables in R are not needed to be declared with a data type (correct)
  • Variables in R can store different data types over time
  • Variables must be declared with a data type in R
  • Variables can only store data of a single data type
  • What is the significance of the #numeric data type var statement in the given text?

    <p>It is a comment indicating that the following code uses the numeric data type</p> Signup and view all the answers

    What is the primary purpose of selecting the right data type in R?

    <p>To enable effective memory consumption and precise computation</p> Signup and view all the answers

    What is the purpose of R data types?

    <p>To specify the kind of data that can be stored in a variable</p> Signup and view all the answers

    In R, are variables required to be declared with a specific data type?

    <p>No, variables do not need to declare a data type in R</p> Signup and view all the answers

    Why is selecting the right data type important in R programming?

    <p>To speed up computation</p> Signup and view all the answers

    Can the data type of a variable in R be changed once it is assigned?

    <p>Yes, always</p> Signup and view all the answers

    How do R data types help in managing variables?

    <p>By defining the kind of data that can be stored in a variable</p> Signup and view all the answers

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