R and Python Programming Practice
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Questions and Answers

What does a R program to remove white spaces for a string do?

  • Change all characters to white spaces
  • Add white spaces to the string
  • Remove all spaces from the string (correct)
  • Modify the string to include additional spaces

    • Which function is used in R to remove white spaces from a string?

  • add_spaces()
  • change_spaces()
  • remove_spaces()
  • strip_spaces()
  • gsub() (correct)

    • What is a possible misconception about removing white spaces from a string in R?

  • It doubles the space after each word (correct)
  • It removes only spaces at the beginning of a string
  • It removes all characters instead of just spaces
  • It replaces spaces with commas

    • How can removing white spaces from a string benefit data analysis in R?

    <p>Improves data processing efficiency</p> Signup and view all the answers

    What type of plot does the R program aim to represent in the text above?

    <p>Bar plot</p> Signup and view all the answers

    In the R program, what is the purpose of visualizing the pie chart for run genre of movies?

    <p>To represent categorical data</p> Signup and view all the answers

    What function could be used to combine two data frames in R as per the text?

    <p><code>merge()</code></p> Signup and view all the answers

    Which program is NOT mentioned in the text above for performing specific tasks?

    <p>Java Program</p> Signup and view all the answers

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