Introduction to R for Data Analytics
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Questions and Answers

What is R?

  • A paid programming language for statistical computing and graphics
  • A closed source programming language for statistical computing and graphics
  • A limited programming language for statistical computing and graphics
  • A free and open source programming language for statistical computing and graphics (correct)

How many packages are currently available in R?

  • Over 5000 packages
  • Over 8000 packages
  • Over 15000 packages
  • Over 12000 packages (correct)

What type of data is described as strictly numeric and can be measured?

  • Qualitative (Categorical) data
  • Observed and not measured data
  • Descriptive data
  • Quantitative (Numeric) data (correct)

What does a numerical summary provide an overview of?

<p>$It provides an overview of quantitative data$ (D)</p> Signup and view all the answers

Why is R built?

<p>$To handle and analyze data$ (A)</p> Signup and view all the answers

What is R primarily used for?

<p>Statistical computing and graphics (A)</p> Signup and view all the answers

How many packages are currently available in R?

<p>Over 12000 (A)</p> Signup and view all the answers

What type of data is strictly numeric and can be measured?

<p>Quantitative (D)</p> Signup and view all the answers

What does a numerical summary provide an overview of?

<p>Data without examining all values (D)</p> Signup and view all the answers

Which companies use R for statistical analysis?

<p>$ ext{Microsoft}$, $ ext{Google}$, $ ext{Facebook}$ (C)</p> Signup and view all the answers

What is the primary use of R?

<p>Statistical computing and graphics (B)</p> Signup and view all the answers

How many packages are currently available in R?

<p>Over 12000 (C)</p> Signup and view all the answers

What types of data are considered qualitative (categorical)?

<p>Descriptions or groups, observed and not measured (B)</p> Signup and view all the answers

What does a numerical summary provide an overview of?

<p>Data to help understand it without examining all data values (D)</p> Signup and view all the answers

Why is R built?

<p>To handle and analyze data (B)</p> Signup and view all the answers

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