r lab

In 1991, R was created by Ross Ihaka and Robert Gentleman in the Department of Statistics at the University of _________

• a) John Hopkins

• b) California

• c) Harvard

• d) Auckland

R is technically much closer to the Scheme language than it is to the original _____ language.

• a) B

• b) C

• c) C++

• d) S

Which of the following describes R language?

• a) Free

• b) Paid

• c) Available for free trial only

• d) Testing

Which of the following is NOT a feature of R?

• A. It is open-source and free

• B. It provides tools for data visualization

• C. It is mainly used for web development

• 
  D. It supports various statistical techniques

What is one key reason R is widely used in data science?

• A. It runs only on Windows

• 
  B. It is a proprietary language

• C. It supports machine learning and statistical techniques

• D. It is mainly for database management

What is the primary purpose of the R programming language?

• A. Building mobile applications

• B. Designing websites

• C. Statistical computing and graphical presentation

• D. Developing video games

Which of the following is the first step in a data science project?

• a) Modeling

• b) Data Cleaning

• c) Problem Definition

• d) Data Visualization

Which of the following is NOT part of the data science lifecycle?

• a) Data Preparation

• b) Deployment

• c) Marketing Strategy

• d) Modeling

Which Python library is used for data manipulation?

• a) NumPy

• b) Matplotlib

• c) Pandas

• d) Seaborn

Which library is used for numerical computation in Python?

• a) Scikit-learn

• b) NumPy

• c) Pandas

• d) Matplotlib