Flashcard - Introduction to R

Front

What command is used to clear the console in R?

Back

Ctrl + L

Front

How do you create a vector in R?

Back

Use the c() function, e.g., c(1, 2, 3).

Front

What does the str() function do in R?

Back

It displays the structure of an object.

Front

How do you install a package in R?

Back

Use install.packages('package_name').

Front

True or False: R is widely used by researchers for statistical analysis.

Back

True.

Front

What is the purpose of the c() function in R?

Back

To combine values into a vector.

Front

What does the summary() function do in R?

Back

It provides a summary of the statistical properties of an object.

Front

How can you check the working directory in R?

Back

Use the getwd() function.

Front

What function is used to read a CSV file in R?

Back

Use read.csv('file_name.csv').

Front

What is the purpose of the plot() function in R?

Back

To create a visual representation of data.