OOP and Data Management Quiz

Front

Purpose of I/O operations in R?

Back

To read/write data to external files or console.

Front

Function to read a CSV in R?

Back

read.csv()

Front

'na.strings' in read.csv function

Back

Handles missing values

Front

Common R package for web scraping?

Back

rvest

Front

Equation for simple linear regression model?

Back

y = mx + c + e

Front

'legend' function in R graphics:

Back

Creates a descriptive legend for the plot.

Front

Function to add custom labels to a graph?

Back

text()

Front

Purpose of 'locator' function in R?

Back

Select points on a graph by clicking.

Front

Function to create a 3D surface plot in R?

Back

wireframe()

Front

'dev.off()' function?

Back

Closes the current graphics device.