Programming terms (R-related)

Question 1

A script

Answer 1

A code file (written in the code editor)

Question 2

R

Answer 2

Programming language

Question 3

RStudio

Answer 3

A GUI (graphical user interface) for R code development

Question 4

Data types (4 types)

Answer 4

• Numerical (integers and floating points = numbers)
• Character (”symbols” and text)
• Factors (making text computable - For doing analysis with categories )
• Boolean (True or False)

Question 5

A variable

Answer 5

A “container” for storing data values in R (assigned with an arrow operator “- >”)

Question 6

A dataframe

Answer 6

It’s made up of rows and columns and organizes data into a table format.

Question 7

A vector

Answer 7

A sequence of data elements
Vectors can only be one data type (either character or numerical or Factors or Boolean)

Question 8

What is data mining?

Answer 8

Identifying patterns and relationships in data using statistics, data base systems, and sometimes machine learning with the goal to extract (or mine) valuable information from data so we can use it to understand what the data indicates about the world