PsyTeachR ADS Ch. 4

tabular data

Data in a rectangular table format, where each row has an entry for each column.

character

A data type representing strings of text.

extension

The end part of a file name that tells you what type of file it is (e.g., .R or .Rmd).

console

The pane in RStudio where you can type in commands and view output messages.

numeric

A data type representing a real decimal number or integer.

logical

A data type representing TRUE or FALSE values.

NA

A missing value that is “Not Available”

nominal

Categorical variables that don’t have an inherent order, such as types of animal.

data type

The kind of data represented by an object.

argument

A variable that provides input to a function.

integer

A data type representing whole numbers.

tidyverse

A set of R packages that help you create and work with tidy data

global environment

The interactive workspace where your script runs

URL

The address of a web page (uniform resource locator)

panes

RStudio is arranged with four window “panes”.

vector

A type of data structure that collects values with the same data type, like T/F values, numbers, or strings.

double

A data type representing a real decimal number

The end!