PsyTeachR FQA Ch. 1

environment

A data structure that contains R objects such as variables and functions

tidyverse

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

script

A plain-text file that contains commands in a coding language, such as R.

mean

A descriptive statistic that measures the average value of a set of numbers.

assignment operator

The symbol <-, which functions like = and assigns the value on the right to the object on the left

R markdown

The R-specific version of markdown: a way to specify formatting, such as headers, paragraphs, lists, bolding, and links, as well as code blocks and inline code.

package

A group of R functions.

function

A named section of code that can be reused.

normal distribution

A symmetric distribution of data where values near the centre are most probable.

argument

A variable that provides input to a function.

console

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

default value

A value that a function uses for an argument if it is skipped.

standard deviation

A descriptive statistic that measures how spread out data are relative to the mean.

object

A word that identifies and stores the value of some data for later use.

base R

The set of R functions that come with a basic installation of R, before you add external packages

RStudio

An integrated development environment (IDE) that helps you process R code.

The end!