Introduction

R Setup

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Screenshot of the RStudio program.
R Studio Layout with three panes: Console, Environment and Plots

Packages in R

Vectors and variable types

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Projects

Data Visualization (1)

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GIF of Roy swearing.
Roy Kent saying Fuck

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This already provides us some more useful information. Roy seems to swear between 0 and 12 times most often and swears a lot in two episodes.

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Data Visualization (2)

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We can also adjust the size of the bins, not the number of bins by using the binwidth argument.

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Filtering data

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Creating new columns

Count and Summarize

Midterms

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Picture of intelligence test item in red
Intelligence Test (HeiQ) Item with red background

t-Test

Factor Analysis - Introduction & EFA

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Factor Analysis - CFA

Factor Analysis - Advanced Measurement Models