Lab-1: Describing Visualizations

Lab-Lecture

Dr. Elijah Meyer

Duke University
STA 199 - Spring 2023

January 24, 2023

Checklist

– Go to the course GitHub org and find your lab-01 (repo name will be suffixed with your GitHub name).

– Clone the repo in your container, open the Quarto document in the repo

Announcements

– Labs due Fri (11:59) - Gradescope

– Do not forget to select pages!!

Formatting Demo

– Add a line in your qmd file to signal when code starts to fall off the page

Describing Visualizations

Describing Visualizations

When able…

– shape

– center

– spread

– outliers

Shape

We often talk about skew when describing shape of data

– Positive Skew (Right Skew)

– Negative Skew (Left Skew)

– Roughlyl Symmentric

Outliers

A data point that does not follow the general trend of the data

Center

– What’s the mean

– What’s the median

Spread (More Coming Later!)

How spread out things are…

– Standard deviation

– IQR