Public Health Night School

Public Health Night School

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Public Health Night School
Public Health Night School
One Big Post to End Biostats Night School
Biostatistics

One Big Post to End Biostats Night School

Let's put it all together and do some work in R. Lots of code and videos coming your way!

Jul 21, 2025
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Public Health Night School
Public Health Night School
One Big Post to End Biostats Night School
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Welcome to the final post of Biostats Night School! If you made it this far, congratulations. Over the past weeks, we’ve explored the fundamental tools of biostatistics, and now it’s time to bring it all together. In this post, we’ll walk through every major concept using a fictional dataset we created specifically for this class. Think of this as your grand tour through the world of biostatistics, one thoughtful step at a time.

A black-and-white cartoon shows three explorers cautiously crossing a rope bridge over a river filled with open-mouthed alligators. The bridge consists of wooden planks, each labeled with a biostatistics term like “MEAN,” “P-VALUE,” “STANDARD DEVIATION,” “REGRESSION,” and “CONFIDENCE INTERVAL.” The explorers wear safari gear and backpacks, and the scene is surrounded by dense jungle foliage.
Tread carefully!

Meet the Data

Our dataset includes 500 made-up individuals. Each person has information about their age, gender, race, ethnicity, BMI, blood pressure, cholesterol level, smoking status, disease diagnosis, treatment group assignment, and whether they were flagged as high risk. This isn’t real data, but it was designed to feel real—messy, imperfect, and full of stories waiting to be uncovered.

You can download the data (.csv file) here: http://bit.ly/3TErs7B

library(tidyverse)
library(janitor)
data <- read_csv("Biostatistics_Teaching_Dataset.csv") %>% clean_names()

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