8
 BIOSTATS 540 - Fall 2022 Introduction to Biostatistics Biostatistics and Epidemiology UMass Amherst
 Instructor: Carol Bigelow

For Students

Syllabus

This Week

Unit Lecture Notes

Unit Tests

Illustrations

Other Resources

Course Unit Pages

1. Summarizing Data

2. Data Visualization

3. Probability: Basics

4. Probabilities in Epidemiology

5. Populations and Samples

6. Bernoulli and Binomal Distributions

7. Normal Distribution

8. Statistical Literacy: Estimation and Hypothesis Testing

9. One Sample Inference

10. Two Sample Inference

11. Chi Square Tests

12. Simple Linear Regression and Correlation

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Unit 4. Probabilities in Epidemiology

1. Introduction
2. Learning Module
3. Activities
4. Resources

(1) Introduction
Video (source: Let's Learn Public Health Series) Epidemiological Studies Made Easy (video, 9:52)
Video (source: Christine Rabinak) Relative Risk and Odds Ratio (video, 8:55)
Video (source: 3Blue1Brown) Bayes Theorem (video, 15:45)
ppt INTRODUCTION (Source: Thomas Songer, University of Pittsburgh) Measures of Association (pdf, 36 slides)
STATISTICS IN PRACTICE (Source: Kievit RA et al 2013 Frontiers in Psychology Vol 4.) Simpson's Paradox in Psychological Science: A Practical Guide (pdf, 14 pp)
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(2) Learning Module
BIOSTATS 540 Fall 2022 Course Notes 4. Probabilities in Epidemiology (pdf, 27 pp)
Homework Questions are embedded in the lecture notes
Due Friday October 14, 2022
Last date for submission with NO LOSS of points: Monday October 17, 2022
Last date submission for credit (-20 points): Friday October 21, 2022
SOLUTIONS to homework (pdf, 9 pp)
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Online Computing Tools

Diagnostic Tests/Screening
Vassar Stats
http://vassarstats.net/clin1.html

MedCalc
https://www.medcalc.org/calc/diagnostic_test.php

2x2 Epidemiologic Table
Vassar Stats
(1) At left, click on Clinical Research Calculators
(2) Next, at top click on Calculator 3
http://vassarstats.net

EpiTools
https://epitools.ausvet.com.au/twobytwotable

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(3) Activities
Art of Stat (Source: http://www.artofstat.com) Association Between Two Categorical Variables (html)
R Users
Fall 2022 Learn R 07 - The 2x2 Table (pdf, 10 pp)
Learning Module and Screening Calculator (Source: Boston University SPH) Evaluating Screening Tests (html)

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(4) Resources
Video (source: Let's Learn Public Health Series) Epidemiological Studies Made Easy (video, 9:52)
Video
(source: Christine Rabinak) Relative Risk and Odds Ratio (video, 8:55)
(Source: http://www.sjsu.edu/faculty/gerstman/eks/formula_sheet.pdf) Formulas for Epidemiology Kept Simple (pdf, 7 pp)
VIDEO (source: 3Blue1Brown) Bayes Theorem (video, 15:45)
VIDEO (Source: Patrick JMT) Bayes' Theorem and Cancer Screening- 9:55 minute video
(html)
(Source: Norman Fenton, Queen Mary University of London) One page explanation of Bayes Rule (html)
ppt INTRODUCTION (Source: Thomas Songer, University of Pittsburgh) Measures of Association (pdf, 36 slides)
(Source: Frances Boreland at University of Sydney, 2005) Measures of Frequency and Association - 35 easy to read slides(pdf)

 Copyright 2022 University of Massachusetts, Amherst. This is the course web site for BIOSTATS 540W, Biostatistics and Epidemiology. Produced and maintained by the School of Public Health and Health Sciences. Send comments or questions about this web site to cbigelow@schoolph.umass.edu. Page updated: December 6, 2022