Lecture notes

This page contains a list of selected lecture notes that are appropriate for multiple courses.

Categorical Data Analysis

This set of lecture notes uses data on incoming emails for the first three months of 2012 for David Diez’s (An Open Intro Statistics Textbook author) Gmail Account, early months of 2012. All personally identifiable information has been removed. email <- read.delim("https://norcalbiostat.netlify.com/data/email.txt", header=TRUE, sep="\t") email <- email %>% mutate(hasnum = ifelse(number %in% c("big", "small"), 1, 0)) Two categorical variables of current interest are spam (0/1 binary indicator if a an email is flagged as spam).

Guidelines for creating a good Scientific poster

Quick links to content on this page Templates: Templates so you don’t reinvent the wheel. Content: Sections within the poster Aestetics: Font, tables, graphics, colors, logos, Printing: Guidance, location and prices Evaluation: grading rubric Examples: Selected examples Templates Build your poster using a powerpoint template, not Google Slides. Trifold tabletop templates are seldom used. Choose either a three, or four column layout. Choose the correct scaling.

Writing about empirical research

Taken from Passion Driven Statistics 2014 ibook Purpose The goal of research is to disseminate your work and allow it to guide further study. As such, writing is an important and ongoing part of the research process. Successful empirical writing minimizes descriptive or complex language so methodologies, conclusions, and theories are accessible to readers from all areas of expertise. Although this sounds easy, it is difficult to write clearly and concisely—especially when writing an empirical paper for the first time.

Preparing Data for Analysis

Process Figure Credits: Practical Multivariate Analysis ed 5, Afifi, May, Clark. Reproducible Research You are your own collaborator 6 months from now. Make sure you will be able to understand what you were doing. Investing the time to do things clearly and in a reproducible manner will make your future self happy. Comment your code with explanations and instructions. How did you get from point A to B?

Literature Review

What is a literature review? Examination of the body of work that has been written about your topic In this context, it is a VERB (but it can also be a NOUN) Why do I need to do it? To understand the state of knowledge on your topic You must do this because others have researched something along the same lines as what you are interested in So you will be able to learn what methodologies, theories, or models others have applied to your research question It will help you ask your question better To refine (narrow, expand, focus, modify) your own research question To contribute to your area with something new, which is science!