QuACK 2020 workshop materials

QuACK is a data-analysis workshop series for incoming psychology grads, created by and taught by Psych grads! Follow the links below to access lessons, worksheets, and answer keys.

2020 Schedule

If you are new to R we recommend working through the topics in order

Week	Topic	Agenda
Week 1	Intro to R & Programming,[slides]	Datatypes; Operators; Vectors & Indexing; Levels & Factors
Week 2	Github & Dataframes, [slides]	Intro to using Github; Reading-in data; Accessing dataframes; viewing/summarizing data
Week 3	Logic & Data cleaning (base R), [slides]	logic operators; vectorization; logical indexing; missing values; subsetting dataframes
Week 4	Data cleaning (dplyr)	tidyverse; grouping & filtering; pipes
Week 5	Tidyverse cont	tidyverse cont.
Week 6	Intro to Data visualization & Data Reshaping	Plotting in base R; organizing and reshaping data; formatting data for visualization
Week 7	Data visualization - part 2, [slides]	Markdown; Visualizing data; ggplot challenge!
Week 8	Intro to for loops, [slides]	Iterating over vectors; for loops
Week 9	For loops- part 2, [slides]	For loops cont.; storing output; nested for loops
Week 10	Functions	why use functions; building blocks of functions; writing a function
Week 11	Math Notation, [slides]	Summation (sigma); implementation in R
Week 12	Math Notation cont., [slides]	set theory; properties of logs and exponents
Week 13	Racism in statistics	Discussion

Additional Resources

• info session slides.
• installing git
• Connect to GitHub with SSH