Author

Bill Perry

Every activity below pulls its number, title, and topic straight from that file’s YAML frontmatter (see order: and subtitle: in each activity .qmd). Nothing on this page is hand-typed.

Activity # Activity Topic
1 Measuring Leaves and Entering Data Field observations, hypotheses, and organizing data
2 Meeting R From the console to your first plot with the tree leaf data
3 Describing Our Data Wrangling, descriptive statistics, and first visualizations
4 Worksheet 04 — Testing Our Hypothesis The two-sample Welch’s t-test from assumptions to scientific report
5 Activity 4.5 — Build Your First Quarto Report Turn your leaf analysis into a professional Word document
6 Worksheet 05 — Linear Regression Building a calibration curve to predict leaf area from paper tracing mass
7 Worksheet 06 — Real Climate Data in R Downloading, summarizing, and modeling Duluth weather station data
8 Your Final Project Starts Now Finding real data, asking a real question, and building toward a real answer
9 Worksheet 07 — Wide, Long, and Wild: Pivoting Real Data Reshaping Lake Superior ice cover with pivot_longer() and pivot_wider()
10 Worksheet 10 — Factors: Ordering and Cleaning Categorical Data Reorder, rename, and lump penguin categories with forcats — for cleaner plots and models
11 Worksheet 11 — One-Way ANOVA with Palmer Penguins Comparing three species, checking assumptions, and post-hoc tests with emmeans
12 Worksheet 12 — Joins: Combining Two Bigfoot Tables Keys, mutating joins, and filtering joins to build a map-ready dataset
13 Worksheet 13 — Mapping Bigfoot Sightings Turn latitude/longitude into maps with sf and geom_sf, then build a per-state choropleth
14 Lecture 14  
15 Lecture 15 - Class Activity ANCOVA  
16 Lecture 16 - Class Activity MANOVA  
17 Lecture 17 - Class Activity PCA  
18 Lecture 18 - Class Activity: NMDS and PERMANOVA  
No matching items