Biostats Tutorials – MMG3002Y

This repository contains selected tutorials from MMG3002Y (Biological Statistics) at the University of Toronto. The focus is on applying statistical tests and evaluating linear models using R.

📁 Included Files

• tutorial09_wilcoxon_chi_square.Rmd: Wilcoxon and Chi-square tests with genomics-inspired data framing
• tutorial12_lm_diagnostics.Rmd: Linear modeling with diagnostic plots using the cars dataset
• figures/tutorial09_boxplot.png: Boxplot comparing group expression distributions with an outlier
• figures/tutorial12_residuals_plot.png: Residuals vs fitted values plot from linear regression

🧰 Tools Used

• R, RMarkdown
• Base R graphics + ggplot2
• t-tests, Wilcoxon tests, Chi-square tests, linear regression

🎯 Learning Reflections

These tutorials helped reinforce key statistical concepts:

• Wilcoxon’s robustness to outliers
• Chi-square goodness-of-fit applications in genetic ratios
• Importance of residual diagnostics in real-world modeling

🔒 Note

All code and reflections are original and created for course-based learning and portfolio use.