This repo contains multiple statistical methods from the chm6165, all written in R. Some of the mathematical methods involved in each directory are listed.
- Correlation - correlation matrix, corrgram.
- Independent t-test - checking normality, homoscedasticity, qqplot.
- One way ANOVA - Posthoc test, grand mean, boxplot.
- Finding outliers - Grubb's test, Iglewicz and Hoaglin's robust test.
- Paired t-test - checking normality, homoscedasticity, shapiro-wilk
- Principle component analysis - screes and loading plot
- Regression - linear and quadratic regression, influence plot, hat values
- Two way ANOVA - boxplot, interaction plot, additive model, Posthoc test