This contains the schoolwork of HKU course - Statistical Data Analysis.
analysis_boston_housing.Rmd contains statistical data analysis of Boston Housing Price Data.
review.Rmd contains the statistical data analysis cheatsheet, which is a condensed R codes for the course material.
- Descriptive stats
- Compare two groups og continuous variables
- Testing for group mean (1 group / 2 groups)
- ANOVA testing homogeneity of k pop means
- Compare Distribution of 2 groups
- Variance stablizing transformation
- Comparing 2 groups of CATEGORICAL
- Testing for one/two sample(s) case
- Linear Regression
- Model selection
- best subset selection
- Sequential selection method
- Model Diagnostics on model error
- Non-linearity
- Non-constant variance (Variance Stablising Transformation)
- Non-normality
- Unusual Observations: Outliers and influential observations
- Multicollinearity
- One Way ANOVA (multiple K groups)
- ANCOVA
- Two-way ANOVA
- Logistic Regression
- GLM
- Logistic regression model
- Goodness of fit tests
- Poisson log-linear model
- Model Rate data - Offset
- Over-dispersion