Keyphrases
- statistical tests
- source code
- open source
- change impact analysis
- statistically significant
- statistical analysis
- software systems
- hypothesis testing
- sample size
- static analysis
- statistical significance
- statistical methods
- software projects
- optimal solution
- software maintenance
- root cause analysis
- independent variables
- programming course
- impact analysis
- high level
- null hypothesis
- software repositories
- special case
- data model
- real world
- code reuse
- source code metrics