This repository contains the replication package for "Are Fix-Inducing Changes a Moving Target? A Longitudinal Case Study of Just-In-Time Defect Prediction". The package contains the JIT data and scripts that are needed to reproduce the Figures 5–8 from the paper.
The following tools were installed on the machine where the scripts were originally executed:
- R version 3.2.3
In addition, the following R packages were installed:
- Formula 1.2-1
- Hmisc 3.17-2
- ggplot2 2.0.0
- lattice 0.20-33
- rms 4.4-2
- SparseM 1.7
- scales 0.3.0
- survival 2.38-3
- zoo 1.7-12
The experiment has several configurable parameters. These can be changed by editing the scripts/experimental_setting.r file. The file contains the following options:
| Option | Description |
|---|---|
| FILE_THRESH | Commits that touch more files than this value will be filtered out. |
| CHURN_THRESH | Commits that touch more lines than this value will be filtered out. |
| PROJECT_NAME | The name of the project that should be loaded from the data folder. |
| STRATA_PER_YEAR | A parameter to control the number of strata that should be created in the JIT data per year. Value of 2 (six months) and 4 (three months) are shown in the paper. |
| METRICS_FAMILIES | A list of families of metrics that are included in the fits of the JIT models. |
| FITTOOL | The function that is used to fit the models. |
| FITTOOL_PARMS | The parameters to be included with the FITTOOL function when it is called. |
| SPL | The function that should be used to fit splines in non-linear fits. Set to a NOOP function (included in the template file) if you want to (a) turn off nonlinear fits; or (b) try another FITTOOL that does not support splining. |
In order to run the package, execute:
Rscript scripts/replicate.rIf you do make use of the dataset, please reference the original paper:
@article{mcintosh2018tse,
Author = {Shane McIntosh and Yasutaka Kamei},
Title = {{Are Fix-Inducing Changes a Moving Target? A Longitudinal Case Study of Just-In-Time Defect Prediction}},
Year = {2018},
Volume = {44},
Number = {5},
Journal = {IEEE Transactions on Software Engineering},
Pages = {412--428}
}
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