| accel | Acceleration | 
| eval.stats | Predictive Modelling Evaluation Statistics | 
| NO2Emissions | NO2Emissions | 
| phi | Obtain the relevance of data points | 
| phi.control | Generation of relevance function | 
| phiPlot | Plot of phi versus y and boxplot of y | 
| ser | Non-Standard Evaluation Metrics | 
| sera | Squared Error-Relevance Area (SERA) |