| gcms_peak: GCMSPeak | A gcms peak feature | 
| as.quantify.ion | |
| SIMIonExtractor | |
| ScanIonExtractor | |
| parseContents | |
| contentTable | |
| read.raw | read gcms rawdata | 
| peakRaw | read raw peaks data | 
| linear_algorithm | create linear model handler | 
| linears | |
| ROIlist | do peak detection for gc-ms rawdata |