| measuRing-package | Detection and Control of Tree-Ring Widths on Scanned Image Sections | 
| colNarrow | Narrow rings | 
| crossRings | dplR crossdating | 
| dataSegments | Data segments | 
| grayDarker | Gray extremes | 
| graySmoothed | Smoothed gray | 
| imageTogray | Gray matrix | 
| lagIngray | First-local lag | 
| linearDetect | Linear detection | 
| measuRing | Detection and Control of Tree-Ring Widths on Scanned Image Sections | 
| multiDetect | Multiple detection of TRWs | 
| plotSegments | Image segments | 
| reduceList | ring-width object reduction | 
| ringBorders | Ring borders | 
| ringDetect | Single Detection of TRWs | 
| ringSelect | Visual selection | 
| ringWidths | Ring widths |