| BTsubset_data | BioTIME subset | 
| BTsubset_meta | BioTIME subset metadata | 
| getAlphaMetrics | Alpha diversity metrics | 
| getBetaMetrics | Beta diversity metrics | 
| getLinearRegressions | Get Linear Regressions BioTIME | 
| gridding | gridding BioTIME data | 
| resampling | Rarefy BioTIME data to an equal number of samples per year | 
| scale_color_biotime | Scale construction for ggplot use | 
| scale_colour_biotime | Scale construction for ggplot use | 
| scale_fill_biotime | Scale construction for ggplot use |