| area | Estimate forest land area from FIADB |
| areaChange | Estimate land area change from the FIADB |
| biomass | Estimate tree biomass and carbon stocks from the FIADB |
| carbon | Estimate carbon stocks by IPCC forest carbon pools from the FIADB |
| clipFIA | Spatial and temporal queries for FIADB |
| countiesRI | County boundaries of Rhode Island |
| customPSE | Post-stratified estimator for custom variables in FIA Data |
| diversity | Estimate diversity from FIADB |
| dwm | Estimate volume, biomass, and carbon stocks of down woody material (fuels) from FIADB |
| fiaRI | FIADB for Rhode Island 2013 - 2018 |
| findEVALID | Find EVALIDs used in the FIADB |
| fsi | Estimate the Forest Stability Index from the FIADB |
| getDesignInfo | Extract design features for FIA inventories |
| getFIA | Download FIA Data and Load into R |
| growMort | Estimate growth, recruitment, mortality, and harvest rates from FIADB |
| intersectFIA | Intersect FIA data with spatial polygons |
| invasive | Estimate invasive species coverage from FIADB |
| makeClasses | Convert numeric variables to class intervals (factor) |
| plotFIA | Static and animated plots of FIA summaries |
| readFIA | Load FIA database into R environment from local directory |
| seedling | Estimate seedling abundance per acre from FIADB |
| standStruct | Estimate forest structural stage distribution from FIADB |
| tpa | Estimate trees per acre and basal area per acre from FIADB |
| vegStruct | Estimate vegation cover by canopy layer from FIADB |
| vitalRates | Estimate tree growth rates from FIADB |
| volume | Estimate merchantable tree volume from the FIADB |
| writeFIA | Write FIA tables to local directory |