Function reference • areal

# Reference

## General Basic functions for areal interpolation
`ar_tessellate()` | Create Tessellations From SF Object
`ar_validate()` | Validating Data for Interpolation
## Areal Weighted Interpolation, Core Core functions for performing areal weighted interpolation.
`aw_interpolate()` | Interpolate Values
`aw_preview_weights()` | Preview Areal Weights
`aw_verify()` | Verify Correct Extensive-Sum Interpolation
## Areal Weighted Interpolation, Workflow Functions for manually reproducing areal weighted interpolation workflow.
`aw_intersect()` | Intersect Source and Target Data
`aw_total()` | Calculate Total Area
`aw_weight()` | Calculate Areal Weight
`aw_calculate()` | Calculate Estimated Population
`aw_aggregate()` | Aggregate Estimates Based on Target ID
## Data Data sets included in package.
`ar_stl_asthma` | Asthma in St. Louis by Census Tract, 2017
`ar_stl_race` | Race in St. Louis by Census Tract, 2017
`ar_stl_wards` | Ward Boundaries in St. Louis, 2010
`ar_stl_wardsClipped` | Clipped Ward Boundaries in St. Louis, 2010