| Bal_XeeXhC | Spatial Variance Component for Balanced Panel |
| compute_conley_lfe | Compute Conley Standard Error for a Single Coefficient |
| conley_SE | Conley Spatial HAC Variance-Covariance Estimation |
| coords_as_columns | Extract Coordinates as Columns from an sf Object |
| covgm_range | Covariogram Range Estimation and Visualization |
| DistMat | Create Distance Matrix |
| extract_corr_range | Extract Correlation Range from a Correlogram or Covariogram |
| gravity_centroid | Weighted Mean Centre (Centre of Gravity) |
| grid_FE | Create Spatial Grid Fixed Effects |
| inverseu_plot_conleyrange | Inverse-U Plot of Conley Standard Errors vs. Cutoff Distance |
| lm_sac | Linear Model with Spatial Autocorrelation Diagnostics |
| TimeDist | Temporal Variance Component (Time Dimension) |
| US_counties_centroids | Centroids of Contiguous US Counties (2017) |
| XeeXhC | Spatial Variance Component (X'ee'X) |
| XeeXhC_Lg | Spatial Variance Component for Large Datasets |