# $\alpha$ and $\beta$ diversity indices from vector layer
# Compute diversity indices from a vector layer
The following code computes $\alpha$ and $\beta$ diversity from field plots and extracts the corresponding diversity indices from previouly computed `SpectralSpecies` raster in order to perform validation.
The following code computes $\alpha$ and $\beta$ diversity from field plots and extracts the corresponding diversity indices from previouly computed `SpectralSpecies` raster in order to perform validation.
```{r alpha and beta diversity indices from vector layer}
```{r alpha and beta diversity indices from vector layer}