Class `bioindex_sparse`

## Slots

`alpha`

A sparse matrix with the richness of species per site

`omega`

A sparse matrix with the range size of every species

`wBeta`

A numeric value with Whittaker’s multiplicative beta index

`laBeta`

A numeric value with Lande’s additive beta index

`leBeta`

A numeric value with Legendre’s beta index

`nestedness`

A numeric value with Wright and Reeves' nestedness

`dispersion_field`

A sparse matrix with the set of ranges of all species that occur in at each locality

`richness_field`

A sparse matrix with the number of shared species in each site