| electivity-package | Algorithms for electivity indices and measures of resource use versus availability. |
| chesson_alpha | Chesson's alpha, or Vanderploeg and Scavia's selectivity coefficient (W) |
| electivity | Algorithms for electivity indices and measures of resource use versus availability. |
| ivlev_electivity | Ivlev's electivity, E |
| ivlev_forage | Ivlev's forage ratio, E' |
| jacob_electivity | Jacob's modified electivity, D |
| jacob_forage | Jacob's modified forage ratio, Q |
| moth_distrib | Distribution of gypsy moth larvae, Lymantria dispar, feeding in a deciduous forest in southwestern Quebec, Canada. |
| moth_elect | Electivities of gypsy moth larvae |
| strauss_linear | Strauss' linear index, L |
| vs_electivity | Vanderploeg and Scavia's relativised electivity, E* |
| vs_select_coef | Chesson's alpha, or Vanderploeg and Scavia's selectivity coefficient (W) |