calcIV | R Documentation |
| Calculates the Importance Value from three Site X Species data frames | One for abundance, one for basal area, one for presence-absence
calcIV(InCount, InSize, InPres)
InCount |
A |
InSize |
A |
InPres |
a |
Returns a data.frame
with the Importance Values for each species, the columns are "Species" with the name of each species, "Density" which is density IV, "Size" which is size IV, "Distribution" which is distribution IV and "Total" which is Density + Size +Distribution
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