I have to calculate the Shannon index from some fieldwork I did a few days ago only I have a question. Do my proportions need to add up to 100% or is it OK if they add up to more than 100%? I'm presuming it needs it add up to 100% as my final answer comes up as about 5 which seems a rather high diversity reading for heathland! Anyone know? Thanks!
But did you bother to watch?