log base for H'

Richard B. Aronson raronson at jaguar1.usouthal.edu
Sat Jan 5 17:35:50 EST 2002


No, it does not matter since they are multiples of each other.  What does
matter is calculating H' the same way as it is calculated for any
other datasets to which you are comparing your results.  Most people use
either log10 or loge.

Regards,

Rich Aronson

On Sat, 5 Jan 2002, LWSze wrote:

> Dear all,
>
> I have a small question here and would appreciate feed back from
> coral-listers:
>
> What is the influence of the base of logarithms used (log10, loge, log2)
to
> calculate the Shannon's diversity index for coral reefs?  What is the most
> appropriate log base to use for Shannon's index?
>
>
> best wishes,
> Wah Sze Lee
> Borneo Marine Research Institute
> Universiti Malaysia Sabah
> LB 2073
> 88999 KK SABAH
> MALAYSIA
>
>
>
>
>
>

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