estSimpsonf | R Documentation |
Estimation function for Simpson's index. Internal use in
sbdiv
for methods rpht
, tsht
,
asht
. Sums up species counts in each columns for every
treatment group and estimates Simpson's index on the resulting vectors
of summed up species counts.
estSimpsonf(X, f)
X |
|
f |
Factor variable comtaining treatment groups. Must be of length: replicates times treatment groups. |
estimate |
Estimated Simpson index for treatment groups |
varest |
Estimated variance of Simpson's index for treatment groups |
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