Description Usage Arguments Value Author(s) See Also
The function is used to obtain the method of moments estimator within the function GVFCMOM
.
Calculates the expected value of the Visual Fast Count method.
The function assumes that the count per segment is Negative Binomial with mean m/s
and size k
,
and that segment counts are independent. The expected value is also a function of the number of positives
d
before segment counting is stopped.
1 | expected.nb(k, m, s, d)
|
k |
Size parameter of the Negative Binomial distribution |
m |
The mean of the Negative Binomial distribution per transect |
s |
The number of segments per transect |
d |
The number of positive counts before segment counting is stopped |
The expected value of the Visual Fast Count estimator
Jon Barry: Jon.Barry@cefas.co.uk
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