Compute the index 1 of Sokal and Sneath
$$
\frac{1}{4} \left( \frac{N_{11}}{N_{21}} + \frac{N_{11}}{N_{12}} +
\frac{N_{00}}{N'_{10}} + \frac{N_{00}}{N'_{01}} \right)
$$
Usage
sokalSneath1(p, q)
# S4 method for Partition,Partition
sokalSneath1(p, q)
# S4 method for PairCoefficients,missing
sokalSneath1(p, q = NULL)
Arguments
p
The partition \(P\) or an instance of PairCoefficients
q
The partition \(Q\) or NULL
Methods (by class)
p = Partition,q = Partition: Compute given two partitions
p = PairCoefficients,q = missing: Compute given the pair coefficients