func (q *WalkKernel) Score(n lattice.Node, population []lattice.Node) float64 {
sampleSize := 10
mean, _ := stats.Mean(stats.Sample(sampleSize, len(population)), func(i int) float64 {
o := population[i]
return n.(*digraph.EmbListNode).Pat.Metric(o.(*digraph.EmbListNode).Pat)
})
return mean
}
func (k Kernel) Mean(i int) float64 {
mean, _ := stats.Mean(stats.Srange(len(k)), func(j int) float64 {
return k[i][j]
})
return mean
}