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normalized_heat_kernel

Source: R/knn_weights.R
normalized_heat_kernel.Rd

normalized_heat_kernel

Usage

normalized_heat_kernel(x, sigma = 0.68, len)

Arguments

x

the distances

sigma

the bandwidth

len

the normalization factor (e.g. the length of the feature vectors)

Value

Numeric vector/matrix of normalized heat kernel values.

Examples

normalized_heat_kernel(c(1,2), sigma = .5, len = 4)
#> [1] 0.7788008 0.3678794