hexDensity

Kernel density estimation with hexagonal grid for bivariate data. Hexagonal grid has many beneficial properties like equidistant neighbours and less edge bias, making it better for spatial analyses than the more commonly used rectangular grid. Carr, D. B. et al. (1987) doi:10.2307/2289444. Diggle, P. J. (2010) doi:10.1201/9781420072884. Hill, B. (2017) https://blog.bruce-hill.com/meandering-triangles. Jones, M. C. (1993) doi:10.1007/BF00147776.

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