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I know that there are several types of kernel density functions, such as uniform, cosine, Gaussian, etc. I was just wondering which one the "Kernel Density" functionality in ArcMap 10's Spatial Analyst uses?


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I reverse-engineered this many years ago (in Spatial Analyst 1.0); a detailed, illustrated explanation is at Presumably it still applies. – whuber Aug 28 '12 at 16:06
up vote 11 down vote accepted

Silverman quadratic "The kernel function is based on the quadratic kernel function described in Silverman (1986, p. 76, equation 4.5)."

The reference is to this book:

on page 76, equation 4.5

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