ArcGis 10.1

Question

Does anyone know, or know how to check, which kernel density function estimator the the kernel density tool in Spatial Analyst, uses? Is it quartic? If not, is there a way to make it quartic?

I've seen discussions of old versions using quartic, but couldn't find anything about recent versions.

Thanks for you help.

EricRice · Answer

Did you read, How Kernel Density Works?

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

-Eric

chrisfisher · Answer

I had checked there, but they are referring to versions 8.x and 9.x; was curious if anyone knew about 10.1?Check http://forums.esri.com/Thread.asp?c=93&f=995&t=98735. 
Might be some answers there.

MarkBoucher · Answer

Check http://forums.esri.com/Thread.asp?c=93&f=995&t=98735. 
Might be some answers there.