Re: Question on SmoothKernelDistribution, value of computed bandwidth? (vrs. 8.01)

*To*: mathgroup at smc.vnet.net*Subject*: [mg121461] Re: Question on SmoothKernelDistribution, value of computed bandwidth? (vrs. 8.01)*From*: Andy Ross <andyr at wolfram.com>*Date*: Fri, 16 Sep 2011 05:46:42 -0400 (EDT)*Delivered-to*: l-mathgroup@mail-archive0.wolfram.com

On 9/15/2011 3:38 AM, kristoph wrote: > Hi > > Regarding the function SmoothKernelDistribution I'm aware that it is > possible to compute the kernel pdf of some data. In order to do so > Mathematica computes the bandwidth parameter if it is not provided. > > I was wondering if it is possible to retrieve the value of the > computed bandwidth parameter somehow. I was unable to do so, but I > think it is possible since Mathematica is computing and using it in > order to compute the kernel pdf. > > Does anyone have an idea? Thanks in advance for help. > > Here is an example: > > data=RandomReal[1,1000]; > dist= SmoothKernelDistribution[data, > "LeastSquaresCrossValidation", "Epanechnikov"]; > Plot[PDF[dist, x], {x, -1, 1}, Filling -> Axis, Exclusions -> None] > > > > There is an undocumented way to extract it. Try dist["Bandwidth"] Andy Ross Wolfram Research