2011/9/6 Phil Steitz <phil.ste...@gmail.com>: > On 9/6/11 12:00 AM, Mikkel Meyer Andersen wrote: >> 2011/9/5 Phil Steitz <phil.ste...@gmail.com>: >>> I have a couple of proposals for this class: >>> >>> 0) Merge the interface and impl. This is consistent with what we >>> are doing in some other places where we have only one implementation. >> Fine with me. >>> 1) Extend this class to actually provide a distribution - i.e. >>> implement the Distribution interface. >> Won't we have problems, e.g. with implementing cumulativeProbability? > > The idea I had was to interpolate within bins. So to compute the > cdf at x you would find its bin, sum the mass (based on number of > original sample points contained, like the sampling does) of the > bins below its containing bin and then use the defined kernel within > bin to determine how much of its own bin's mass to include. Seems reasonable. But: We might want to include a user specified support - just simple (endpoints of an interval) - or else the highest and lowest value specifies the support which might not be a good idea. > >>> 2) make the kernel used within bins configurable. Currently, values >>> are generated (and the cdf would be computed) assuming a Gaussian >>> distribution within bins. I think at least a uniform option should >>> be provided. >> +1, maybe it can be generalised to providing user-defined kernels. > > Good idea. Need to think about how to enable that. > > Thanks! > > Phil >>> Thanks in advance for any feedback on this or further suggestions >>> for improvement. >>> >>> Phil >>> Cheers, Mikkel.
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