[R] KDE routines for data that is aggregated

Saptarshi Guha saptarshi.guha at gmail.com
Tue Sep 9 01:57:12 CEST 2014

Couldn't think of a better subject line. Rather than a matrix like


I have a matrix like

and so on. Also, sum(n) is roughly few hundred million. The number of rows
is <1MM

Are they routines to fit a 2d kde estimate to data provided in this form?
I can sample from the data according to weights given by 'n' but i am
curious if there is something that can use all the data when given a
structure of this form.


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