Two dimensional KDE

ROOT
1

Hi,

I see there is a class for 1D KDEs called TKDE, is there anything available for 2D KDEs?

If not available in ROOT any suggestions on others who may provide a class?

Thanks

2

I’ve found a presentation from 2010 referring to it:
http://indico3.twgrid.org/indico/getFile.py/access?contribId=151&resId=0&materialId=slides&confId=3
and I also see it listed on the What we are working on page:
http://root.cern.ch/drupal/content/what-are-we-working

Does anyone have a status update?

Thanks.

3

I also see that it is a feature request in JIRA https://sft.its.cern.ch/jira/browse/ROOT-78

And the status was that work should have ended in June 2013, any comment on progress?

4

Just another poke and prod to see if there is any movement on this.

Thanks

5

Almost another year and still no response. Any news?

6

Sorry for this delay. Surely your post was forget.
We will come back here.

7

Hi,

Sorry for the delay. We have in RooFit a n-dimensional kernel density estimator class, RooNDKeysPdf.
The class is not very efficient, especially if you have a large amount of data.
We are planning to have a new one based on TKDTree, but so far we did not have the resources to develop it. We are planning to allocate a student to work on this during the next summer.
We will let you know as soon we have something ready to be used

Best Regards

Lorenzo