Projects / libagf

libagf

libagf is a library of variable-bandwidth kernel estimators for statistical classification, PDF estimation, and interpolation/non-linear regression using both Gaussian kernels and k-nearest-neighbours. Statistical classification allows the use of a pre-trained model for considerable speed gains. Also included are clustering algorithms. It includes command line executables as well as easy-to-use libraries.

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RSS Last announcement

Progress report (or lack thereof...) 15 Mar 2012

I had hoped to have multi-class border-classification ready by now, but the simple generalization I had envisioned to implement it won't work in al...

RSS Recent releases

  •  15 Apr 2014 12:08

    Release Notes: New in this release is multi-class classification from binary classifiers using a recursive control language, and hierarchical clustering.

    •  12 Dec 2012 22:49

      Release Notes: This release has a new command for generating the Relative Operation Characteristic (ROC) function. There is also a shell script for validating probability density function estimates. Many bugs have been found and corrected.

      •  14 Sep 2012 21:12

        Release Notes: The k-nearest-neighbours routine is now based on a quicksort instead of a binary tree, and a weights calculation routine implemented that solves for the filter variance using the same root-finding algorithm (supernewton) as the class borders algorithm. To accommodate these changes, several options have been changed/added.

        •  27 Nov 2011 22:20

          Release Notes: Everything except the I/O routines has been templated. With the exception of those used in external routines, variable types in the main routines are now controlled with global typedefs, with each class of variable having a different type. Different metrics are now only supported in the routines where they make sense: KNN classification and KNN interpolation. The functions now require a pointer to the desired metric. The nfold routine now supports interpolation. Note that this is still not well tested (if at all).

          •  06 Nov 2007 07:18

          Release Notes: This release includes a basic quickstart guide to get new users up and running as well as a more in depth discussion of the theory. Classification algorithms are stable and run very well.

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