By dotCore
via izbicki.me
Submitted: Nov 25 2012 / 19:56
This is the first in a series of posts about the HLearn library for haskell that I’ve been working on for the past few months. The idea of the library is to show that abstract algebra—specifically monoids, groups, and homomorphisms—are useful not just in esoteric functional programming, but also in real world machine learning problems. In particular, by framing a learning algorithm according to these algebraic properties, we get three things for free: (1) an online version of the algorithm; (2) a parallel version of the algorithm; and (3) a procedure for cross-validation that runs asymptotically faster than the standard version.
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