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A Review of ALNBench by Dendronic Systems Inc.

A Review of ALNBench by Dendronic Systems Inc. Bruce Matichuk Shengjiu Wang. Overview. What is ALNBench? Motivation/Applications Theory of Multidimensional Piecewise Linear Regression Components of ALNBench Demonstration Questions. What is ALNBench. Automated Learning Nets

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A Review of ALNBench by Dendronic Systems Inc.

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  1. A Review of ALNBench by Dendronic Systems Inc. Bruce Matichuk Shengjiu Wang

  2. Overview • What is ALNBench? • Motivation/Applications • Theory of Multidimensional Piecewise Linear Regression • Components of ALNBench • Demonstration • Questions

  3. What is ALNBench • Automated Learning Nets • Tool that automates the creation of multidimensional linear regression models • Facilitates use of “learned” model • Also contains API for building “learning” applications

  4. MPLR Model • Consists of a set of linear pieces MAX (a, b, c, d) defines convex-down function MAX (MIN (a, b, c), MIN (d, e, f, g)) defines a function with two bumps

  5. Neural Network Advantages Over Direct Programming • Less time to build solution • Easier • less code • less setup • Ability to solve hard problems

  6. Advantages of ALNs Over Neural Networks • Safety • Speed • Scalability • Broad domain applicability • Embedding expert knowledge • Function inversion • Ease of understanding

  7. Other Advantages Include • Uses arbitrary ranges of data values. • Grows the architecture automatically. • Allows the user to easily set the parameters. • Trains and evaluates at high speed. • Tells the user the sensitivity of the output to each input in different parts of the input space. • Gives the user unprecedented control over the learned function

  8. Applications • Analysis • Prediction • Control

  9. Views • Workspace View • Charts View • Report View • LF Statistics View • Log View

  10. Steps to Using ALNBench • Create the ALN • Load in the training and test data • Set the ALN training parameters • Train the ALN • Examine the results • Test other data sets against learned model • Save the .alb file

  11. Demonstration • United States Total Stock Returns, 1871-1998

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