neural networks

The real end of science is the honor of the human mind - Carl Jacobi

General optimisation/AI resources

Special topics

Selected articles | References | Journals | Software | Links

Selected articles

(May take a while to download these PDFs)

Genetic Programming of Minimal Neural Nets Using Occam's Razor describes a genetic program\ming method for constructing minimal neural networks. Using an Occam's razor in the fitness function, the method prefers a simple network architecture to a complex one.

Designing a neural network for forecasting economic time series. Excellent paper with many general hints and tips. An essential introduction.

Essential reading is Financial Prediction, Some Pointers, Pitfalls, and Common Errors by Kevin Swingler. Focusing specifically on financial applications, this paper investigates the common methods for forecasting time series in the face of the efficient market hypothesis and outlines the major hazards.

The paper Incorporating Prior Knowledge about Financial Markets through Neural Multitask Learning discusses the incorporation of prior knowledge (hints) into the inductive learning system of neural networks. An empirical example illustrates the improvement in the accuracy of a neural network used to forecast the price movements of five major German stocks.

Forecasting the 30-year US Treasury Bond with a System of Neural Networks. Thirty-two feed-forward neural networks were used to predict market movements a week in the future.

Forecasting financial markets using neural networks: an analysis of methods and accuracy. Not terribly insightful market-wise, but an example of a typical approach.

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...more specialised and advanced:

Recent developments of self-organising modelling in prediction and analysis of stock markets. GMDH algorithms provide a way to get accurate identification and forecasts of different complex processes in the case of noised and short input sampling. In distinction to neural networks, the results are explicit mathematical models, obtained in a relative short time.

A nonparametric approach to pricing and hedging derivative via learning networks. How a network learned and then applied the Black and Scholes model - impressive! Quite mathematical.

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As always, first take a look at the FAQ. This link offers it in HTML or text format, together with a clutch of relevant papers in PostScript.

A voluminous list of NN references (Word doc) compiled by Athanasios Episcopos, with some links on neural networks, finance and economics. These references are intended for the researcher who wants to use artificial neural networks (NN) in finance and economics. May be a bit out of date.

Neural Computing Publications Worldwide, from the IEEE. Provides journal links and a useful book bibliography, as well as fuzzy systems and evolutionary computation.

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Neural Networks - the official journal of the International Neural Network Society, European Neural Network Society & Japanese Neural Network Society.

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Basic ModelGen by Crusader Systems. Excellent and affordable software with plenty of features. Also includes rule induction and decision trees. Importing and exporting data to Excel is a bit cumbersome.

The following two products are less comprehensive but are Excel add-ins, making them easier for input/ output:

Neuralyst by Cheshire Engineering. We have used this program and it works well. A disadvantage is the lack of sensitivity analysis while a time-saving feature is the use of genetic algorithms to optimise the network architecture.

Braincel by Jurik Research. Not tested extensively. Has the sensitivity analysis but not the GAs!

For a larger, more sophisticated systems, Neuroshell and Genehunter by Ward Systems provides trading system software.

NeuroDimension provides NeuroSolutions and TradingSolutions, products that combine traditional technical analysis with AI techniques. One can use combinations of financial indicators in conjunction with NNs and genetic algorithms to create trading models.

There is also excellent neural net shareware like EasyNN.

Don Tveter's page on neural networking software, The Basis of AI NN provides the code for various algorithms; programmers and quants are likely to get the most benefit out of these.

MJ Futures is a market prediction company that specializes in neural software and services for market forecasting.The comment on their home page that "At first it seemed that neural nets were the answer to all of our prediction problems, but we soon learned that they were not the Holy Grail they were advertised to be..." suggests they have evolved beyond the run-of-the-mill, naive price-predictors.

Timestat - a reputable freeware application for dealing with fast Fourier transforms and wavelets in data pre-processing (although the documentation is rather terse). Download here. For other statistical applications go to the Simstat site.

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ANN resources on the internet provides links to papers, applications, hardware and software, shareware, people and electronic newsletters.

Sigma Research Associates. Books and trial software on statistics and NNs and a bit of chaos too.

Talking of books, Amazon's Professional and Technical section has an excellent selection of AI titles.

Yahoo links. A short but eclectic mix of links.

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