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- David J C Mackay
- 2002

Abslract Bayesian probabilily theory provides a unifying framework for dara modelling. In this framework the overall aims are to find models that are well-matched to, the &a, and to use &se models to… (More)

- David J C Mackay
- 1991

A quantitative and practical Bayesian framework is described for learning of mappings in feedforward networks. The framework makes possible: (1) objective comparisons between solutions using… (More)

- David J C Mackay
- 1997

These lecture notes are based on the work of Neal (1996), Williams and Rasmussen (1996) and Gibbs (1997). My lectures feature a sequence of computer demonstrations written in the free language… (More)

- Adam Childs, Ryan B. Patterson, David J C Mackay
- Physical review. E, Statistical, nonlinear, and…
- 2001

Propp and Wilson's method of coupling from the past allows one to efficiently generate exact samples from attractive statistical distributions (e.g., the ferromagnetic Ising model). This method may… (More)

- David J C Mackay
- 2001

The Hinton network (Hinton, 2001, personal communication) is a deterministic mapping from an observable space x to an energy function E(x;w), parameterized by parameters w. The energy defines a… (More)

- David J C Mackay
- 1996

I examine two approximate methods for computational implementation of Bayesian hierarchical models, that is, models which include unknown hyperparameters such as regularization constants. In the… (More)

Gallager codes with large block length and low rate (e.g., N ≃ 10, 000–40, 000, R ≃ 0.25–0.5) have been shown to have recordbreaking performance for low signal-to-noise applications. Gallager codes… (More)

Dasher is a communication system in which writing is a navigational process. Here we evaluate versions in which navigation is controlled through the timing of presses of one or two buttons. Using the… (More)

Creep resistant ferritic steels based on Fe–2·25Cr–1Mo and Fe–(9–12)Cr have been used extensively in the energy and petrochemical industries for more than half a century. This is because they have an… (More)

- David J C Mackay, William J. Harrison, Janet H. Bates, Dianne Dickenson
- Journal of the Royal College of Surgeons of…
- 2000

An audit of 171 consecutive hip fractures treated surgically showed a deep wound infection rate of 3.6%. Several shortcomings in the implementation of the infection policy were identified and… (More)