منابع مشابه
Adaptive independence samplers
Markov chain Monte Carlo (MCMC) is an important computational technique for generating samples from non-standard probability distributions. A major challenge in the design of practical MCMC samplers is to achieve efficient convergence and mixing properties. One way to accelerate convergence and mixing is to adapt the proposal distribution in light of previously sampled points, thus increasing t...
متن کاملCharacteristics: Ambient Pm10 Samplers
The National Ambient Air Quality Standards (NAAQS) for PM in terms of PM10 are ambient air concentration limits set by the EPA that should not be exceeded. Further, some state air pollution regulatory agencies (SAPRAs) utilize the NAAQS to regulate criteria pollutants emitted by industries by applying the NAAQS as property-line concentration limits. Prior to and since the inclusion of the PM10 ...
متن کاملBacterial Aerosol Samplers
LEDERBERG, J. 1950 Isolation and characterization of biochemical mutants of bacteria. Methods in Med. Research, 3, 5-22. NEWCOMBE, H. B. 1953 The delayed appearance of radiationinduced genetic change in bacteria. Genetics, 38, 134151. NEWCOMBE, H. B. 1955 Mechanisms of mutation production in microorganisms. In BACQ, Z. M., AND ALEXANDER, P. Radiobiol. Symposium, Proc. Li6ge, 1954. PONTECORVO, G...
متن کاملSequential Monte Carlo Samplers
In this paper, we propose a methodology to sample sequentially from a sequence of probability distributions known up to a normalizing constant and defined on a common space. These probability distributions are approximated by a cloud of weighted random samples which are propagated over time using Sequential Monte Carlo methods. This methodology allows us to derive simple algorithms to make para...
متن کاملBacterial Aerosol Samplers
RETTGER, L. F. 1910 A new and improved method of enumerating air bacteria. J. Med. Research, 22, 461-468. ROSEBURY, T. 1947 Experimental air-borne infection. In Microbiological Monographs. The Williams & Wilkins Co., Baltimore, Maryland. SHIPE, E. L., TYLER, M. E., AND CHAPMAN, D. M. 1959 Bacterial aerosol samplers. II. Development and evaluation of the Shipe sampler. Appl. Microbiol., 7, 349-3...
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ژورنال
عنوان ژورنال: BMJ
سال: 1991
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.302.6792.1554