## SEARCH

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- The Institute of Statistical Mathematics 22 (%)
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- Royal Melbourne Institute of Technology 14 (%)

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- Haines, Betty 30 (%)
- Haines, Roger 30 (%)
- May, Andrew 30 (%)
- Gersch, Will 19 (%)
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- Annals of the Institute of Statistical Mathematics 54 (%)
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- Statistics [x] 520 (%)
- Statistics, general 376 (%)
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## Asymptotics and Uniform Bounds for Multiclass Queueing Networks

### Stochastic Networks (1996-01-01) 117: 65-73 , January 01, 1996

Recently it has been shown in [2] that one can obtain linear programs which provide bounds on the coefficients *α, v* in the expression
$$ \frac{{\alpha N}}{{N + \nu }} $$
, which then bound the throughput for every population size *N* in a closed irreducible network. Also, it has been shown in [1] that one can obtain linear programs which provide bounds on the coefficients {*c*_{i}} in the expansion
$$ \sum\nolimits_{{i = 0}}^{M} {\tfrac{{{{c}_{i}}\rho }}{{{{{(1 - \rho )}}^{i}}}}} $$
, which then bounds the mean number in an open system for every nominal load *p* in the system. We provide a brief account of these results.

## Bayesian calibration in the estimation of the age of rhinoceros

### Annals of the Institute of Statistical Mathematics (1996-03-01) 48: 17-28 , March 01, 1996

In this paper the Bayesian approach for nonlinear multivariate calibration will be illustrated. This goal will be achieved by applying the Gibbs sampler to the rhinoceros data given by Clarke (1992, *Biometrics*, *48*(4), 1081–1094). It will be shown that the point estimates obtained from the profile likelihoods and those calculated from the marginal posterior densities using improper priors will in most cases be similar.

## Risk factors for invasive cervical cancer in Latino women

### Journal of Medical Systems (1996-10-01) 20: 277-293 , October 01, 1996

Most invasive cervical cancer research in the United States has been conducted on non-Latino-White (NLW) and African-American women. Incidence, mortality, stage at diagnosis and survival indicators for invasive cervical cancer in Latino women in California are compared to NLW and African-American women. A model is presented which depicts structural, behavioral, genetic and biological risk factors for invasive cervical cancer. A literature review of risk factors and their association with invasive cervical cancer was conducted using MEDLINE and PsychINFO databases to determine if ethnic differences in risk factors explain observed differences in morbidity and mortality. Latino women experience a significantly higher incidence and mortality associated with invasive cervical cancer than NLW women. The review of risk factors found that rate differences of cervical cancer screening, early detection and human papilloma virus (HPV) type-specific infection explain much of the disparity in disease burden. Further research must clarify if ethnic differences exist in risk factors associated with ethnic variation in HPV-type prevalence in both cases and their sexual partners, in host immune responses, and multiparity.

## Practice variations in treating urban minority asthmatics in Chicago

### Journal of Medical Systems (1996-10-01) 20: 255-266 , October 01, 1996

This study explores provider adherence to national guidelines in treating Latino and African-American asthmatics. We hypothesized that there would be more variations in asthma treatment existing for minorities as a result of variation in physician's adherent to the guidelines. A 96-item survey was administered to 138 Latino and African-American asthmatics attending a hospital emergency department. Data were obtained on demography, severity, access, patient satisfaction, and patient's assessment of physician asthma management. Results were analyzed by ethnicity, gender, practice site of regular provider, and severity. Variation in physician practice was found in these variables. Asthma treatment received by Latino and African-American respondents was deficient compared to guidelines. Regression analyses showed that Latinos fared more poorly on the number of prednisone bursts taken, use of written crisis plans and dispensation of peak flow meters controlling for gender, practice site and severity. African-Americans expressed less dissatisfaction in obtaining services, while both groups expressed high degrees of satisfaction with their providers.

## Kaplan-Meier Survival Curves and the Log-Rank Test

### Survival Analysis (1996-01-01): 45-82 , January 01, 1996

We begin with a brief review of the purposes of survival analysis, basic notation and terminology, and the basic data layout for the computer.

## An identity for the product moments of order statistics

### Metrika (1996-12-01) 44: 95-100 , December 01, 1996

A general identity for the product moments of successive order statistics is given, which is valid in a class of probability distributions including Weibull, Pareto, exponential and Burr distributions.

## Derivation of the probability distribution functions for succession quota random variables

### Annals of the Institute of Statistical Mathematics (1996-09-01) 48: 551-561 , September 01, 1996

The probability distribution functions (pdf's) of the sooner and later waiting time random variables (rv's) for the succession quota problem (*k* successes and *r* failures) are derived presently in the case of a binary sequence of order *k*. The probability generating functions (pgf's) of the above rv's are then obtained directly from their pdf's. In the case of independent Bernoulli trials, expressions for the pdf's in terms of binomial coefficients are also established.

## Hierarchy as a Clustering Structure

### Mathematical Classification and Clustering (1996-01-01) 11: 329-397 , January 01, 1996

Directions for representing and comparing hierarchies are discussed.

Clustering methods that are invariant under monotone dissimilarity transformations are analyzed.

Most recent theories and methods concerning such concepts as ultrametric, tree metric, Robinson matrix, pyramid, and weak hierarchy are presented.

A linear theory for binary hierarchy is proposed to allow decomposing the data entries, as well as covariances, by the clusters.

## Back Matter - Environmental Studies

### Environmental Studies (1996-01-01): 79 , January 01, 1996

## Control Representation in an EDA Assistant

### Learning from Data (1996-01-01) 112: 353-362 , January 01, 1996

To develop an initial understanding of complex data, one often begins with exploration. Exploratory data analysis (EDA) provides a set of statistical tools through which patterns in data may be extracted and examined in detail. The search space of EDA operations is enormous, too large to be explored directly in a data-driven manner. More abstract EDA procedures can be captured, however, by representations commonly used in AI planning systems. We describe an implemented planning representation for *Aide*, an automated EDA assistant, with a focus on control issues.