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- Erik C. Parker, Shalini S. Survanshi, Paul B. Massell, Paul K. Weathersby
- Journal of applied physiology
- 1998

Probabilistic models of human decompression sickness (DCS) have been successful in describing DCS risk observed across a wide variety of N2-O2 dives but have failed to account for the observed DCS incidence in dives with high PO2 during decompression. Our most successful previous model, calibrated with 3,322 N2-O2 dives, predicts only 40% of the observed… (More)

- Paul B. Massell
- 2001

Cell suppression and audit programs have been used at the Census Bureau for many years for insuring the confidentiality of establishments that contribute data that are used for building economic magnitude data tables. Since the 1987 Economic Census, the suppression programs were based on network flow models which work well for 2D tables but which have some… (More)

- Paul B. Massell
- 2002

There has been much international research in recent years on the cell suppression approach to protecting a statistical table. In this paper, the author compares some of the new and old methods from both a theoretical and practical point of view. The basic theoretical difference among the approaches is the type of mathematical programming method that is… (More)

- Paul B. Massell
- 1999

There are two recent developments related to survey data dissemination that may be increasing the risk of disclosure of respondent data. One is that statistical agencies are now releasing more microdata files than previously, partly in response to the urging of researchers needing the data for precise analytic work. For example, some data rich files with… (More)

- Paul B. Massell
- 2001

A common disclosure limitation method for tabular data is cell suppression. The cell suppression method for statistical tables with marginals involves two steps : (1) determining which cells are sensitive and must therefore be suppressed (i.e., not published) (2) determining which additional cells should be suppressed so that a data intruder, despite… (More)

The problem of disseminating tabular data such that the amount of information provided satisfies the public need while protecting individually identifiable data is a problem in all governmental statistical agencies. The problem falls into the category of Statistical Disclosure Control and provides many difficult policy and technical challenges for these… (More)

- Paul B. Massell
- 2005

Cell suppression has been a commonly used method at the Census Bureau and at other agencies for protecting sensitive cells in statistical tables whose cells contain magnitude data. In this method, the sensitivity of each cell depends on the distribution of the respondent values which are summed to form the cell value. Those cells determined to be sensitive… (More)

- Paul B. Massell
- SIAM Review
- 1992

- Paul B. Massell
- 2006

Protecting the confidentiality of survey respondent data is related to the notion of data user uncertainty in various ways. The source of uncertainty that is most frequently exploited by agencies in formulating protection rules for tabular data is the fact that there is often more than one respondent (e.g., a company) contributing to a given table cell… (More)

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