Projects per year

## Fingerprint Dive into the research topics where Jun Ma is active. These topic labels come from the works of this person. Together they form a unique fingerprint.

- 4 Similar Profiles

Penalized Maximum Likelihood
Mathematics

Maximum likelihood
Engineering & Materials Science

Image reconstruction
Engineering & Materials Science

Tomography
Engineering & Materials Science

Penalized Likelihood
Mathematics

Hazard
Mathematics

Baseline
Mathematics

Fisher Scoring
Mathematics

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Network
Recent external collaboration on country level. Dive into details by clicking on the dots.

## Projects 2007 2018

## Preventing patient harm in hospitals: automatic real time detection of adverse drug events using datasets from electronic clinical information systems

Li, L., Westbrook, J., Beuscart, R., Ma, J., Day, R. & Jones, G.

1/01/17 → …

Project: Research

## Prodived a High Porformance Research Computing Facility Consisting of clustered blade servers connected to SAN storage device

Sims, J., Wood, G., Bulger, D., Ma, J., Wong, F., Heaton, C., Milunovich, G., Tonkin, R., Kalotay, E., de Jong, P., Tickle, L., Kyng, T. & Chu, B.

1/01/07 → 31/12/07

Project: Research

## Research Outputs 1994 2019

## Maximum penalized likelihood estimation of additive hazards models with partly interval censoring

Li, J. & Ma, J., Sep 2019, In : Computational Statistics and Data Analysis. 137, p. 170-180 11 p.Research output: Contribution to journal › Article › Research › peer-review

Additive Hazards Model

Interval Censoring

Penalized Maximum Likelihood

Maximum likelihood estimation

Hazard

## Exposure at default without conversion factors: evidence from Global Credit Data for large corporate revolving facilities

Thackham, M. & Ma, J., 26 Oct 2018, In : Journal of the Royal Statistical Society. Series A: Statistics in Society.Research output: Contribution to journal › Article › Research › peer-review

credit

evidence

Estimate

intuition

lending

## Proportional hazard model estimation under dependent censoring using copulas and penalized likelihood

Xu, J., Ma, J., Connors, M. H. & Brodaty, H., 2018, In : Statistics in medicine. 37, 14, p. 2238-2251 14 p.Research output: Contribution to journal › Article › Research › peer-review

Dependent Censoring

Penalized Likelihood

Proportional Hazards Model

Copula

Hazard

## Fitting finite mixture models using iterative Monte Carlo classification

Xu, J. & Ma, J., 3 Jul 2017, In : Communications in Statistics - Theory and Methods. 46, 13, p. 6684-6693 10 p.Research output: Contribution to journal › Article › Research › peer-review

Finite Mixture Models

Conditional probability

Normal Mixture

Datalog

Expectation-maximization Algorithm

## Non parametric hazard estimation with dependent censoring using penalized likelihood and an assumed copula

Xu, J., Ma, J. & Prvan, T., 2017, In : Communications in Statistics - Theory and Methods. 46, 22, p. 11383-11403 21 p.Research output: Contribution to journal › Article › Research › peer-review

Dependent Censoring

Penalized Maximum Likelihood

Penalized Likelihood

Copula

Hazard