Faculty profile
Renjun Ma
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Research
Latest papers
A New Logistic Model With Subject-Specific and Serially Correlated Time-Specific Distribution-Free Random Effects on the Unit Interval for Longitudinal Binary Data.
Biometrical journal. Biometrische Zeitschrift · 2025
Tweedie Compound Poisson Models with Covariate-Dependent Random Effects for Multilevel Semicontinuous Data.
Entropy (Basel, Switzerland) · 2023 · first author
Forecasting waved daily COVID-19 death count series with a novel combination of segmented Poisson model and ARIMA models.
Journal of applied statistics · 2023 · senior author
Latest funding
- $108,000
Random Effects Modelling and Inference for Skewed Data of Complex Correlation Structures
NSERC · 2020 · Principal investigator
- $55,000
Generalized Linear and Nonlinear Mixed Models for Longitudinal and Spatial Data
NSERC · 2015 · Principal investigator
- $60,000
Random effects regression modeling of spatial and longitudinal data
NSERC · 2010 · Principal investigator
10 publications.
A New Logistic Model With Subject-Specific and Serially Correlated Time-Specific Distribution-Free Random Effects on the Unit Interval for Longitudinal Binary Data.
Zhang L, Ma R, Yan G, Huang X
Tweedie Compound Poisson Models with Covariate-Dependent Random Effects for Multilevel Semicontinuous Data.
Ma R, Islam MD, Hasan MT, Jørgensen B
Forecasting waved daily COVID-19 death count series with a novel combination of segmented Poisson model and ARIMA models.
Zhang X, Ma R
Analysis of Longitudinal Binomial Data with Positive Association between the Number of Successes and the Number of Failures: An Application to Stock Instability Study.
Zhang X, Yan G, Ma R, Li J
Linking dynamic patterns of COVID-19 spreads in Italy with regional characteristics: a two level longitudinal modelling approach.
Hao Y, Yan G, Ma R, Hasan MT
Predicting turning point, duration and attack rate of COVID-19 outbreaks in major Western countries.
Zhang X, Ma R, Wang L
A Joint Poisson State-Space Modelling Approach to Analysis of Binomial Series with Random Cluster Sizes.
Yan G, Ma R, Tariqul Hasan M
Tweedie family of generalized linear models with distribution-free random effects for skewed longitudinal data.
Ma R, Yan G, Hasan MT
Pattern-mixture zero-inflated mixed models for longitudinal unbalanced count data with excessive zeros.
Hasan MT, Sneddon G, Ma R
Modelling heterogeneity in clustered count data with extra zeros using compound Poisson random effect.
Ma R, Hasan MT, Sneddon G
Random Effects Modelling and Inference for Skewed Data of Complex Correlation Structures
Principal investigators: Ma, Renjun
Keywords: longitudinal data; survival data; spatial data; clustered data; multivariate analysis; generalized linear models; frailty models; biostatistics; environmetrics; joint models
Generalized Linear and Nonlinear Mixed Models for Longitudinal and Spatial Data
Principal investigators: Ma, Renjun
Random effects regression modeling of spatial and longitudinal data
Principal investigators: Ma, Renjun
MPrime Network (formerly MITACS) / Réseau MPrime (autrefois MITACS)
Principal investigators: Gupta, Arvind
Latent variables regression modelling of spatial and longitudinal data
Principal investigators: Ma, Renjun
Mathematics of Information Technology and Complex Systems/Les mathématiques des technologies de l'information et des systèmes complexes
Principal investigators: Gupta, Arvind
Raising and leveling the bar: a collaborative research initiative on children's learning, behavioural, and health outcomes
Principal investigators: Willms, Jon Douglas
Keywords: children and youth; education; health; academic achievement; literacy skills; socioeconomic gradients; social policy; longitudinal studies
Latent variables multivariate regression models with application to spatial and longitudinal analysis
Principal investigators: Ma, Renjun
CISS Data Training School - University of New Brunswick - Canadian Research Institute for Social Policy (CRISP)
CISS Data Training School - Canadian Research Institute for Social Policy (CRISP) - University of New Brunswick
From CIHR, NSERC and SSHRC funding decisions: CIHR since 2008, NSERC since 1991 and SSHRC since 1998, including their latest published competition results.
Frequent collaborators
- Renjun Ma and Guohua Yan: 5 shared papers
- Lin Wang and Renjun Ma: 1 shared paper
- Mathematics and Statistics - Fredericton
- Mathematics and Statistics
Co-authors at University of New Brunswick, colored by department. Thicker lines mean more shared papers; select anyone to open their profile and their own map.
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