Latent trajectory models for spatio-temporal dynamics in Alaskan ecosystems.
Sign Up to like & getrecommendations! Published in 2022 at "Biometrics"
DOI: 10.1111/biom.13832
Abstract: The Alaskan landscape has undergone substantial changes in recent decades, most notably the expansion of shrubs and trees across the Arctic. We developed a Bayesian hierarchical model to quantify the impact of climate change on… read more here.
Keywords: temporal dynamics; models spatio; latent trajectory; trajectory ... See more keywords
The impact of covariance misspecification in group-based trajectory models for longitudinal data with non-stationary covariance structure
Sign Up to like & getrecommendations! Published in 2017 at "Statistical Methods in Medical Research"
DOI: 10.1177/0962280215598806
Abstract: One purpose of a longitudinal study is to gain a better understanding of how an outcome of interest changes among a given population over time. In what follows, a trajectory will be taken to mean… read more here.
Keywords: trajectory; trajectory models; based trajectory; group based ... See more keywords
Application and Analysis of Bounded-Impulse Trajectory Models with Analytic Gradients
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Guidance, Control, and Dynamics"
DOI: 10.2514/1.g003078
Abstract: Bounded-impulse trajectory models are an important component of many spacecraft trajectory preliminary design workflows. This paper includes discussions on practical implementation considerations f... read more here.
Keywords: trajectory; trajectory models; bounded impulse; impulse trajectory ... See more keywords