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Open AccessJournal ArticleDOI

Joint latent class models for longitudinal and time-to-event data: A review:

TLDR
This article aims at giving an overview of joint latent class modelling, especially in the prediction context, by introducing the model, discussing estimation and goodness-of-fit, and comparing it with the shared random-effect model.
Abstract
Most statistical developments in the joint modelling area have focused on the shared random-effect models that include characteristics of the longitudinal marker as predictors in the model for the time-to-event. A less well-known approach is the joint latent class model which consists in assuming that a latent class structure entirely captures the correlation between the longitudinal marker trajectory and the risk of the event. Owing to its flexibility in modelling the dependency between the longitudinal marker and the event time, as well as its ability to include covariates, the joint latent class model may be particularly suited for prediction problems. This article aims at giving an overview of joint latent class modelling, especially in the prediction context. The authors introduce the model, discuss estimation and goodness-of-fit, and compare it with the shared random-effect model. Then, dynamic predictive tools derived from joint latent class models, as well as measures to evaluate their dynamic pre...

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Citations
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Journal ArticleDOI

Estimation of extended mixed models using latent classes and latent processes: the R package lcmm

TL;DR: The R package lcmm as mentioned in this paper provides a series of functions to estimate statistical models based on linear mixed model theory, including the estimation of mixed models and latent class mixed models for Gaussian longitudinal outcomes.
Journal ArticleDOI

Rethinking the dose-response relationship between usage and outcome in an online intervention for depression: randomized controlled trial.

TL;DR: Only one objective measure of usage was independently associated with better outcome of a Web-based intervention of known effectiveness, and medium level users appeared to have little additional benefit compared to low users indicating that assumptions of a linear relationship between use and outcome may be too simplistic.
Journal ArticleDOI

Joint modelling of repeated measurement and time-to-event data: an introductory tutorial

TL;DR: Joint models should be preferred for simultaneous analyses of repeated measurement and survival data, especially when the former is measured with error and the association between the underlying error-free measurement process and the hazard for survival is of scientific interest.
Journal ArticleDOI

Joint modelling of time-to-event and multivariate longitudinal outcomes: recent developments and issues

TL;DR: Although, in an era of personalized medicine, the value of multivariate joint modelling has been established, researchers are currently limited in their ability to fit these models routinely.
References
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Journal ArticleDOI

Random-effects models for longitudinal data

Nan M. Laird, +1 more
- 01 Dec 1982 - 
TL;DR: In this article, a unified approach to fitting two-stage random-effects models, based on a combination of empirical Bayes and maximum likelihood estimation of model parameters and using the EM algorithm, is discussed.
Journal ArticleDOI

Mixture densities, maximum likelihood, and the EM algorithm

Richard A. Redner, +1 more
- 01 Apr 1984 - 
TL;DR: This work discusses the formulation and theoretical and practical properties of the EM algorithm, a specialization to the mixture density context of a general algorithm used to approximate maximum-likelihood estimates for incomplete data problems.
Journal ArticleDOI

Dealing with label switching in mixture models

TL;DR: It is demonstrated that this fails in general to solve the ‘label switching’ problem, and an alternative class of approaches, relabelling algorithms, which arise from attempting to minimize the posterior expected loss under a class of loss functions are described.
Journal ArticleDOI

A joint model for survival and longitudinal data measured with error.

TL;DR: This work argues that the Cox proportional hazards regression model method is superior to naive methods where one maximizes the partial likelihood of the Cox model using the observed covariate values and improves on two-stage methods where empirical Bayes estimates of the covariate process are computed and then used as time-dependent covariates.
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