<p>I would like to suggest adding the gmm tag for growth mixture modeling. This would help when asking questions specific to this area. There are a number of questions on this topic, e.g.:</p>

<ul>
<li><a href="https://stats.stackexchange.com/questions/48700/how-are-the-classes-determined-in-a-growth-mixture-model">How are the classes determined in a growth mixture model?</a></li>
<li><a href="https://stats.stackexchange.com/questions/2777/modelling-longitudinal-data-where-the-effect-of-time-varies-in-functional-form-b/2811#2811">Modelling longitudinal data where the effect of time varies in functional form between individuals</a></li>
<li><a href="https://stats.stackexchange.com/questions/27210/mixture-model-fixed-effects/27397#27397">Mixture model fixed effects</a></li>
<li><a href="https://stats.stackexchange.com/questions/48187/which-r-package-to-use-to-conduct-a-latent-class-growth-analysis-lcga-growth">Which R package to use to conduct a latent class growth analysis (LCGA) / growth mixture model (GMM)?</a></li>
</ul>
