gbmt

Estimation and analysis of group-based multivariate trajectory models (Nagin, 2018 doi:10.1177/0962280216673085; Magrini, 2022 doi:10.1007/s10182-022-00437-9). The package implements an Expectation-Maximization (EM) algorithm allowing unbalanced panel and missing values, and provides several functionalities for prediction and graphical representation.

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