0.4-6.9xxx (11/08/2024) ----- Support for wpp2024. mig.trajectories.plot() passes ... into plot(). Implemented adjustment functions. Argument fixed.thresholds added. mig.trajectories.plot() got arguments to plot the means (show.mean), medians (show.median), as well as selected trajectories (traj.index). 0.4-4/5/6 (09/28/2023) ----- Improved documentation. 0.4-3 (07/21/2023) ----- Argument ignore.last.observed in mig.predict swapped for post.last.observed. Bug fixes in mig.trajectories.plot to mark the estimation data correctly. Prediction object now as an element nr.imputed. 0.4-2 (07/13/2023) ----- Added feature of "first.observed" column in the estimation data. Argument "mark.estimation.points" added to mig.trajectories.plot. 0.4-1 (06/08/2023) ----- Added features of "last.observed", start.year in the prediction and data imputation. 0.3-0 (02/17/2023) ----- Version supporting the use of wpp2022 annual data. New function map.ggplot. 0.2-2 (07/28/2022) ----- Added argument scale to mig.plot.trajectories. 0.2-1 (06/03/2022) ----- Initial public version