r-cran-spacetime 1.2-8+dfsg-1 (amd64 binary) in ubuntu lunar

 Classes and methods for spatio-temporal data, including space-time
 regular lattices, sparse lattices, irregular data, and trajectories;
 utility functions for plotting data as map sequences (lattice or
 animation) or multiple time series; methods for spatial and temporal
 selection and subsetting, as well as for spatial/temporal/spatio-
 temporal matching or aggregation, retrieving coordinates, print,
 summary, etc.