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sddr

Spatial Distribution Dynamics

A tidy toolkit for distribution dynamics: analysing how a cross-sectional distribution of values evolves over time and where it settles in the long run. Provides discrete-time, spatial, rank and local indicator of spatial association ('LISA') Markov transition estimation, ergodic analysis (steady-state, mean first passage and sojourn times), rank-mobility measures (Kendall's tau and the Theta statistic) and Markov mobility indices. Methods use long-format 'id'/'time'/'value' data rather than transition matrices and build on the distribution-dynamics literature (Quah (1993); Rey (2001) <doi:10.1111/j.1538-4632.2001.tb00444.x>). Results are validated for numerical parity against the reference 'giddy' library.

Versions across snapshots

VersionRepositoryFileSize
0.1.1 rolling linux/jammy R-4.5 sddr_0.1.1.tar.gz 90.3 KiB
0.1.1 rolling linux/noble R-4.5 sddr_0.1.1.tar.gz 90.0 KiB
0.1.1 rolling source/ R- sddr_0.1.1.tar.gz 28.5 KiB
0.1.1 latest linux/jammy R-4.5 sddr_0.1.1.tar.gz 90.3 KiB
0.1.1 latest linux/noble R-4.5 sddr_0.1.1.tar.gz 90.0 KiB
0.1.1 latest source/ R- sddr_0.1.1.tar.gz 28.5 KiB
0.1.1 2026-04-23 source/ R- sddr_0.1.1.tar.gz 0 B

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