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4.2.0

• Deprecate functionality that is provided by redistmetrics package.
• Improve contiguity checking speed drastically.
• Support for multiple independent scoring functions in redist_shortburst(). With multiple scorers, the algorithm will stochastically explore to try to find the largest Pareto frontier for the scores. The frontier can be accessed with attr(<plans obj>, "pareto_score").
• Removes the MPI vignette which relied on older implementations of redist.mcmc(), which was replaced by redist.flip() a few years ago, and finally redist_flip().

redist 4.1.1

• Resolves a sanitizer error for CRAN

redist 4.1.0

• Improved diagnostic output
• New redist_ci interface for confidence interval calculation
• Improved plotting options with redist.plot.distr_qtys() for custom geometry types.
• Improved resampling efficiency at the final SMC stage
• Faster implementation of loop-erased random walk in C++
• Faster random number generation in C++
• Updated citation information

redist 4.0.0

• A new constraint interface that is more flexible, user friendly, and consistent across algorithms (see redist_constr() and ?constraints). For the first time, user-defined custom constraints are supported and integrated within all three algorithms.
• New diagnostic-checking function, summary.redist_plans()
• Summary statistics have been broken out into a new redistmetrics package This will speed up compilation time and also provides a cleaner, more extensible interface for the implementation of additional metrics.
• Parallel computing support for the SMC algorithm, both within and across sampling runs
• Reproducible across-run parallelism throughout the package, via doRNG
• Much faster match_numbers() using the Hungarian method
• min_move_parity() calculates how much population needs to be moved between districts in order to completely balance a redistricting plan.
• Support for partial SMC simulations, where fewer districts are drawn than the total number. Allows advanced users to manually combine partial runs to form complete maps.
• Improved algorithm reporting, including new progress bars and cli errors and warnings throughout the package
• Update the SMC algorithm to include a missing correction factor for the number of ways to sequentially label districts. This factor should not have an effect on substantive conclusions and summary statistics.
• Remove deprecated functions
• Many bug fixes (see https://github.com/alarm-redist/redist/issues)

redist 3.1.6

• Utilities for using municipalities as well as counties in split calculations

redist 3.1.5

• skip SMC test on Linux

redist 3.1.4

• skip SMC test on Solaris

redist 3.1.2

• Fixes crash caused by redist.splits()

redist 3.1.1

• Fixes printing bug in color_graph()

redist 3.1.0

• Removes prior deprecated functions and arguments
• Fix bugs (#78, #81, #86)
• Introduces redist_mergesplit_parallel()
• Adds rbind() generic for redist_plans objects
• Improves sampling speed for SMC and Merge-split with county constraint
• Adds county split measures.
• Adds population overlap measures for plan comparisons.
• Deprecates redist.smc() in favor of redist_smc() and redist.mergesplit() in favor of redist_mergesplit(). # redist 3.0.2
• Fix bugs (#60, #61, #62, #70, #71, #72), including s2 compatibility, Solaris fixes, and improved dplyr verb robustness.

redist 3.0.1

• New tidy interface, including new redist_map and redist_plans objects
• Merge-split MCMC now available in redist_mergesplit()
• Short burst MCMC optimization now available in redist_shortburst() along with scoring functions (?scorers)
• Improved Flip MCMC interface and performance improvements
• New support for larger simulation size limits
• Functions to freeze parts of a map and extract district cores
• New VRA constraint
• Many new plotting functions
• Consistent function and argument names
• New partisanship and compactness metrics
• Performance improvements to compactness calculations
• Plan comparison and classification in compare_plans() and classify_plans()
• New iowa dataset and cleaned-up package data
• New vignettes for redistricting analysis and workflows
• Various bug fixes

redist 2.0.4

• New redist.subset allows for easy subsetting of an adjacency graph
• Added a NEWS.md file to track changes to the package

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They may not be fully stable and should be used with caution. We make no claims about them.
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