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Comparison · Analytics
redist vs TwoSampleMR
A side-by-side editorial comparison of redist and TwoSampleMR — release velocity, themes, recent moves, and the top alternatives to consider.
redist vs TwoSampleMR: at a glance
What is redist?
redist keeps rewriting the sampler underneath a district-drawing API it has held stable since 4.0.
redist simulates redistricting plans via sequential Monte Carlo, merge-split MCMC and short-burst optimization, and it is the analysis tool behind a good deal of published districting work. The user-facing shape was set by 4.0.1's constraint interface and the split of metrics into the redistmetrics package; since then the changes are in the algorithms. The most consequential recent one replaces the SMC label-counting adjustment with a backward kernel that removes approximation error outright.
What is TwoSampleMR?
The flagship Mendelian randomization package is auditing its own estimators, one bootstrap at a time.
TwoSampleMR is the MRC-IEU package for two-sample Mendelian randomization against OpenGWAS. Its 2026 releases are a sustained correctness review rather than feature work: 0.7.9 fixed bootstrap standard errors in mr_mode() and mr_rucker_bootstrap() that had been inflated since v0.6.30, and repaired two Rucker functions that were returning malformed objects. Point estimates were not affected by the bootstrap bug.
redist vs TwoSampleMR: editorial side-by-side
redist
0.0ANALYTICS
redist keeps rewriting the sampler underneath a district-drawing API it has held stable since 4.0.
◆ Current state
redist simulates redistricting plans via sequential Monte Carlo, merge-split MCMC and short-burst optimization, and it is the analysis tool behind a good deal of published districting work. The user-facing shape was set by 4.0.1's constraint interface and the split of metrics into the redistmetrics package; since then the changes are in the algorithms. The most consequential recent one replaces the SMC label-counting adjustment with a backward kernel that removes approximation error outright.
◆ Where it's heading
The direction is toward exactness and throughput at once — the new kernel is described as both eliminating approximation error and costing far less computation, and successive releases keep adding parallelism, most recently to the flip algorithm. Feature growth has moved into the optimization side, where short-burst gained multiple independent scorers and a Pareto frontier. The release notes are not a reliable ledger: 4.3.1 ships the identical text as 4.3.0.
◆ Prediction
Expect the remaining single-threaded algorithms to gain the chains-style parallelism that flip just received, following the pattern SMC established several releases ago.
TwoSampleMR
0.0ANALYTICS
The flagship Mendelian randomization package is auditing its own estimators, one bootstrap at a time.
◆ Current state
TwoSampleMR is the MRC-IEU package for two-sample Mendelian randomization against OpenGWAS. Its 2026 releases are a sustained correctness review rather than feature work: 0.7.9 fixed bootstrap standard errors in mr_mode() and mr_rucker_bootstrap() that had been inflated since v0.6.30, and repaired two Rucker functions that were returning malformed objects. Point estimates were not affected by the bootstrap bug.
◆ Where it's heading
The pattern across these releases is a package being read line by line — a copy-paste weight vector in ldsc_rg(), chunking that produced zero splits for short SNP lists, penalisation recycled across the wrong SNPs, dead code paths removed, and regression tests added behind each fix. Alongside it runs a mechanical modernization pass: seq_len() for loop indices, tidyr in place of reshape2, current ggplot2 idioms, and the OpenGWAS URL migration. Feature work is limited to forest plot presentation.
◆ Prediction
Expect the audit to continue through the remaining bootstrap and jackknife routines, with releases staying in the 0.7.x patch range and each fix arriving with its own regression test.
Alternatives to redist and TwoSampleMR
Other Analytics products tracked by Sparkpulse, ranked by recent ship velocity. Each card links to a full editorial trajectory and lets you pivot into a head-to-head comparison with either redist or TwoSampleMR.
epikit
epikit narrows to field-epidemiology helpers, handing proportions to a sibling package
SimInf
SimInf 10.0 turns an epidemic simulator into a tool that fits models to real time series
mutagen
A young package porting Stata's egen row-wise helpers to the tidyverse, one function per release
broman
A statistician's personal toolbox, growing one plotting utility at a time
qtl
R/qtl is in pure custodial mode: every recent release answers a compiler, not a user
See all redist alternatives → · See all TwoSampleMR alternatives →
Recent activity from redist and TwoSampleMR
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 1mo agoTwoSampleMRBootstrap standard errors corrected in mode and Rucker estimators
- 2mo agoTwoSampleMRWrong weight vector and chunking fixes across the estimator set
- 2mo agoTwoSampleMRDeprecated ggplot2 idioms and dead code removed
- 3mo agoTwoSampleMROpenGWAS URLs migrated and Wald ratio warnings quieted
- 4mo agoTwoSampleMRCategorized forest plots aligned with the published figures
- 4mo agoTwoSampleMRFurther internal code optimizations
- 6mo agoredistParallel chains for redist_flip()
- 6mo agoredistPatch release reusing the 4.3.0 notes
- 10mo agoredistSMC backward kernel removes label-counting approximation error
- 2y agoredistMulti-objective short-burst search with Pareto frontier
- 3y agoredistredist_ci interface and faster loop-erased random walk
- 4y agoredistredist_constr() unifies constraints and admits user-defined ones ⚡
Frequently asked questions
What is the difference between redist and TwoSampleMR?
They serve adjacent needs but don't currently overlap on shipped themes. redist and TwoSampleMR are shipping at a similar cadence (velocity 0.0 vs 0.0, both within Sparkpulse's "active" band). See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is redist better than TwoSampleMR?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. redist and TwoSampleMR are shipping at a similar cadence (velocity 0.0 vs 0.0, both within Sparkpulse's "active" band). For your specific use case, the alternatives sections above list other Analytics products to evaluate alongside.
What are the best alternatives to redist?
Top redist alternatives in Analytics are ranked by recent ship velocity. Browse the "redist alternatives" section above for the current picks, or visit /alternatives/redist-r for the full list with editorial commentary on each.
What are the best alternatives to TwoSampleMR?
Top TwoSampleMR alternatives in Analytics are ranked by recent ship velocity. Browse the "TwoSampleMR alternatives" section above for the current picks, or visit /alternatives/twosamplemr for the full list with editorial commentary on each.