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posterior vs rredlist

A side-by-side editorial comparison of posterior and rredlist — release velocity, themes, recent moves, and the top alternatives to consider.

posterior vs rredlist: at a glance

Featureposteriorrredlist
SectorAnalyticsAnalytics
Velocity score0.00.0
Sparks · 30d00
Top themesbayesian, rvar, pareto-diagnostics, r-infrastructureiucn-red-list, api-migration, breaking-change, bulk-retrieval
Last editorial update1h ago1h ago
WebsiteVisit →Visit →

What is posterior?

posterior keeps deepening two things: the rvar type and Pareto-based diagnostics.

The releases in this window advance on two fronts. The rvar random-variable type gained factor and ordered subtypes (1.4.0), rvar-indexed slicing and `rvar_ifelse()` (1.5.0), base `%*%` matrix multiplication and indexed variable names (1.6.0). Separately, Pareto diagnostics have grown from `pareto_smooth()` options and individual `pareto_khat()`-family functions (1.6.0) through `pit()` for draws and rvars (1.6.1) to exported generalized-Pareto functions and `pareto_pit` (1.7.0). 1.7.1 is a paperwork release for a JOSS submission.

Read the full posterior trajectory →

What is rredlist?

rredlist threw out its species-centric API in 1.0.0 and rebuilt around assessments.

rredlist 1.0.0 is a hard break: the IUCN Red List API moved to v4, and the package followed by dropping v3 support entirely, reorganising around assessments rather than species, renaming or removing most functions, changing returned data structures, and requiring users to generate a new API key. The two releases since are consolidation on that new shape — `rl_assessment_list()` and `rl_assessment_extract()` for retrieving and unpacking many assessments at once, a `scope` argument on the `*_latest()` functions, and NULL-safe extraction.

Read the full rredlist trajectory →

posterior vs rredlist: editorial side-by-side

P
posterior
ANALYTICS
0.0

posterior keeps deepening two things: the rvar type and Pareto-based diagnostics.

◆ Current state

The releases in this window advance on two fronts. The rvar random-variable type gained factor and ordered subtypes (1.4.0), rvar-indexed slicing and `rvar_ifelse()` (1.5.0), base `%*%` matrix multiplication and indexed variable names (1.6.0). Separately, Pareto diagnostics have grown from `pareto_smooth()` options and individual `pareto_khat()`-family functions (1.6.0) through `pit()` for draws and rvars (1.6.1) to exported generalized-Pareto functions and `pareto_pit` (1.7.0). 1.7.1 is a paperwork release for a JOSS submission.

◆ Where it's heading

posterior is positioning itself as shared infrastructure rather than an end-user package: 1.7.0 explicitly exports generalized-Pareto machinery 'for use in other packages', and the JOSS paper is a citation vehicle for the same audience. The rvar work points the same way — a random-variable type other Bayesian packages can build on. Cadence is steady but unhurried, roughly one feature release a year.

◆ Prediction

More diagnostic functions are likely to be exported for downstream reuse, following the pattern 1.7.0 established with the generalized-Pareto helpers.

R
rredlist
ANALYTICS
0.0

rredlist threw out its species-centric API in 1.0.0 and rebuilt around assessments.

◆ Current state

rredlist 1.0.0 is a hard break: the IUCN Red List API moved to v4, and the package followed by dropping v3 support entirely, reorganising around assessments rather than species, renaming or removing most functions, changing returned data structures, and requiring users to generate a new API key. The two releases since are consolidation on that new shape — `rl_assessment_list()` and `rl_assessment_extract()` for retrieving and unpacking many assessments at once, a `scope` argument on the `*_latest()` functions, and NULL-safe extraction.

◆ Where it's heading

Post-1.0.0 work is clearly aimed at bulk use: fetch many assessments, pull a chosen field out of each. That is a different usage pattern from the one-species-at-a-time queries the v3-era functions encouraged, and it suits the conservation-analysis workloads the package is actually used for. Deprecated v3 functions are still present and flagged for eventual removal.

◆ Prediction

The deprecated v3-era functions are the obvious next thing to disappear, and further bulk-retrieval helpers are likely given both post-1.0 releases went that way.

Alternatives to posterior and rredlist

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 posterior or rredlist.

See all posterior alternatives → · See all rredlist alternatives →

Recent activity from posterior and rredlist

Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.

  1. 2mo agoposteriorposterior 1.7.1 released for JOSS paper
  2. 3mo agoposteriorposterior 1.7.0 exports generalized-Pareto functions
  3. 10mo agoposteriorposterior 1.6.1 adds pit() for draws and rvars
  4. 11mo agorredlistrredlist 1.1.1 extracts multiple assessment elements
  5. 1y agorredlistrredlist 1.1.0 adds bulk assessment retrieval and extraction
  6. 1y agorredlistrredlist 1.0.0 rebuilds on IUCN Red List API v4
  7. 1y agoposteriorposterior 1.6.0 adds Pareto diagnostics and ESS-based thinning
  8. 2y agoposteriorposterior 1.5.0 adds nested-Rhat and rvar indexing
  9. 3y agorredlistrredlist 0.7.1 changes maintainer
  10. 3y agoposteriorposterior 1.4.0 adds factor and ordered rvar subtypes
  11. 5y agorredlistrredlist 0.7.0 adds vignette and HTTPS base URL
  12. 6y agorredlistrredlist 0.6.0 improves docs and NA handling

Frequently asked questions

What is the difference between posterior and rredlist?

They serve adjacent needs but don't currently overlap on shipped themes. posterior and rredlist 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 posterior better than rredlist?

Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. posterior and rredlist 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 posterior?

Top posterior alternatives in Analytics are ranked by recent ship velocity. Browse the "posterior alternatives" section above for the current picks, or visit /alternatives/posterior for the full list with editorial commentary on each.

What are the best alternatives to rredlist?

Top rredlist alternatives in Analytics are ranked by recent ship velocity. Browse the "rredlist alternatives" section above for the current picks, or visit /alternatives/rredlist for the full list with editorial commentary on each.