paleobuddy
paleobuddy can now simulate trait-dependent diversification, not just birth-death.
Comparison · Analytics
mizer vs TAF
A side-by-side editorial comparison of mizer and TAF — release velocity, themes, recent moves, and the top alternatives to consider.
mizer vs TAF: at a glance
What is mizer?
After two and a half years dormant, mizer shipped three major versions in seven weeks.
The size-spectrum fish modelling package sat at 2.5.0 from December 2023 until June 2026, then released 3.0.0, 3.1.0 and 3.2.0 in the space of seven weeks. The three releases divide cleanly: 3.0.0 added biological realism through a diffusion term in the McKendrick-von Foerster equation, 3.1.0 added an opt-in second-order numerical scheme in size, and 3.2.0 rebuilt how species and resource parameters are set. Backward compatibility is handled carefully throughout — the experimental scheme is off by default and the first-order path is byte-identical to previous versions.
What is TAF?
TAF keeps turning ICES stock assessments into reproducible, dependency-pinned projects.
TAF is the R tooling behind the ICES Transparent Assessment Framework, which standardizes how fish stock assessments are laid out, sourced and rerun. The 4.3.0 release is the largest in years, adding roughly ten functions covering dependency installation and analysis, software version checks, directory inspection and README drafting. The package has carried zero non-base dependencies since 4.0.0, and the new work is careful not to break that.
mizer vs TAF: editorial side-by-side
mizer
5.0ANALYTICS
After two and a half years dormant, mizer shipped three major versions in seven weeks.
◆ Current state
The size-spectrum fish modelling package sat at 2.5.0 from December 2023 until June 2026, then released 3.0.0, 3.1.0 and 3.2.0 in the space of seven weeks. The three releases divide cleanly: 3.0.0 added biological realism through a diffusion term in the McKendrick-von Foerster equation, 3.1.0 added an opt-in second-order numerical scheme in size, and 3.2.0 rebuilt how species and resource parameters are set. Backward compatibility is handled carefully throughout — the experimental scheme is off by default and the first-order path is byte-identical to previous versions.
◆ Where it's heading
Two threads run through the 3.x line. The first is numerical: diffusion, then higher-order accuracy in both size and time, with explicit warnings that enabling them shifts diagnostics and may require recalibration. The second is making the package composable — extensions now work regardless of load order, and parameter assignment propagates to the derived rate arrays instead of being silently discarded. That second thread reads as the more consequential one: the 3.2.0 notes describe scalar edits that previously vanished and now accumulate, which is the kind of fix that changes what published model configurations actually computed.
◆ Prediction
Expect the experimental second-order scheme to move toward default-on once recalibration guidance exists, and the patch line to keep absorbing the documentation and website gaps that 3.2.1 started on.
TAF
0.0ANALYTICS
TAF keeps turning ICES stock assessments into reproducible, dependency-pinned projects.
◆ Current state
TAF is the R tooling behind the ICES Transparent Assessment Framework, which standardizes how fish stock assessments are laid out, sourced and rerun. The 4.3.0 release is the largest in years, adding roughly ten functions covering dependency installation and analysis, software version checks, directory inspection and README drafting. The package has carried zero non-base dependencies since 4.0.0, and the new work is careful not to break that.
◆ Where it's heading
The arc runs from analysis runner to project toolkit. Early 3.x releases built out the bootstrap and metadata machinery; 4.0.0 renamed the package and stripped every external dependency; 4.2.0 cleaned up vocabulary that confused users. 4.3.0 turns outward to the people running assessments — install.deps(), pdeps() and check.software() address reproducing someone else's environment, while draft.readme(), taf.example() and dir.tree() address understanding an unfamiliar project.
◆ Prediction
Expect the follow-up work to harden the new dependency functions rather than add more surface, since 4.3.1 arrived immediately to fix wide2long() compatibility with older R and that batch of ten functions has had little field exposure.
Alternatives to mizer and TAF
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 mizer or TAF.
geodist
geodist stays dependency-free and fast, and warns you when 'cheap' distances stop being honest.
errors
errors keeps making uncertainty print the way each scientific field expects.
CMAQ
CMAQ went global in v5.5, and has been patching that surface ever since.
enpls
enpls has not changed its statistics since 2016 — only its website, twice.
grex
grex is a lookup table with a version number — it ships when the annotation moves.
Recent activity from mizer and TAF
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 15d agomizerpkgdown index fix for a man page added after the 3.2.0 build
- 25d agomizerParameter assignment rebuilds derived rates; extensions compose in any load order
- 1mo agomizerOpt-in second-order accurate scheme in the size variable
- 2mo agomizerDiffusion enters the McKendrick-von Foerster equation, ending a two-year gap ⚡
- 10mo agoTAFTAF 4.3.1 reworks wide2long() for older R
- 10mo agoTAFTAF 4.3.0 adds dependency and project-scaffolding tooling
- 2y agomizerExternal encounter rate, and a split between given and calculated parameters
- 3y agoTAFTAF 4.2.0 renames 'bootstrap' to 'boot', keeps back-compat
- 3y agoTAFTAF 4.1.0 adds taf2html() and dot.case function aliases
- 3y agomizerw_inf renamed to w_max to separate maximum size from von Bertalanffy asymptotic size
- 5y agoTAFTAF 4.0.0 refocuses on ICES and drops every external dependency ⚡
- 5y agoTAFTAF 3.6.0 adds metadata tooling and drops the bibtex dependency
Frequently asked questions
What is the difference between mizer and TAF?
They serve adjacent needs but don't currently overlap on shipped themes. mizer is currently shipping more aggressively (velocity 5.0 vs 0.0), with 0 editorial sparks in the last 30 days against 0. See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is mizer better than TAF?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. mizer is currently shipping more aggressively (velocity 5.0 vs 0.0), with 0 editorial sparks in the last 30 days against 0. For your specific use case, the alternatives sections above list other Analytics products to evaluate alongside.
What are the best alternatives to mizer?
Top mizer alternatives in Analytics are ranked by recent ship velocity. Browse the "mizer alternatives" section above for the current picks, or visit /alternatives/mizer-r for the full list with editorial commentary on each.
What are the best alternatives to TAF?
Top TAF alternatives in Analytics are ranked by recent ship velocity. Browse the "TAF alternatives" section above for the current picks, or visit /alternatives/taf-r for the full list with editorial commentary on each.