compositional.mle
An MLE package rebuilt around composable solvers, then renamed to match.
Comparison · Analytics
INBOmd vs nabla
A side-by-side editorial comparison of INBOmd and nabla — release velocity, themes, recent moves, and the top alternatives to consider.
INBOmd vs nabla: at a glance
What is INBOmd?
Institutional report templates where a missing metadata field watermarks the whole document.
INBOmd supplies R Markdown output formats — PDF, gitbook, EPUB — carrying the house style and colophon requirements of INBO, the Flemish nature and forest research institute. Its distinguishing design decision is enforcement by embarrassment: an incomplete colophon stamps a watermark across every page until the required fields are filled in. Recent releases are small corrections, with the substantive template work sitting several years back.
What is nabla?
nabla dropped its C++ engine to chase exact derivatives at any order.
nabla does forward-mode automatic differentiation in R using dual numbers, returning derivatives exact to machine precision rather than approximated by finite differences. It shipped as dualr in January 2026, then a day later released 0.5.0 under a changed identity: derivatives generalise from a hardcoded second order to arbitrary order through recursive nesting, and the Rcpp and C++ fast paths are deleted so the package is pure R. The current release, 0.7.1, is CRAN resubmission cleanup.
INBOmd vs nabla: editorial side-by-side
INBOmd
0.0ANALYTICS
Institutional report templates where a missing metadata field watermarks the whole document.
◆ Current state
INBOmd supplies R Markdown output formats — PDF, gitbook, EPUB — carrying the house style and colophon requirements of INBO, the Flemish nature and forest research institute. Its distinguishing design decision is enforcement by embarrassment: an incomplete colophon stamps a watermark across every page until the required fields are filled in. Recent releases are small corrections, with the substantive template work sitting several years back.
◆ Where it's heading
The package has settled into maintenance around a stable feature set, with recent activity split between watermark and colophon edge cases and keeping in step with its siblings — it picked up the new citeme dependency within days of checklist splitting that package out. The open work is the long tail of citation rendering across three output formats, where subtitles, colophon fields and DOIs each surface separately. Nothing here suggests new output formats are planned.
◆ Prediction
Expect continued small fixes to colophon and citation rendering across the three output formats, and dependency updates tracking the checklist and citeme packages it sits alongside.
nabla
0.0ANALYTICS
nabla dropped its C++ engine to chase exact derivatives at any order.
◆ Current state
nabla does forward-mode automatic differentiation in R using dual numbers, returning derivatives exact to machine precision rather than approximated by finite differences. It shipped as dualr in January 2026, then a day later released 0.5.0 under a changed identity: derivatives generalise from a hardcoded second order to arbitrary order through recursive nesting, and the Rcpp and C++ fast paths are deleted so the package is pure R. The current release, 0.7.1, is CRAN resubmission cleanup.
◆ Where it's heading
The 0.5.0 release note states the positioning explicitly: exact machine-precision derivatives at any order, not speed. Removing compiled code to make that claim coherent is an unusual direction, most numerical R packages move the other way, and it commits the package to a niche where correctness beats throughput. The old second-order API survives as deprecated thin wrappers, so the pivot was made without stranding early users. The rapid rename and version jump suggest identity was settled late.
◆ Prediction
Expect CRAN acceptance to be followed by work on the optimiser and MLE integration paths, where arbitrary-order derivatives have the clearest use.
Alternatives to INBOmd and nabla
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 INBOmd or nabla.
snowflakeauth
Eight months from first release to keyring caching and workload identity.
kwb.geosalz
A research-project workflow package where the interesting work is in the plumbing.
cyclocomp
A cyclomatic complexity checker that ships once every couple of years, and lands when it does.
revdbayes
Extreme value sampling in pure upkeep mode, mostly answering to Rcpp and CRAN.
lazyeval
A package retired in 2017 just got rewritten against R's public C API.
See all INBOmd alternatives → · See all nabla alternatives →
Recent activity from INBOmd and nabla
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 1mo agoINBOmdWatermark no longer prints NA when colophon fields are missing
- 1mo agoINBOmdDependency bump to the latest citeme and checklist
- 5mo agonablaCRAN resubmission cleanup after reviewer feedback
- 5mo agoINBOmdMissing subtitle restored in gitbook and EPUB colophon citations
- 6mo agonablaArbitrary-order exact derivatives arrive; compiled code removed ⚡
- 6mo agonablaFirst release as dualr: dual-number autodiff with MLE helpers
- 2y agoINBOmdpdf_report() requires pandoc 3.1.8 or later
- 2y agoINBOmdWatermarks and separate colophons for internal reports
- 3y agoINBOmdStructured author metadata required; interactive report helpers added
Frequently asked questions
What is the difference between INBOmd and nabla?
They serve adjacent needs but don't currently overlap on shipped themes. INBOmd and nabla 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 INBOmd better than nabla?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. INBOmd and nabla 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 INBOmd?
Top INBOmd alternatives in Analytics are ranked by recent ship velocity. Browse the "INBOmd alternatives" section above for the current picks, or visit /alternatives/inbomd for the full list with editorial commentary on each.
What are the best alternatives to nabla?
Top nabla alternatives in Analytics are ranked by recent ship velocity. Browse the "nabla alternatives" section above for the current picks, or visit /alternatives/nabla for the full list with editorial commentary on each.