← Back to home
Comparison · Infra & APIs

massProps vs ordinalsimr

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

massProps vs ordinalsimr: at a glance

FeaturemassPropsordinalsimr
SectorInfra & APIsInfra & APIs
Velocity score0.00.0
Sparks · 30d00
Top themessystems-engineering, mass-properties, uncertainty-propagation, documentationordinal-data, shiny, simulation, statistical-tests
Last editorial update5h ago1h ago
WebsiteVisit →Visit →

What is massProps?

A mass-properties rollup spends a year on documentation and follows its sibling's API

massProps computes mass, centre of mass and inertia tensors — and their uncertainties — over tree-structured assemblies, the calculation systems engineers run on a spacecraft or vehicle breakdown. It sits on top of rollupTree, the same author's generic recursive-computation engine, and its most recent release exists only to adopt accessor functions that sibling added two weeks earlier.

Read the full massProps trajectory →

What is ordinalsimr?

A Shiny app for choosing the right ordinal test reached CRAN in a single 90-minute burst of tags.

ordinalsimr compares ordinal endpoints by simulation — you specify probability distributions, sample sizes and iterations, and it runs the candidate statistical tests against them so you can see which behaves best. It is delivered as a Shiny application with a data-entry grid, and its entire release history spans six days in January 2025: three tags inside 90 minutes on the 20th, then a CRAN-compliance release on the 26th.

Read the full ordinalsimr trajectory →

massProps vs ordinalsimr: editorial side-by-side

M
massProps
INFRA · APIS
0.0

A mass-properties rollup spends a year on documentation and follows its sibling's API

◆ Current state

massProps computes mass, centre of mass and inertia tensors — and their uncertainties — over tree-structured assemblies, the calculation systems engineers run on a spacecraft or vehicle breakdown. It sits on top of rollupTree, the same author's generic recursive-computation engine, and its most recent release exists only to adopt accessor functions that sibling added two weeks earlier.

◆ Where it's heading

Every release in the window is documentation, benchmarks, or keeping in step with rollupTree. The inertia tensor and radius-of-gyration uncertainty equations have been reformatted and re-explained three separate times, which suggests the hard part of this package is not the computation but making the covariance treatment legible to the engineers meant to trust it. Development effort clearly sits in the engine underneath, not here.

◆ Prediction

The pattern is unambiguous: rollupTree ships an API change and massProps follows within a fortnight. Whatever the engine does next is what appears here next, and on this evidence it will arrive as a one-line release note.

O
ordinalsimr
INFRA · APIS
0.0

A Shiny app for choosing the right ordinal test reached CRAN in a single 90-minute burst of tags.

◆ Current state

ordinalsimr compares ordinal endpoints by simulation — you specify probability distributions, sample sizes and iterations, and it runs the candidate statistical tests against them so you can see which behaves best. It is delivered as a Shiny application with a data-entry grid, and its entire release history spans six days in January 2025: three tags inside 90 minutes on the 20th, then a CRAN-compliance release on the 26th.

◆ Where it's heading

The release bodies are auto-generated pull-request lists covering the repository's whole history, so they read as a build log rather than a changelog: data entry UI, an rhandsontable statistics module, iteration and sample-size modules, binomial confidence intervals, plot tests, and a rename to the current package name late in development. What that log shows is a single-author project built to completion privately and then published all at once, with the public version history existing mainly to satisfy CRAN.

◆ Prediction

With the CRAN submission accepted and no post-release entries in the feed, the next move is most likely a maintenance release; the PR log gives no signal of planned work beyond the tests already implemented.

Alternatives to massProps and ordinalsimr

Other Infra & APIs 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 massProps or ordinalsimr.

See all massProps alternatives → · See all ordinalsimr alternatives →

Recent activity from massProps and ordinalsimr

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

  1. 6mo agomassPropsSwitched to rollupTree's new row accessors
  2. 6mo agomassPropsError in the inertia tensor uncertainty documentation
  3. 1y agomassPropsBenchmark results and equation layout cleaned up
  4. 1y agomassPropsCombine functions given consistent formal parameters
  5. 1y agomassPropsExamples shrunk to fit CRAN runtime limits
  6. 1y agoordinalsimrv0.1.3 CRAN submission
  7. 1y agoordinalsimrOrdinal endpoint simulator submitted to CRAN
  8. 1y agoordinalsimrREADME refreshed and DOI added to the citation file
  9. 1y agoordinalsimrDevelopment tag ahead of the CRAN submission

Frequently asked questions

What is the difference between massProps and ordinalsimr?

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

Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. massProps and ordinalsimr 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 Infra & APIs products to evaluate alongside.

What are the best alternatives to massProps?

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

What are the best alternatives to ordinalsimr?

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