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Comparison · Infra & APIs

CHNOSZ vs ordinalsimr

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

Shared themes:r-package

CHNOSZ vs ordinalsimr: at a glance

FeatureCHNOSZordinalsimr
SectorInfra & APIsInfra & APIs
Velocity score0.00.0
Sparks · 30d00
Top themesgeochemistry, thermodynamics, phase-diagrams, r-packageordinal-data, shiny, simulation, statistical-tests
Last editorial update2h ago1h ago
WebsiteVisit →Visit →

What is CHNOSZ?

A geochemistry thermodynamics engine that changed its units and its database schema in one release.

CHNOSZ computes thermodynamic properties and phase diagrams for geochemical systems, backed by OBIGT, its bundled thermodynamic database. It releases roughly once a year with a short highlights note pointing at a full changelog elsewhere. Since the 2.0.0 reset, work has been curation and communication: new species in OBIGT, a FAQ vignette, a rewritten introduction, and more readable diagram labels.

Read the full CHNOSZ 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 →

CHNOSZ vs ordinalsimr: editorial side-by-side

C
CHNOSZ
INFRA · APIS
0.0

A geochemistry thermodynamics engine that changed its units and its database schema in one release.

◆ Current state

CHNOSZ computes thermodynamic properties and phase diagrams for geochemical systems, backed by OBIGT, its bundled thermodynamic database. It releases roughly once a year with a short highlights note pointing at a full changelog elsewhere. Since the 2.0.0 reset, work has been curation and communication: new species in OBIGT, a FAQ vignette, a rewritten introduction, and more readable diagram labels.

◆ Where it's heading

2.0.0 was the structural break — Joules replacing calories as the default output of subcrt(), a required E_units column, a new model column, and the removal of a legacy scaling convention for heat-capacity coefficients. Everything since has built on that settled foundation rather than disturbing it. The direction of the last two releases is toward coverage of specific mineral systems, rare earths and uranyl among them, and toward making the package approachable, which suggests a maintainer courting new users rather than reworking the engine.

◆ Prediction

The next release most likely continues OBIGT curation for particular element systems plus vignette work; the highlights format gives no signal of engine-level changes pending.

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 CHNOSZ 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 CHNOSZ or ordinalsimr.

See all CHNOSZ alternatives → · See all ordinalsimr alternatives →

Recent activity from CHNOSZ and ordinalsimr

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

  1. 1y agoCHNOSZOBIGT gains rare earth and uranyl species; intro vignette rewritten
  2. 1y agoordinalsimrv0.1.3 CRAN submission
  3. 1y agoordinalsimrOrdinal endpoint simulator submitted to CRAN
  4. 1y agoordinalsimrREADME refreshed and DOI added to the citation file
  5. 1y agoordinalsimrDevelopment tag ahead of the CRAN submission
  6. 2y agoCHNOSZMosaic diagrams accept grouped basis species as variables
  7. 3y agoCHNOSZJoules become the default and the OBIGT schema is rebuilt

Frequently asked questions

What is the difference between CHNOSZ and ordinalsimr?

Both compete on the same themes — r-package — within Infra & APIs. CHNOSZ 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 CHNOSZ better than ordinalsimr?

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

Top CHNOSZ alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "CHNOSZ alternatives" section above for the current picks, or visit /alternatives/chnosz 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.